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GSK983M User Manual 1 Version 4

1. 100 100 100 The feedrate of a block is specified G31 with No 306 SKPF parameter in the following two ways a Feedrate is specified with F codes may be specified in the foregoing blocks or G31 block b No 342 parameter is set by No 342 parameter The coordinates when skip signal is switched on are stored in the system variables 5061 to 5065 of the user macro Therefore they may be used in macros FOUG Tirreniar rits X coordinates HOUGZ ss aion reuris Y coordinates 9003 oriekin tewens Z coordinates F004 euhicuaseceis vides The 4 coordinates HOGS ocd dacaedinkededenddnd ent The 5 coordinates The skip function may be used to the situation with unknown travel Therefore it is applicable in the following conditions a For the standard dimension feed of the milling machine b To enable tool contact pick off to measure Note 1 Once G31 instruction is performed in the active state of tool compensation C No 035 alarm 64 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming will be given Tool compensation shall be canceled with G40 before G31 instruction Note 2 If the feedrate instructed by G31 is related to the speed set by parameter it will have a bearing upon parameter setting in no load operation Note 3 If the feedrate instructed by G31 is related to the speed set by parameter the automatic acceleration deceleration will be invalid In this way the accuracy of autom
2. 0318 PRG9 0319 PRG8 Here PRG8 1 corresponds to the user macros and subprograms of program numbers 8000 8999 while PRG9 1 to those of 9000 9899 Recording clearance and edition are not allowed However clearance of all blocks and output of single programs can be carried out upon tenderization Indication of the program numbers other than EDIT mode As a rule the called programs will be displayed when calling a user macro and a subprogram The following setting may be used to maintain the foregoing programs 0318 MPD9 0319 MPD8 MPD8 1 corresponds to the user macros and subprograms of program numbers 8000 8999 while MPD9 1 to those of 9000 9899 These programs are not displayed in the PROGRAM page for the modes other than EDIT Reset When reset function is used for clearance all local variables and public variables 100 to 149 are in lt Empty gt mode and system variables 10000 through 1132 cannot be cleared 188 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The calling mode of user macro and subprogram as well as the state of DO will be cleared and the main program be returned to in the cases other than the clearance in MDI mode For the clearance in MDI mode only the calling state in MDI mode is cleared 8 Macro statements and NC statements The following blocks indicate the statemen
3. ISO codes ISO840 and EIA codes EIA RS 244 A can be used for program code The identification of ISO codes and EIA codes may be performed automatically Rapid traverse override GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The automatic or manual rapid traverse speed can be set in 4 levels i e FO 25 50 and 100 and FO is likely to be set to a specific speed by parameters Return to reference point A Return to reference point A consists the following procedures 1 Manual return to the reference point 2 Examination of the return to the reference point G27 3 Automatic return to the reference point G28 Return to reference point B Return to the 3 and 4 reference points Besides the functions of returning to reference point A the return to reference point B also includes the return to the oe reference point G30 It is possible to set the 3 and 4 reference points by setting their distances from the 1 reference point and return to these reference points Storage travel limits 1 and 2 For storage travel limit 1 the area beyond those set by parameters are exclusion areas For storage travel limit 2 the inside or outside of the area specified by parameters or programs are exclusion areas The validity or invalidity of storage travel limit 2 is set by G codes G22 Valid G23 Invalid Memory type pitch error compensation The selection of
4. Le m Programmed path a era S va N Path of tool center For the program for an arc feedrate is regulated from point a to point b and from point c to point d Amount of adjustment 36 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Amount of adjustment is set by No 335 parameter 1 lt amount of adjustment 1 each step lt 100 This is effective for commissioning and F1 digit instruction For F4 digit instruction the actual feedrate will become Fx inner angle adjustment x feedrate adjustment Whether inner angle adjustment is effective Whether to adjust an inner angle or not may be selected with G codes The inclusion of G62 in the group 15 in which G61 and G64 are is as shown in the table below These G codes are related to accurate stop checking mode Accurate stop detecting mode Inner angle adjustment Valid Invalid Invalid Valid Invalid Invalid Note 1 It is in G64 mode when powered on or cleared Note 2 It is necessary to specify GO9 when you plan to perform accurate stop detection in G62 mode Note 3 The switch of inner arc cutting feedrate is always valid as described in Section 4 7 2 and is not subject to the influence of G codes 3 4 7 2 Switch of inner arc cutting feedrate For inner arc offset cutting the feedrate of programmed path shall be specified by F codes while its actual feedrate FxRc Rp where Rc is the radi
5. It is subject to error in judgment less than 0 001 provided that 6 is nearly equal to OP Operation range When an angle is determined as an inner angle feedrate is regulated from the range specified by the LO in the block on one side of the intersection point of the angle to the range specified by the Ls in the block one the other side of the intersection point Ls and LO are the straight distances from one point on the path of the tool center to the intersection point L 9 and Ls are 35 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming set by different parameters NO 355 and 356 m programmed Uo i a ol conte a ah te path of 0 ane he oe w Feedrate is regulated in the range from point a to point b Feedrate is regulated within the range from Point a to Point b For an arc the adjustment function is effective for the end point of a block provided that the following requirements are fulfilled Within the range of LO The origin and end point of the arc are in the same quadrant or the origin is in the quadrant adjacent to the one in which the end point is Similarly the adjustment of the origin of the block is effective when the following conditions are met Within the range of Ls The origin and end point of the arc are in the same quadrant or the origin is in the quadrant adjacent to the one in which the end point is Example For a disc
6. Macro call instruction G65 P9300X Intermediate point Y Intermediate point Z Intermediate point The macro body is developed as follows 0 9300 1 5001 2 5002 158 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 10 3 5003 G00 Z 26 X 24 Y 25 G04 Stop travel because of reading 5021 5023 G91 X XP 5021 Y yp 5022 Z ZP 5023 Treatment X 24 Y 25 Z 26 X 1 Y 2 ZH3 M99 The setting and display of variable names The names consisting of up to 8 characters may be assigned to variables 500 to 511 through the following instructions SETVNn a10p Og Bi Ba e ee Bearsden n is a starting number of the variable numbers with names O14 Uesugi dg are the names of variable number n Bi Ba eeeee Bs are the names of variable number n 1 the same applies below All character strings are separated by All characters except NOTE END NOTE START EOB EOR colon for program number can be used for valid messages Variable names will not be cleared after power off LCD displays in the sequence of NO NAME and DATA Note Since the function is not available for some devices 510 and 511 may not be used Example 10 3 8 SETVN 500 ABCDEFGH COUNTER POINTER VAL 06 01234 N3456 NAME DATA ABCDEFGH 1234 5678 COUNTER 00020 000 POINTER bi 0000 4025 gnd 00004 500 124000 00 START T
7. TOOL LIFF GRP 001 LIFE 0034 0078 0090 0076 0054 0010 0077 service 0066 002 LIFE 0011 0022 0155 0066 Service life 01 00001 N0012 SELECTED GRP 001 9800 COUNT 6501 Life counter 0012 0056 0032 0098 The tools in Group 1 The tool whose life 0099 0087 has come to an end 0055 0024 a The tool in 0500 COUNT 0112 The skipped tool 0201 0144 The tool number in 0176 0188 Group 2 0019 0234 0156 0090 GRP TO BE 003 006 012 Two groups of data are displayed on each page Pressing the page turning button 0007 0112 0016 CHANGED 013 The tool group number to be changed displays all data groups in sequence Tool change signal may be given to up to 5 groups which are displayed at the bottom of each page For 6 or more groups an arrow will be indicated in the diagram To review the data select address N enter the group number and press the or pressure press the CURSOR and to display its data 3 11 4 3 Presetting tool life counter INPUT button button to move the cursor to the GRP of the next group To modify the tool life counter select the MDI mode Il P and press the INPU T button Now the group counter that is identified by the cursor is preset while other data in the group remains unchanged Il Type in P 9999 and press t
8. eee cececeseseteessseeeseeeseeeeeeceesesenenenensnensnseseseseaeaeeeeeeeeeeees 74 3 6 3 2 Oftset D COdES nies on er attests uae ns E E REAR ARRAT 74 3 6 3 3 ONSET VECIORec chds Bocas anh Ole See sn ee a 75 3 6 3 4 Plane Selection and VECtON 0 cee ceeceseseseeseseseesescsescsesesececsescsaescsececaeseacscseceeaeeeeateceeeeeaeeetatees 75 3 6 3 5 G40 G4 T and G42 secre adie din tated Re eee AAA OR eat aon Bas 75 3 6 3 6 Details about tool radius COMPENSATION Co cee ccccccececeseeeeeeeseseseneneecseseeseseseseseaeseseeeeeees 77 3 6 4 D and H functions ooo cceeeeeeseeceseseseseseseseseseseseseseseseseseacsesenensnesssenensnascaeaeaceescaeseseeseececseseseneaens 109 3 0 5 Externaltool offs etenee ne a a Avie anes E E E R dees 110 3 6 6 To input offset through program G10 cece esesescsesesesesesessssscenseseseseseaeseseseeeneeseseeeeesesenenees 110 3 0 7 Zooming function G50 G9 serrn nni ese a R O T R RRE R 110 3 7 Cycle Machining Function seeseesossessoesoessesoossesoossessossossoesoessesoossessossoseossocssssoossessossessossossosso 113 3 7 1 External Moving FUNCTION nenien naei a a a A a i 113 3 7 2 Fixed cycles G73 G74 G76 and G80 G89 eeccccccseseeeeeeeeeeseseseseseseseseseeenseseeceeseseeesenens 114 3 7 2 1 Repeating a fixed cycle oo eee ceccccessseseseseseseseseseseseseseseeeeecececeesesesenensnsssssucnseacseseasieseeeeets 126 3 7 3 Specifying an origin and Point R in a fixed cycle G98 G99 eeeceeeeeseeeeeeseee
9. on turn The following requirements are made through parameter setting 314 IM15 When IM15 1 i Axis B instruction shall be always considered as absolute instruction regardless the G90 or G91 mode ii The rotating direction is positive iii When M15 is pacified in the same block as the Axis B instruction the rotating direction is negative AAT 45 ae ia Xar B45 BSISND Note Though M15 is processed inside the NC FIN signal returns to the NC because MF and M codes are sent to the machine side During the movement of Axis B Feedrate reset and emergent stop are valid Proper workpiece shall be done on the machine side in order to prevent stop in midway When the option is adopted the additional axis servo ON signal 8VF4 will become invalid 206 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 6 Standard additional axis still applies to the requirements parameters and inter unit connection that are not described in the instruction manual 207 I HS 1S SERA oI GSK CNC EQUIPMENT CO LTD Add No 52 1 Street Luochong North Road Luochongwei Guangzhou 510165 China Website http Awww gsk com cn E mail gsk qsk com cn Tel 86 20 81796410 81797922 Fax 86 20 81993683 All specification and designs are subject to change without notice Aug 2007 Edition 4 Aug 2007 Printing 4
10. J fp Y I Ju I Js Exclusion area outside Exclusion area inside Storage travel limit 1 The outside of the boundary set by parameter is an exclusion area As a rule it shall not change once it is set by manufacturer Therefore it is set at the maximum travel of the machine and is equivalent to the current so called software limit 60 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Storage travel limit 2 The outside or inside of the boundary set by parameter or instruction is an exclusion area Whether it is inside or outside is determined by parameter No 009 BIT6 RWL G22 instruction is used to stop the tool from entering the exclusion area and G23 to cancel the restriction The instruction below is used to establish or change an exclusion area G22 X Y Z J K I J K X gt 1 Y gt J Z gt K X 1 gt 2000 Minimum instruction increment Y J gt 2000 Minimum instruction increment Z K gt 2000 Minimum instruction increment The points A and B in the figure below shall be involved during parameter setting Ati Yi Zi B X2 Y2 Z2 X1 gt Xo Y1 gt Y2 Z1 gt Z2 X1 X2 gt 2000 Minimum instruction increment Y1 Y2 gt 2000 Minimum instruction increment Z1 Z2 gt 2000 Minimum instruction increment If the exclusion area is set by parameter X Y Z J and K shall be set by the minimum travel unit input unit of t
11. N25 2200 0 MOO N26 X100 0 MO3 N27 G04 X2 0 N28 G33 Z120 0 F5 0 f Notes N20 N21 To locate the tool at the center of the hole and to clockwise CW rotate the spindle N22 To perform thread cutting for the first time with screw pitch specified by address F N23 M19 orders the spindle to stop in a fixed position on the circumference M19 Spindle stops in a fixed position N24 To withdraw the cutting tool in the direction of axis X N25 To move the cutting tool above the hole MOO orders the program to stop and allows operator to adjust the tool for the thread cutting for the second time N26 To align the cutting tool with the center of the hole and to start forward rotation of the spindle N27 When the travel instruction in the N26 block is relatively short it is necessary to add another dwell instruction so that the spindle has adequate time to reach the rated rotational speed N28 To perform thread cutting for the second time 3 5 8 Automatic return to reference point reference positions G27 G30 3 5 8 1 Check of return to reference point G27 A point fixed on a machined plane is called reference point reference position Once a tool is manually returned to a reference point it is positioned at the point G27 instruction function is used to check that the tool is positioned at the reference point G27a B a B are selected from address X Y and Z and additional axes A B C U V and W The instruction
12. numbers 309 GST1 GST2 In any type of combination up to 256 tools can be saved At most 16 groups can be selected for group each group having 16 tools Group may have 32 groups at most and each group may have 8 tools and so on A type of combination may be changed by modifying its parameters and then switching off and on the power supply Group No 16 32 64 Note 3 H codes and D codes can be omitted when they are not to be used 197 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 4 The same tool number may appear for many times or appear in any position in set data The following is an example of program format 00001 G10L3 P001 L0150 T0011 H02 D13 T0132 H05 D08 Data of No 1 group T0068 H14 D16 P002 L1400 T0061 H15 DO7 T0241 H25 D04 Data of No 2 group T0134 H17 DO3 T0074 H08 D21 P003 L0700 T0012 H14 D08 Data of No 3 group T0202 H22 D02 G11 M02 Note 5 The tool group numbers specified by P are not necessarily continuous and all savable tool groups need not to be set 3 11 2 Setting in machining processes Tool groups are set by T codes as follows in machining processes 198 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming To use tool group number tool life administration invalidation number Note 1 at the beginning of the next MO6 instruction The tools specifi
13. 3 8 SIN 1 X 101 Y 102 100 100 1 Hole count plus 1 5 2 5 2 1 179 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming IF 5 2 LEO GOTO 9002 Repeat for k times END2 N9002 5 5 3 Move to the next assignment END1 N9001 101 2 Return to the reference point 102 3 M99 3 10 7 2 Modal calling When executing the following instruction the macro calling mode may be instructed During the execution of macro calling mode calling the specified macro each time executes a move instruction G66P Program number L Number of repetitions lt Independent variable assignment gt lt Independent variable assignment gt is equivalent to the condition of simple calling Macro calling mode will be cleared when the following instruction is executed G67 Note In G66 block G66 shall be instructed before all independent variables The addresses for lt Independent variable assignment gt may use minus sign and decimal point Example 10 7 4 Drilling cycle Drilling cycle is performed at all locating points Miscellaneous x motion _function Y motion i Program direction i Dwell Dwell G66 P9082 R Point R X Point Z X Dwell time X 3 M Y Some move block performs drilling cycle within the area G67 The macro is as follows for incremental programming 180 GSK983M Milling CNC System Operation Manual Volume l Specifications and Program
14. B_A D J_I___ _ False The coincidence relation between the addresses assigned to variable assignment and the variable number in macro body is as follows Addresses of independent variable The variables in macro body assignment 1 2 3 7 8 9 4 5 6 A B C D E F H J K M Q R S T U V W X Y Z 2 Independent variable assignment II A_ _B_C_I_J K_IJ_K Besides that independent variable may be assigned to addresses A B and C up to ten groups of independent variables can be specified with addresses J and K When several numerical values need to be assigned to the same address they shall be assigned in the specified sequence Unnecessary addresses may be omitted The addresses allocated as per independent variable assignment Il correspond to the 174 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming variable numbers of macro as follows Addresses of independent assignment Variables in macro 1 The subscripts 1 to 10 of J and K indicate the order of the assigned group 3 Concurrently existing independent variable assignments and II Alarm will not be given even the independent variables of assignments and II are within the same block with G65 instruction 175 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programmin
15. Boring cycle Boring cycle reverse Cutting feed Hold spindle stop Manual operation of rapid running Boring cycle Cutting feed Hold Cutting feed Boring cycle Note 1 Whether the signal SRV SSP fixed cycle I output by NC or M codes fixed cycle II is used 114 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming to control the reverse rotation and stop of spindle is determined by parameter No 009 BIT7 FIX2 Note 2 In G87 mode different operations are performed for fixed cycle and Il A fixed cycle normally consists of the following six operations 1 Positioning of axes X and Y 2 Rapidly moving to Point R Operations 3 Drilling 4 Performing relevant operations at hole bottom 5 Returning to Point R 6 Rapidly moving to initial point Operation 1 Z eae D a Initial point Operation 2 Operation 6 Point R Operation 3 Operation 5 i l Point Z JAA l Ce ee ee Quick feed Operation 4 Cutting feed Positioning is performed on XY plane and drilling is conducted in the direction of axis Z Drilling in other planes or axial directions is not allowed This is independent of plane selection G instruction These fixed cycles are specified in three modes with each specified by a special modal G code G90 Absolute Data type G91 Incremental G98 Initial point plane P
16. Execute the operation of 2 1 2 1 67654 321 The above numerical value cannot be achieved Since a macro has only a decimal 8 bit precision the precision of 1and 2 numerical values is degraded and approximates 1 9876543200000 000 2 9876543300000 000 Strictly speaking the above value differs from internal value because they are binary 2 1 100000 000 Causing a bigger error Logic operation EQ NE GT LT GE and LE are basically equivalent to add subtract operation Hence note the error and make sure that the 1 and 2 are equal in the above example For instance IF IEQ 2 always fails to make correct judgment If IF ABS 1 2 LT50000 is used to make error judgment 1and 2 are considered equal when the difference between 1and 2 falls within its error range Trigonometric function Absolute may be well guaranteed in trigonometric functions Since they are not below 10 note the conditions of multiplication and division after an operation of trigonometric function 3 10 5 Control instruction The control of a program is achieved by using the following instructions 3 10 5 1 Branch GOTO IF lt Conditions gt GOTOn If lt Conditions gt is satisfied the next operation will go to the block with a sequence number n in the program The sequence number n may be substituted by a variable or lt Formula gt If the condition is not satisfied it will continue to execute the next block IF lt Condition
17. If G29 is instructed in offset mode the offset will be cancelled at the intermediate point and then automatically restored in the next block To directly instruct G29 after G28 94 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 28 Intermediate point Goo Fr ae AAA N 5 Reference point The situations rather than that G29 is directly instructed after G28 c29 Intermediate zone G42 We ae N a a ON ie DN ai w 7 The instruction for temporary cancellation of an offset vector In the offset mode offset vector shall be cancelled and then it will be automatically restored if G92 absolute zero programming In this case offset cancellation will not be performed The tool directly moves to the point that is specified to cancel its offset vector from the intersection point and directly moves to the intersection point when the offset mode is restored Path of tool S Intermediate point nose center Intermediate point rs j n F x N f A E i oe i NG Fp N5 Se ey N boy Block N7 of G92 G41 mode N5 G01 X3000 Y7000 N6 X 3000 Y6000 N7 G92 X1000 Y2000 N8 G01 X4000 Y 8000 Note SS indicates the points at which tool stops twice in single block mode 8 The blocks without tool movement The following blocks are free from tool movement The tool does not move even tool radius compensation is valid in these blocks 95 GSK983M Millin
18. N10 G01 Z 25 0 E N11 G04 P2000 preria saidia a N12 G00 257 0 HOO ELET S 4d N13 X 200 0 Y 60 0 aeaiateeiay ae E Note 1 When offset is changed due to the change of the offset number the new offset will not be added to the original offset HOT rs Offset 20 0 HO2 cas Offset 30 0 G90 G43 2100 0 HO01 Z will hit 120 0 G90 G43 2100 0 HO02 Z will hit 130 0 Note 2 D codes cannot be used for tool length compensation Other axes except axis Z may employ tool length compensation Which axis will be added with tool length compensation is instructed with axis address a in the same block with G43 and G44 G43 a_H_ a any axis G44 Tool length compensation can only be added to an axis at one time Therefore the system gives an alarm in the following instructions To switch an axis for tool length compensation it is necessary to cancel the one off tool length compensation G43 Z_H_ G43 X__H_ Alarm 3 6 2 Tool offset G45 G48 The moving distance of the specified axis may be zoomed in or zoomed out by the numerical values set in the offset storage through instructions G45 G48 G codes and their functions are listed in Table 6 2 67 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Table 6 2 Tool offset and G codes G codes Function G45 To zoom in an offset G46 To zoom out an offset G47 To zoom in an offset by twice G48 To zoom out an offset by
19. ccc asiese cag tees nS ne es eS 55 3 5 10 Accurate Stop detection G09 cccsssssssssesesesesesescsesesesenessnsssnsnsnseseseseseaeaeseseeesesesceeeeseseaenees 56 3 5 11 Accurate stop detecting mode G61 and cutting Mode G64 oo cece eeeeeseeeeeeeeenenens 56 3 5 12 Coordinate system Setting G92 ccc cccssesesesesesesesesesesesenssesesensnsseseseseseseaeeeseeescseeeeeseseneaees 56 3 5 13 Workpiece coordinate system G54 G59 occ ccseseseeeeeseseseseseseseseseaeseeeeeeeeseseeeeeseseaeaees 57 3 5 14 To change workpiece coordinate system by program instruction ee eeeeeeseeeeeeeeeeerees 59 3 5 15 Automatic setting of a Coordinate system occ ccesesenetseeseseseseseseseseseeeeeeeeeseseseeeeeseseseaens 59 3 5 16 To switch between Inch and metric systems G20 G21 eceseseseteteteteteeeeeeeeeeeeeesenenens 59 3 5 17 Storage travel limit G22 G23 uron ne ren n R ERREA R RE R RE DERI RER 60 3 5 18 Skip tunction G31 arsane aa E E E E A EE 63 3 0 COMPENSATION sss rinsar noe roes i sare s ero Rar LE sea E aos oap s Ses oses E DEE TI iets 65 3 6 1 Tool length compensation G43 G44 G49 cccccscseenenseseseseseseseseseseaeeeeeseeeseeeeeeeseseneaees 65 3 6 2 Tool offset G45 G48 oo cceceseeesesesesesesesesesesesceeeeeececsesesenensnsnenensnsseaeaeaeaeaeseseeeesesceceeseeeseaees 67 3 6 3 Tool radius Compensation G40 G42 occ ccccccccesesesesesesesenenenesenesnseseseseaeaeseseeeeeeseeeeeeeseseaeaees 74 3 6 3 1 Tool radius COMPENSATION FUNCTION
20. execution but G65 block not 4 G65 may change the level of a local variable but M98 cannot That is to say the 1 specified before G65 is different from the 1 in a macro The 1 specified before M98 is identical to the 1 in a calling subprogram 5 It is possible to call a nesting for 4 times when G65 is combined with G66 M98 can also call for 4 times when Macro A or B is selected 6 During automatic operation M98 can achieve 4 calls at most in TAPE mode or MEMORY mode when an operation is inserted through MDI One or two codes may achieve 4 calls in MDI mode G65 can achieve up to 4 calls in all modes 3 10 7 11 The nesting and local variables of user macro When G65 G66 and G codes are used to call a macro the nesting degree level of its macro increases by 1 and the level of its local variable also increases by 1 The relationship between macro calling and local variable is as follows Macroprogram Macroprogram Macroprogram Macroprogram Main program Level 1 Level 2 Level 3 Level 4 A0 A0 l J 0 A0 G65P Ko cesP Ko c65P G65P K M99 M99 M99 M99 Local variables 186 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Level 0 Level 1 Level 2 Level 3 Level 4 1 1 1 1 1 33 33 33 33 33 Note that local variables Level 0 1 to 33 are provided in a main program When a macro Level 1 is called b
21. 0 0001inch r 50 0000inch r inch F1 F 60000 l l Both the feed per minute and synchronous feed at specific feedrate are Restraining restrained The restraining value is set by manufacturer only the feedrate with value override is restrained The override from 0 to 200 10 each step is effective for both feed per Override minute or synchronous feed A restraining value is set in mm min or inch min Synchronous speed is converted to mm min or inch min with the following formula fm frxR Where fm the feed per minute in mm min or inch min fr the synchronous feedrate in mm r or inch r R the rotational speed of the spindle in r min Both G94 and G95 are modal Once they are specified they will be effective until other G codes appear The spindle shall be provided with a synchronous feed position coder When the rotational speed of the position coder is as low as 1 rpm the feedrate will become irregular The irregularity has no impact on the machining of the machine Therefore it is still usable when the rotational speed is as low as 1 rpm However the degree of irregularity must not worsen more as the further reduction in rotational speed is subject to deterioration F1 digit feed Specifying a digit 1 9 behind F sets the feedrate of the corresponding number Feedrate is preset for each number using parameter Specify FO as the rapid traverse speed and set the F1 digit feedrate switch on the machine panel
22. 40 is instructed with address I J and K 93 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Programmed path Path of tool nose center veq2 64y NSS _ G42 ah a E N5 GO1 G91 X5000 Y 7000 Pi PZ N6 G41 G02 1 5000 N7 G42 GOL X5000 Y7000 In the above situation the tool center path does not go around the circle for one turn but only makes arc motion along P1 P2 Its cause will be described in the alarm caused by interference verification If you want the tool to make movement along the full circumference make sure to instruct the circumference by sections 6 The cancellation of temporary offset and execution of the following instructions in offset mode cancellation of temporary offset will be triggered Then the system will be automatically restored to offset mode Refer to Section 6 3 6 4 Offset cancellation and Section 6 3 6 2 Start up for the details of the above operations a G28 Automatic return to reference point If G28 is instructed in offset mode offset will be cancelled at the intermediate point When the reference point is reached the offset mode will be automatically restored If offset vector is maintained at the intermediate point the NC will zero the vector of all axes returned to reference point Intermediate point Pn ies a s A S ha G42600 Go0 S S Reference point b G29 Automatic return from reference point
23. Constant surface speed control is designated to axis Y PS ataitieche ee Constant surface speed control is designated to axis Z PAB is aus Sevag es Constant surface speed control is designated to the 4 axis Prisegu magaan Constant surface speed control is designated to 5 axis For PO or that no axis is specified the present concerned axis is predetermined by No 315 parameter Note 1 To set an axis for constant surface speed control by programming make sure to specify Pa a 1 2 3 4 or5 Otherwise the axis set by parameter setting will be under control Whenever G96 is set again Pa must be always specified This is independent of whether G96 Pa is specified before that Note 2 The surface speed S in G96 is considered as S 0 until M03 or M04 is specified That is to say S function cannot be performed before specifying MO3 or M04 only when parameter TCW the 7 digit of No 010 parameter is 1 3 8 2 2 Spindle speed The specified surface speed or spindle speed may be overridden in 50 60 70 80 90 100 110 or 120 by the signal from the operation control panel of the machine 3 8 2 3 Restraint of maximum rotational speed of spindle During constant surface speed control the value in rpm following G92 specifies the maximum rotational speed of spindle G92 S 135 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming During constant surface speed control the system will automatical
24. G00 X _Y Z In this example axes X Y and Z move the tool to designated position in specified rapid traverse When the system selects the linked control function with additional axes not only addresses X Y and Z but also the addresses of additional axes may be instructed If they are instructed in this way 3 or 4 axes can move at the same time Example X500 0 Y300 0 225 0 B20 0 41 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 5 3 Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 3 5 4 Unidirectional positioning G60 For the accurate positioning without offset final positioning can be achieved in only one direction Origin Q End point o The direction for final positioning is from right to left The condition that replaces G00 with G60 is as follows G60 a S y 6 a B and y X Y and Z or additional axes A B C U V or W This is the case of concurrent control of 3 or 4 axes The situation of concurrent control of 2 or 3 axes includes the selection of one additional axis Overshoot and positioning direction are set by parameter The tool stops once before the end point even the positioning direction of instruction is identical with parameter setting Overshoot ie End point Dwell G60 is an one off valid G code Axis Z must not be positioned in a single direction in fixed drilling cycle The axis whose o
25. G21 the valid one is selected before powering off or pressing the RESET key Note 2 The G codes in group 00 are modal and are only valid in the blocks they belong to Note 3 When a G code not listed in the above table is specified or an optional G code not defined by control unit is specified NO 0 0 will give an alarm NO 0 0 But G38 and G39 are ignored Note 4 Some G codes may be specified in the same block even they do not belong to the same group When 2 or more G codes than belong to the same group are specified in a block the lastly specified G code will be valid Note 5 If any G code in group 01 in fixed cycle mode the fixed cycle will be automatically disabled and the system will be in G80 state However the G codes in group 01 are not subject to the influence of the G codes of fixed cycle Note 6 G70 and G71 replaces G20 and G21 special G codes by parameter No 008 BIT5 GSP setting Note 7 The G codes of all groups are displayed 3 5 1 Selection of planes G17 G18 G19 A plane is selected with the instruction for arc interpolation and tool compensation G17 XY plane G18 ZX plane G19 YZ plane Travel instruction is not related to the selection of planes G17 G18 G19 For example when G17Z is specified Z will move 40 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 5 2 Positioning G00 Using this code positions the tool at the poi
26. GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming r Radius a Starting angle of holes b Angle between holes k Number of holes In this way user may improve the performance of NC himself Macro bodies may be supplied by the manufacturer of machine or developed by user 3 10 2 Variables In macros variables are used to replace data of figures User may define any of their values in allowable range The application of macros enables them to more general and flexible When using some variables they are identified by signs 3 10 2 1 Indication of a variable As shown in Example 10 2 1 a variable consists of a followed by a variable number 1 i 1 2 3 4 Example 10 2 1 5 109 1005 The format below may also be usable in which figure is replaced with a formula lt Formula gt Example 10 2 2 100 1001 1 b 2 The variable i is replaced with lt formula gt hereinafter 3 10 2 2 Introduction of variables The values following addresses may be replaced by variables If a program is lt Address gt 1 or lt Address gt 1 it means that a variable value or its complement serves as the instruction value of its address Example 10 2 3 F 33 Assuming 33 1 5 it is similar to F1 5 Z 18 Assuming 18 20 0 it is similar to Z 20 0 G 130 Assuming 130 3 0 it is similar to G3 144 GSK983M Milling CNC System Operation Manual Volume l Specification
27. M99 09200 Z6000 3 1 Z7000 3 2 M99 Executing order the blocks without instruction are omitted Note Since 1 3 is not followed by macro calling mode modal macro is not called 3 10 7 5 Calling a macro with G codes A G code for calling macro may be set by parameter namely substituted by N G65 PAAAA lt Independent variable assignment gt The same motion may use the following simple instruction N__Gxx lt Independent variable assignment gt The correspondence between calling macro with G code xx and calling the program number AAAA may be set by parameter 182 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The program number A AAA for calling G code xx and calling macro is set in parameters Except G00 up to 10 of G01 to G255 can be selected to call macro These G codes cannot be specified through MDI panel like G65 instruction The G codes cannot be set in the macro calling instructions for G codes and used in the subprogram calling instructions with M codes Set the following parameters 0323 The G code for calling macro 9010 0324 The G code for calling macro 9011 0332 The G code for calling macro 9019 Example 10 7 7 Clockwise machining with G02 G02 Radius D Offset number 1 Set the following parameter Macro body 9010 calls G code 12 N Record the following macro body 09010
28. Milling CNC System Operation Manual Volume l Specifications and Programming yy G40 End point of G40 block LJ SEE Move from the tool center of G42 block to point X Programmed path G42 G42 mode G40 XXYYI J Note 5 Take note that in this situation the NC gets a intersection point of tool path independent of the specified machined inner wall or outer wall E we on al G40 pa e oe X ne agian r 7 Path of tool nose center OERE aa Programmed path SESS me T Note 6 When it is impossible to get an intersection point the tool reaches the position normal to the previous block path at the end of the previous block E a p 640 bea A S i mast Path oftool nose center 2 es aT Programmed path Note 7 When the length of the tool center path is bigger than the circumference 98 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Tool center path Bz O A Programmed path T Pe mB x G41 L A 7 N5 G01 G91 X10000 M o N6 G02 J 6000 i N7 G40 G01 X5000 j Y5000 I 100 J 100 In the above situation the tool center does not go around the circumference but the section of arc between P4 and P2 The alarm caused by interference verification is related to the following conditions If you want the tool to go around the circumference you need to instruct a circumference by sections 10 Corner movement When 2 or more vectors are g
29. N4 G03 X500 0 Y1150 0 I 600 0 J250 0 N5 G02 X900 0 1200 0 J150 0 N6 G03 X950 0 Y900 0 1250 0 JO N7 G01 X1150 0 O Q0G ODO N8 Y550 0 N9 X700 0 Y650 0 N10 X250 0 Y550 0 N11 G00 G40 X0 YO 3 6 3 6 Details about tool radius compensation C The tool radius compensation C is described in detail as follows 77 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 1 Cancellation mode The system will be in offset cancellation mode after power on reset or completion of the program by executing M02 and MO3 In cancellation mode the vector is always 0 and the tool center path coincides with the programmed path It shall be ended up by means of cancellation at the end of the program When the program ends in offset mode positioning the tool at the end point of the program cannot be performed and the position of the tool will offset from the end position by a vector Start up When a block satisfying all the following requirements is executed in cancellation mode the system will be in offset mode This block is called start up block a G41or G42 has been instructed and the system is in the state of G41 or G42 b Tool compensation number is not DOO c Axes other than axes I J and K even one axis is acceptable in the offset plane is allowable and their travel is not 0 In a start up block arc instructions G02 G03 shall not be used otherwise the NC
30. T codes to call a subprogram these T codes does not call a subprogram but are treated like common T codes when instructed Set the following parameter 0306 TMCR 3 10 7 9 The position of the decimal point of an independent variable Independent variable is usually specified with a decimal point If a decimal point is not specified the position of the decimal point is assumed as follows Addresses Input in mm Input in inch A C 3 B B 3 digit is not selected B B 3 digit is selected D H E F in G94 mode E F in G95 mode l J K M S T Q R AJOIAJAINJIOJOIO 185 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming U V W 3 2 4 X Y Z 3 2 4 The positions of the decimal point are calculated from the least significant bit for the numerical values listed in the above table The numerical values in indicate the number of the digits on the right side of the decimal point For addresses E and F parameter FMIC 1 For other addresses MIC 1 3 10 7 10 The difference between M98 calling a subprogram and G65 calling a macro body 1 G65 may contain an independent variable but M98 not 2 After executing an instruction other than M P or L in M98 block the use of M98 goes to a subprogram but G65 only transfers 3 When M98 block contains an address other than O N P and L a single block stops
31. T function Tool function is specified by the 2 or 4 digits after address T The relationship between T codes and the tool is set by the manufacturer of the machine 3 8 4 Miscellaneous function M function When 2 digits are set after address M a 2 digit BCD code and strobe signal will be sent out These signals are designed for the ON OFF control of the functions of the machine An M code may be set in a block When more than two M codes are concurrently set the last code will be valid The setting of M codes may vary depending on different manufacturers of machine The following M codes have special meanings 1 M02 M30 End of program i This indicates the end of the main program and is necessary for recording NC instructions in storage in communication mode ii Automatic operation stop and reset of NC unit It is different depending on manufacturers iii It will return to the starting point of program after the end of the program for M30 and return to the starting point for M02 2 MOO Program stops Automatic operation stops after the end of the block with MOO When the program stops all modal data remains unchanged as in the operations of a single block The cycle operation restarts by setting NC start up This may vary depending on different manufacturers 3 M01 Selection stops Just like MOO automatic operation stops after the end of the block with M01 The code is valid only when the SELECTION STOP switc
32. a running distance in a block using an incremental instruction G91 When using an absolute instruction G90 the end position of the cutting tool is indicated with a coordinates in the block X Kani In the above diagram the program will give the following position when an incremental instruction is employed G91 X 60 0 Y40 0 In the above diagram the program will give the following position when an absolute instruction is employed G90 X40 0 Y70 0 29 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The instruction mode of G90 G91 must not be changed for all addresses in a block so that the program can be compatible with other NC 3 4 Feed Function F function 3 4 1 Rapid traverse positioning function All axes of the machine operate at the specified rapid traverse speed during rapid traverse As a rule the rapid traverse speed has been set by manufacturer before shipment set by parameters RPDFX through RPDF4 Since all axes of the machine moves individually the times for all axes to move from their home positions to end positions are different For example when the rapid traverse speeds of axes X and Y reach 5m min and 8m min respectively and movement program is as follows G91 X200 0 Y200 0 The times for axes X and Y of the machine to run from the starting point to the end point are 24s and 15s respectively The locus of the cutting tool in the abov
33. at 6536ms Clock 2 will continue to increase provided that it is not predetermined Time cannot be correctly determined in the event that it goes beyond the maximum value 9544hr Example 10 3 3 Timing Macro call instruction G65 P9101T wait time ms The macro may be set as follows 09101 3001 0 Initial setting WHILE 3001 LE 20 D01 Wait for the set time END1 M99 Disable SINGLE BLOCK STOP and wait for end signal of miscellaneous functions When the following numerical value is assigned to the system variable 3003 SINGLE BLOCK STOP function will be disabled and the next block will be executed in advance 153 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming without waiting for the end signal FIN of miscellaneous functions M S T and B Distribution end signal DEN will not be sent without waiting for end signal Note that a miscellaneous function without waiting for end signal will be set after that Single block stop End signal of miscellaneous functions Not disable Disable Wait Wait Not disable Not wait Disable Not wait Example 10 3 4 Drilling cycle for increment programming is equivalent to G81 Macro call instruction G65 P9081L Number of repetitions R Point R Z Point Z The macro body is required as follows 09081 3003 1 G00 Z 18 G01 Z 26 G00Z ROUND 18 ROUND 26 3003 0 M99 S
34. function is not provided the block will cause an alarm Note 5 When M codes and a fixed cycle are specified in the same program M codes and MF signals will be sent out during the first positioning Operation 1 The machining of the next hole will be performed after receiving the signal FIN at the end of the cycle The M codes and MF signals are only sent out in the first cycle rather than the cycles that follow provided that the cycles are provided with L instruction for repeated operation Note 6 Tool offset instructions G45 G48 are ignored in the mode of fixed cycles Note 7 Tool length compensation Operation 2 in Fig 7 2 1 will be performed during the positioning of Point R if it G43 or G44 is instructed in the mode of fixed cycles Note 8 Cautions of operation a Reset When the control unit is stopped by pressing the RESET key of EMERGENT STOP bottom in a fixed cycle normally touring mode and touring data will remain unchanged Fully note this during restarting Touring mode and touring data may be cancelled by parameter No 007 BIT3 CLER o lt Single block When a fixed cycle is performed in the single block mode of operation the control unit will stop at the end points of the operations 1 2 and 6 in Fig 7 2 1 As a result it needs to be started for three times for drilling a hole The FEEDRATE lamp illuminates at the end points of Operation 1 and 2 For Operation 6 if repeated cycles d
35. input in metric system F12 0 12 degree min To input in Inch system F12 0 12 degree min Note 1 Except the acceleration and deceleration processes in the row of NC NC s calculus error regarding instructed feedrate is kept within 2 Moreover the error is determined by measuring a travel distance over 500mm when NC is in stable running state Note 2 The number of the digits of F codes is up to 7 Should the input feedrate is above the upper limit the feedrate is restrained to the upper limit 3 4 3 To reduce feedrate to 1 10 The input speed in metric system can be changed to 1 10 of the original speed by parameter No 006 BIT3 FMIC setting Item Minimum input unit Range F1 to F150 000 0 1 mm min to 15000 0mm min Feed per minute 0 1mm min 3 4 4 Synchronous feed feed per rotation It is possible to specify a feedrate in relation to the feed amount per minute of the spindle G95 specifies synchronous feed while G94 feed per minute with travel per minute as the feedrate 31 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 1 Note 2 Note 3 3 4 5 Feed per minute Synchronous feed Feed amount per minute of Feed amount of cutting tool per Meaning cutting tool rotation of spindle Address F F G code G94 G95 Input in 1mm min 15000mm min 0 01mm r 500 00mm r mm F1 F 15000 F1 F 50000 Range F f Input in 0 01inch min 600 0inch min
36. is sent to the machine side For the axis to be braked it is locked when the signal has not been given off LCD displays NO READY in the absence of the signal The signal is sent out when NC is in warning state Distribution Completed signal Cycle Operation signal NC outputs the signal when the motion order ends up If the functions of M S T or B and motion instruction are active in a block the signal is given after the completion of the execution of traveling instruction and the functions of M S T or B can be executed NC gives the signal in cycle operation Cycle Operation Start Indicator signal NC sends out the signal at the start of cycle operation Feed Hold Indicator signal NC outputs the signal when it is in holding state through feed hold Manual continuous feed 1 JOG feed For JOG feedrate the rotary switch may be used for 24 step switching The ratio of 24 step is geometric progression 2 Manual rapid traverse Rapid traverse may also be achieved by manual means Rapid traverse override may be used for the rapid traverse speed set by parameters Rapid traverse override is an optional function Manual continuous feed is available for 2 axes at one time Incremental feed Since the following increments may exert positioning control manual positioning can be performed efficiently Incremental feed is available for 2 axes at one time incremental feed amount Sequence numb
37. is used to rapidly position the tool at the reference point Once the tool reaches the reference point the indicator indicating controllable axis s return to the reference point is lit After returning to the reference point the next block will be executed if MOO or M01 does not exist in MOO or M01 If the return to the reference point is not required in all cycles optional 51 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming program skip function can be used If the system is provided with 3 axis gang control function the G27 instruction may be expressed in the following format G27a B r The addresses a 8 and r shall be selected from X Y Z and additional axes A B C U V and W However only one axis can be controlled at one time if concurrent control of additional axes is not selected The use of the following instruction is allowable when 4 axis gang control is selected G27a B r 6 Where a B r O X Y Z A B C U V or W Note 1 In tool compensation mode the position that the tool reaches with G27 is the position with offset In this case the tool is also not at the reference point and the indicator for return to the reference point does not illuminate As a rule G27 is only used for compensation cancellation mode Note 2 In a inch mechanical system that inputs in metric system the indicator illuminates even the programmed position of the tool offsets fr
38. of application are available 3 9 3 1 When a sequence number is specified in address P in the last block of a subprogram control cannot return to the next block of the called subprogram in a main program but to the block specified by the sequence number set by address P Yet the main program is only valid in the storage operation mode The time required to return to the main program by this means is longer than that in normal conditions 140 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Main program Subprogram NO01 01010 N0020 al N1020 NOO30 N1030 N0040 M98 P1010 N1040 50 N1050 N1060 1070 M99 P0070 3 9 3 2 If M99 is executed in a main program the control will return to its beginning If a M99 block is inserted in the proper position in the main program execution of M99 at this time will enable the control to return to the beginning of the main program and it will be executed again M99 will be neglected and the control will go to the next block provided that SKIP OPTIONAL BLOCKS function is enabled If M99 Pn is inserted the control cannot return to the head of the program but to the blocks of sequence number n The time required for switching to the blocks of sequence number n is longer than that for returning to the starting point of the program Disable SKIP OPTIONAL BLOCKS function Pe a
39. overcutting is called interference Interference verification is a function designed to precheck tool overcutting However not all overcuts can be checked by the function There are also some cases that overcutting is not checked 104 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 1 The benchmark for overcutting verification a In tool compensation the traveling direction of the tool center path differs from that of sine path differ by 90 270 b During arc machining the angle difference between the starting point and end point of the tool center path extremely varies from that between those of programmed path except the above state a more than 180 Example of state a Path of tool nose center hsg Programmed path A Vi ey The directions of the two FN __ paths have changed a lot Vf differ by 180 Example of state b Center Se ene 2 oy Diaan el G41 N5 G01 G91 X8000 Y2000 D01 N6 G02 X3200 Y 1600 l 2000 J 8000 D02 N7 G01 X2000 Y 5000 Corresponding offset of D01 7 2000 Corresponding offset of D02 r 6000 In the above example the arc in block N6 is within a quadrant However the arc extends to 105 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming the four quadrants after tool compensation 2 Precorrection of interference a Vector travel associated with interference W
40. r shall be selected from X Y Z and additional axes A B C U V and W However additional axes can not be interlocked with one the three basic axes if additional axis concurrent control function is not selected The following instruction is allowed for the system with 4 axis link function G29a B r 6 Where a B r 6 X Y Z A B C U V and W Note After the tool passes through the intermediate point and reaches the reference point under the instruction of G29 30 the intermediate point shall move to a new coordinate system in case of change in the position of workpiece coordinate system Thereafter the tool shall pass through the intermediate point that has moved to the new coordinate system and reach the specified point when G29 is instructed 54 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 5 8 4 Return to the 2nd 3rd or 4th reference point G30 3 5 9 Note 1 The following instruction moves the specified axis to the 2 3 or 4 reference points G30 P2 G30 P3 pops P2 may be omitted P4 P2 The 2nd reference point P3 The 3rd reference point P4 The 4th reference point Determining the positions of the 2 3 and 4 reference points is to preset the distance between the 1 reference points for field adjustment Except that the tool does not return to the 1 reference point but to the 2 3 and 4 reference points the function is similar to G28 s instru
41. relationship between time and specified value is similar to G04 instruction F To specify cutting feedrate Number of repetitions L L is used to specify the number of repetitions of fixed cycles Job 1 to 6 It is considered as 1 when L is omitted If L 0 is specified machining will not be performed though the machining data of hole is saved in the system Once a drilling mode G is specified it remains constant until other drilling modes or the G codes for fixed cycle cancellation are specified So it needs not to be specified in each block when the same holes are machined in succession The G codes for fixed cycle cancellation are the G codes in G80 or Group 01 117 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming Once hoe machining data is specified they remain constant until the data is changed or fixed cycle is disabled Hence you only need to specify all necessary hole machining holes at the beginning of fixed cycles and change hole coordinate data in fixed cycles When necessary the number of repetitions L shall be specified The data of L is valid in the specified blocks The cutting speed specified by F is maintained even fixed cycles are cancelled Hole machining mode and data remain unchanged but hole position data and repetitions are cancelled when the control unit is reset during fixed cycles When the parameter CLER for specifying G80 mode for reset is set howe
42. second X15 0 X15mm or x15 inches F10 0 10mm min for 10 inch min G04x1 Feedrate for 1 second B90 0 B90deg The addresses that can be entered with decimal point are as follows X Y Z A B C I J K R Q and F During the dwell of an instruction X can be input with the decimal point but P cannot because P is also specified with a sequence number When G codes are used to change the location of the decimal point it is necessary to predetermine G codes even in a block G20 specify in Inch system X1 0G04 X1 0 is considered as a travel distance in inch because it does not indicate time The result is held for 10 seconds in relation to X10000G04 When G04 is entered its indication changes from 1 0 to 10 0 G04X1 0 is treated as GO4X1000 and the result is held for 1 second Take note that the condition with or without a decimal point is quite different Its programming mode differs from an electronic computer G21 specified in metric system G20 specified in Inch system X1 X1 inch 18 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming MA seein X0 0001 inch Note 4 The numerical values with without a decimal point can be mixed X1000 Y23 7 X10 Y22359 Note 5 If a specified value is less than the minimum setting the value will be rounded down The instruction of X1 23456 is considered as X1 234 when it is entered in metric system and 1 2345 in Inch system It ha
43. setting function is enabled it is necessary to set No 375 378 and 400 parameters to 0 or No 379 382 and 441 parameters to 0 If they are not set to 0 the workpiece coordinate system 1 6 will offset 3 5 16 To switch between Inch and metric systems G20 G21 Inputting in metric or Inch system may be selected using G codes 59 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming System of units G codes Minimum input unit Inch Inch system G20 0 0001inch mm metric system G21 0 001mm Both the G codes must be instructed with a single block before the start of the program and setting of the workpiece coordinate system N10 G20 N20 G92 XK Y The following items changes with the G codes 1 The feedrate instructed by F 2 Position indication 3 Offset 4 The unit of the scale of the manual pulse generator 5 The travel of incremental feed 6 Apart of parameters Note 1 Once it is switched on it enters into the state before power off Note 2 Switching between G20 and G21 in the midway of a program is not allowed Note 3 When the system of the units of the machine differs from that of the program the maximum deviation is 1 2 of the minimum traveling unit The deviation value does not accumulate 3 5 17 Storage travel limit G22 G23 The movable range of the tool may be restricted by the two means below The tool does not enter the shadow area
44. that the signal of GRA or GRB is input in NC side As the judging message for switching gears on the heavy current side NC outputs the higher 2 bits or lower 2 bits of S4 bit in BCD codes 52 Thread cutting synchronous feeding A position coder is installed on the principal axis It is possible to perform thread cutting using the pulse synchronous speed of the position coder 53 Position coder To achieve the feed that is in step with the rotation of the principal axis a device that may generate pulse voltage of which frequency is proportional to the number of revolutions of the principal axis and generates 1024 pulses in each rotation shall be directly connected 54 Constant surface speed control Generally surface speed is instructed with B codes In this way the principal axis accordingly changes when the position of the tool changes so that its surface cutting speed is always equal to the linear speed set by S codes 55 Second auxiliary function B3 bit Address B is followed by three digits Once it is instructed a BCD three bit code signal will be sent out to position the index table 56 T function BCD4 bit Addresses S and T are followed by a 2 digit instruction Once they are instructed the code signal of BCD2 bit will likely to be sent out and other codes of the addresses S and T are individually sent out and held until the next S and T are instructed 57 Code standards
45. the numerically controlled machine S codes are used for spindle control T codes for tool change M codes for switching all the functions controlling the machine and B codes for swivel table division Refer to the application instructions for these addresses and codes supplied by manufacturer When a move instruction is specified in the same block as the codes S T M or B the instruction shall be executed by one of the following two methods i The move instruction is executed at the same time as S T M or B ii S T M or B function is performed after the move function Example N1 G01 G91 X50 0 Y 50 0 MO5 Spindle stop 133 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming i Y 4 n d Travel and spindle stop are performed hk concurrently Stop spindle SY after travel we EAE X ise G Sii Which method shall be selected depends on manufacturer s setting In general both the two methods are available for a numerically controlled machine Refer to the manual supplied by the manufacture of the machine 3 8 1 Spindle function S function 3 8 1 1 S 2 digits Spindle speed is controlled by address S and the 2 digits that follow Refer to the manual supplied by the manufacture of the machine for details Note When S 4 digits are specified after S 2 digits the last 2 digits will be valid 3 8 1 2 S 4 digits Spindle speed r min is directly spe
46. to ON Then rotate the manual pulse generator to increase or reduce the feedrate of the currently selected number The increase or reduction in feedrate _ Fmax1 100X AF Manual pulse generator per case Where Fmax1 is used as the upper limit of feedrates of F1 F4 set with a parameter 32 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Fmaxz2 is used as the upper limit of feedrates of F5 F9 set with a parameter X Any figure between 1 and 127 set with a parameter Set or modified feedrate can be saved even in case of power failure The current feedrate is displayed on the LCD 3 4 6 Automatic acceleration and deceleration Note 1 Note 2 During the start or stop of feed acceleration or deceleration is performed at some time constant so as to prevent the mechanical system from shock Hence it is possible to consider the problem of acceleration and deceleration during programming It is impossible to machine a sharp angle under the influence of automatic acceleration and deceleration To machine a sharp angle dwell instruction G04 must be added between two blocks y Insertthe suspension instruction here Programmed path a Actual tool path Once the dwell instruction is inserted the actual tool path tallies with the programmed path The rapider feedrate is the greater time constant of acceleration and deceleration and angle error will be The ch
47. to the center Arc radius R Arc radius Once the unit is switched on G17 is enabled as the initial code for plane selection Whether it is in clockwise or counterclockwise direction depends on the left manual or right manual coordinate system y i G02 pa G02 G19 The end point of the arc is determined by address X Y or Z and its indication in absolute or incremental value by G90 or G91 In incremental indication the coordinate of the end point is specified from the origin of the arc 45 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The center of the arc is determined by the addresses J and K corresponding to axes X Y and Z The digit following J or K is a coordinate component from the origin to the center of the arc and they are always specified as an incremental value The provision has no bearing upon G90 and G91 T End point x Y K End point 7 x F End point 7 Z The marks of I J and K correspond to the specified directions Arc interpolation may substitute and J with R or gives an instruction with K The instruction is given in the following format G02 X Y R G03 There are two types of arc in the arc interpolation with R specified by radius the arc less than 180 and more than 180 Its analysis is as indicated in the diagram below Example of Instruction 1 The arc le
48. twice These G codes are modal and only valid in instructed blocks These amounts of compensation are instructed by D or H codes and remain unchanged once they selected before selecting other amounts of compensation Whether tool offset compensation uses H or D codes is set by parameter No 010 BIT3 OFSD In offset storage the shape of the workpiece serves as the path of the tool for programming during the setting of the radius of the tool Offset value _The shape ofthe workpiece r serves as the path for programming Path of tool center Range of offset Input in metric system Input in Inch system Offset value Omm 999 999mm 0 99 9999 Offset value 0 999 999 0 999 999 The offset function is valid for an additional axis the 4 axis When the offset number is 00 HOO or DOO the offset will also be 0 Zooming is made in the moving direction of the tool of the axis When the absolute value instructs the tool starts to move to the position instructed by the instructions in the blocks of G45 G48 and makes zooming compensation G45 instruction only to lengthen the offset SAY OY Pt att gt Move instruction value Be er dete _ Offset 68 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Actual travel gt a Move instruction 12 34 offset 5 67 b Move instruction 12 34 offset Point of origin End point Point of origin End
49. unit 1 Minimum set unit input unit Minimum unit of tool travel is input by instruction The minimum unit is given in mm inch or degree 2 Minimum travel unit output unit The minimum unit output to the machine is indicated in mm inch or degree Any one of the following combinations may be employed Input output Minimum set unit Minimum travel unit Input in mm and output in mm 0 001mm 0 001mm Input in inch and output in mm 0 0001inch 0 001mm Linear axis Input in mm and output in inch 0 001mm 0 0001inch Input in inch and output in inch 0 0001inch 0 0001inch Axis of rotation 0 001 0 001 Note The set unit of an axis of rotation cannot be converted between Inch and metric systems Whether the minimum travel unit is 0 001 mm or 0 0001inch shall be determined by the machine and selected by presetting parameter No 006 BITO SCW Whether the minimum travel unit is 0 001 mm or 0 0001inch shall be selected by G codes or by setting parameter through MDI LCD panel G20 The minimum set unit of a linear axis is 0 0001inch G21 The minimum set unit of a linear axis is 0 001mm The state of G20 and G21 remains unchanged when the system is powered on off 25 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 3 2 2 Input unitx10 The minimum set unit in mm may be changed to 0 01mm by parameter No 006 BIT1 setting The minimum set unit in inch cann
50. when the tool path is programmed as shown in the Figure a the tool center will move as indicated in b vice versa Therefore machining a female mould and a male mould may use the same program The clearance between them may be adjusted by selecting an offset it is also applicable if the start up and cancellation is of type A Tool center path Overcutting resulting from tool compensation To machine the inner side of an arc whose radius is less than that of a tool When the instructed arc radius is less than that of the tool the system will give No 41 alarm and stop since the offset of the interior side of the tool may lead to overcutting During single block operation however it is likely to cause overcutting because the tool only stops when the program ends up Now the tool movement is similar to the No 41 101 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming alarm below Tool center path aa Programmed path Alarm will be given and the tas operation in single block AWA Wt ii To machine a groove smaller than tool diameter See SDS eee H SN Itis subject to overcutting if NC does not stop Since that tool compensation forces the tool center path to move in the direction contrary to the programmed direction may cause overcutting No 41 alarm will be given and NC will stop at the origin of the block Give an alarm a
51. 03 G28 G91 Z0 M20 G28 YO M21 GOO Z10000 M22 G28 ZO M23 G 1 G 3 M99 3 10 7 7 Calling macros with M codes The M codes set by parameter may call a macro i e N G65 PAAAA lt Specified variable gt Operation is performed when using the following instruction instead N Mxx lt Specified variable gt The calling of the program number A AAA of macro is set by relevant parameter 184 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Except a part of specified M codes up to 10 of M06 to M255 can call macro However this type of M code cannot be input through MDI like G65 or used in the subprograms called with G code M code and T code Set the parameters as follows 043 User macro body 9020 calls M mode 052 User macro body 9029 calls M mode 3 10 7 8 Calling a subprogram with a T code The T codes set by parameter may call a subprogram Operation is performed when using the following two instructions of the program instead 149 t NG Xe ON ceusesteseateseabewseaeay es M98 P90000 The t in T codes is saved as the independent variable in variable 149 T codes are displayed on COMND page but TF and T codes are not sent They may be specified through MDI but cannot be instructed in the blocks with the M codes for calling a subprogram In the macro called by the means for G codes to call a macro as well as in the subprogram called by the means for M or
52. 1 ABS 4 2000 7 IF 1 LEO JGOTO 1 2 1 2 3003 3 G01 X 1 ROUND 2 Y 2 G17 G02 X 2 Y 2R 2 1 X 2 Y 2 R 2 G01 X ROUND 2 Y 2 3003 0 N1 M99 3 10 7 6 Calling a subprogram with an M code The M code set by parameter may be used to call a subprogram The instruction of N_G__X ere M98PA AAA may be substituted by the following simple instruction 183 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming For M98 a subprogram is indicated on COMND page but MF and M codes are not sent The correspondence between calling macro with M code xx and calling the program number AAAA may be set by parameter Except the No 35 and 36 M30 parameters MBUF and MBUF at most 3 of M03 to M97 can be used for macro calling Instruction may be specified through MDI keypad In the macros called by the means that a G code calls a macro or in the subprogram called by the means that a T code calls a subprogram the subprograms of the specified M codes cannot be called like common M codes Set the following parameters 0320 The M code for calling macro 9001 0321 The M code for calling macro 9002 0322 The M code for calling macro 9003 Example 10 7 8 Through the ATC fixed cycle of M06 1 Set the following parameter Subprogram the M code called by 9001 06 N Record the following macro bodies 09001 1 4001 3 40
53. 1000 More than 2 blocks without tool movement cannot be specified in succession otherwise a vector which has a length equal to the offset and direction perpendicular to the moving direction of the tool in the previous block will be generated thereby causing overcutting N7 NS N9 o f ss5 Note 4 NG G91 100 0 Y200 0 F SOSU N7 S21 Pi EN x9 NS G04 X1 0 f f N9 9 X100 0 a E _ x Blocks N7 and N8 are executed here Note 4 SSS means that the tool operated by a single block stops here for three times When the block is instructed along with offset cancellation When a block without tool movement and offset cancellation are specified at one time its vector whose length is equal to the offset is generated in the direction normal to the tool movement of the previous block The vector will be cancelled in the next move instruction ai NG G91 X100 0 Y100 0 N6 7 a N7 G40 N8 X100 0 YO When G40 and the one among l J and K that is in the offset plane are instructed and the previous block mode is G41 or G2 When the above instruction is performed in the offset mode it will become the following condition with G17 plane as an example Analogies may be drawn for the situations of other planes Now the direction of the vectors l J that start from the end point of the previous block are determined by the above instructions Its offsetting direction is the same as the previous block 97 GSK983M
54. 2 X Y Z 3 4 5 Including Including additional axes additional axes The system gives 17 alarm if additional axes A B C U V W are specified without additional control function The number of link axes is always 2 in manual operation When the system has the 5 axis the following function control shall be exerted Thread cutting and synchronous feed cannot be performed The capacity of part program is reduced to 75 Additional S4 digit analog output function is not available Additional constant surface speed control function is not available Coordinate axes and movement symbols If the machine coordinate axes specified by the machine are not identical with the tool movement symbols programming is subject to serious disorder The concerned basic concepts are provided in EIA RS 267 A or ISO841 However the following points shall be observed during programming a Program shall be developed on the basis of a standard coordinate system right manual rectangular coordinate system b When programming assume that workpiece does not move and a cutting tool moves around it Y b X Y OR Z A B OR C Right hand rectangular coordinate system 24 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming aE ee Standard coordinate system Horizontal type boring and milling machine coordinate axes 3 3 2 Set unit 3 3 2 1 Minimum set unit and minimum travel
55. 3 Axis Z move instruction N41 Startup In the above example N3 and N6 will also be read in buffer register during execution of block N1 and the relationship between them will be properly compensated as shown in the right figure Secondly if N3 axis Z move instruction is separated N1 G91 G00 G41 X50000 Y50000 D1 N3 Z 25000 N5 G01 Z 5000 F1 103 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N6 Y100000 F2 NG Ye iM NBs a Instruct axis Z to move Since both the move blocks N3 and N5 do not include the XY plane block N6 cannot enter into the buffer register when N1 starts execution As a result the tool center path is calculated by the information N1 in the right figure In this situation tool vector will not be generated during start up thereby resulting in the overcutting as shown in the right figure In this situation overcutting may be prevented by specifying an instruction of the same moving direction in the blocks before and after axis Z feed instruction using the above rules N1 G91 G00 G41 X50000 Y40000 D1 N2 Y10000 N3 Z 25000 N5 G01 Z 5000 F1 N6 Y100000 F2 The moving directions of N2 and N6 are identical NS NS Axis Z move instruction ANI Blocks N2 and N3 are read in the buffer register and correctly compensated according to the relationship between N1 and N2 during the execution of block N1 Note 9 Interference verification Tool
56. 33 A local variable is a variable that is locally used in a macro namely the local variable 1 for calling a macro at a point of time varies from the 1 for calling a macro at another point of time regardless the macros are the same Therefore the local variable for Macro A will never be misused for Macro B and damage its variable value as nesting when calling Macro B from A Local variable is used for independent variable conversion See Section 10 7 for the relationship between variable and address The local variable without independent variable conversion is empty in its original state and user may use them as he like 3 10 3 2 Common variables 100 149 500 509 Local variable is common in a macro Common variable is common for all subprograms called by main programs and all macros are common That is the 1 for some macro and the 1 for another Therefore the operation result of the common variable 1 in a certain macro is usable in another macro In this system no special requirement is made for the use of common variable They may be used by user Common variables 100 to 149 can be cleared by powering off However the 500 to 509 common variables cannot be removed by powering off 3 10 3 3 System variables for user Macro B In this system the use of system variables is definite 1 Interface signals 1000 to 1015 and 1032 1100 to 1115 and 1132 Input signal The state of interface input signal is de
57. 4 alarm will be given when instead of the next address appears after X1 Alarm No 114 The formats other than lt Formula gt are incorrect This type of alarm indicators up a lamp in the following conditions a The characters following an address shall not be numerical values Example XF1000 XSIN 10 b The formats other than IF also called WHILE lt Formula gt AA lt Formula gt Example IF 1 EQ 2 GOTO 10 WHILE 1 SIN 2 DO1 3 10 12 Examples of user macros 3 10 12 1 Groove machining User macro performs fixed cycles of groove in the range of the figure below where Z is the machining range of certain depth and z the cutting amount of the machining range joe Rapid traverse Feedrate override gxe t Feedrate override e or f e in I direction and f in xy plane Origin x yA 1 User macro call instruction 191 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G65 P9802 XxYyZzRrQgllJjKkTtDdFfEe The meaning of all addresses xy Absolute coordinates of the axes X and Y Left bottom corner of the groove at the origin zr Absolute coordinates of Point Z and Point R See the figure g The cutting amount of each machining positive ij The lengths positive in the directions of X and Y in machining area see the figure the machining efficiency will be higher when i gt j k Allow
58. 55 hy YY R ry fPath of tool nose center rd eefa A NG j ra Oe e a ote ae 1 See gs S INf VA L Center L 85 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming If there is a lead on the arc as shown in the diagram use the arc center connecting to the end point of the arc as the center of a circle to make a imaginary arc Make a vector for compensation by using the imaginary arc as the arc of tool compensation Its result varies from the tool center path that uses the arc lead a lead for tool compensation Follow the same procedures for the situation of arc arc The situation without an internal intersection point As shown in the diagram below arc intersection point exists on compensation path when the offset is small Increase in the offset eliminates the intersection point Now the system gives No 33 alarm and stops at the end point of the previous block NC gives an alarm and stop J aemet e canerctsice Minimum offset Programmed path AT A T a a a ae aes ae aih r As shown in the diagram below arc intersection point P exists on compensation paths of arc A and arc B when the offset is small Increase in the offset eliminates the intersection point For that center coincides with the origin or end point the system gives No 38 alarm and stops program execution at the end point of the previous block NC gives an alarm and sto
59. 7 For 3 or 4 axis link the method for calculating the feedrate in rectangular coordinate system is the same as 2 axis control For inputting in Inch system and inputting in metric system the upper limit of the feedrate of an axis of rotation is approximately 6000 min The speed is fixed at the upper limit even the feedrate of an instruction exceeds the upper limit 3 5 5 Arc interpolation G02 G03 3 5 5 1 Arc interpolation without any additional axis The instruction below moves the tool along the arc The arc in the X Y plane G02 R G17 X _Y F G03 J 44 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The arc in the Z X plane G02 R G18 X _Z F G03 _K The arc in the Y Z plane G02 R G19 X _Z F G03 J kK Instruction Meaning Plane selection G17 The arc in the plane of XY G18 The arc in the plane of ZX G19 The arc in the plane of YZ Rotating direction G02 G03 Clockwise CW Counterclockwise CCW G90 mode The position 2 of axes X Y and Z The position of the end point in the workspace coordinate system of end point G91 mode 2 of axes X Y and Z The distance from the origin to the end point The distance from the starting point to the center 2 of axes I J and K The distance from the origin
60. 983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 10 4 6 Changing operational order using The part that is to be preferred may be putin may be nested for 5 times including the parenthesis in a function Example 10 4 2 i SIN j K 2 m n triple nesting 3 10 4 7 Accuracy To arrange an order with macro order make sure it has an adequate accuracy Data format The floating point format of the data processed by macro is as follows M 2E Where M 1 sign bit 31 binary numbers E 1 sign bit 7 binary numbers Operational precision Executing an operation once generates the following error These errors are totalized in repeated operations Operational format Average error Maximum error Error type a b c 1 55x10 4 66x10 Relative error a b c 4 66x10 1 86x10 a b 1 24x10 3 73x10 2 33x10 532x107 min 5 0x10 1 0x10 Absolute error degree a ATANb c Note Function TAN executes SIN COS 3 10 4 8 Cautions regarding deterioration of precision 1 Add subtract operation 162 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming Note that when absolute values operate subtraction in addition or subtraction the relative error will not be maintained below 10 For example assuming the actual values of 1and 2 are as follows 1 9876543210123 456 2 9876543277777 777
61. CCW Sine curve interpolation When an axis in the arc plane does not move the axis is considered as an imaginary axis in the spiral curve interpolation instruction the other 2 axes may be used for sine curve interpolation The arc interpolation using arc radius R for programming In arc interpolation directly specifying radius with radius value R rather than J and K simplifies programming An arc over or below 180 can be instructed External deceleration The mechanical vibration at the end of travel can be minimized and the range of effective travel maximized through the function External deceleration is not applicable for an additional axis External workpiece number search A The function is used to input any program number among 1 31 for NC from the outside such as machine side and to select these programs from the memory of NC External data input The function is used to transmit the following data from the outside such as machine side 1 External workpiece number search C 2 External cutter compensation C 3 External warning message 4 External operation information Automatic acceleration deceleration of cutting feed Cutting feed and manual continuous feed can be set by parameters to make power type acceleration deceleration in 8ms 4000ms time constant 10 Additional skipping over selected blocks GSK983M Milling CNC System Operation Manual Volume l Specific
62. F050 ID053 JD053 KD 053 H02 S02 T02 e BO3 M02 S04 T04 2 Input in Inch system NO4 G02 XL 044 YL 044 ZL 044 RD044 D02 aL 053 BL 053 e F032 i ID044 JD044 KD044 H02 S02 T02 7 e BO3 M02 16 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming S04 T04 Note 1 a and B are for any one of A B C U V and W Note 2 The address and digits in the above formats have the following meanings X L 0 5 The three digits behind decimal point The five digits before decimal point Leading zero may be omitted With a symbol Absolute value or incremental value Address 5 3 The three digits behind decimal point The five digits before decimal point Leading zero may be omitted Incremental value with a symbol Address fe am 0 For example When a Cutting tool moves to 50 123mm along X axis its move instruction is as follows G00 X50 123 The three digits behind decimal point The five digits before decimal point 00050 The leading zero and T are omitted G00 must not be omitted even the leading zero may be omitted G00 specifies rapid traverse positioning Note 3 When an address word in a block is instructed twice or more times the last instruction will be valid and not give any alarm in principle For example G01 M03 S200 M08 Now MOB8 is valid and MO3 invalid For G codes the lastly specified one in each group of G codes in a block is val
63. G44 was made earlier programming coordinates shall be used to calculate the constant surface speed When tool position offset G45 G48 was made the existing value shall be used to calculate the constant surface speed When the machine is locked calculation about constant surface speed shall be made depending on the change in the coordinates of the axis with constant speed control Constant surface speed control is also available during thread machining Therefore it is recommended to use G97 instruction to disable constant surface speed control before face thread and taper thread chasing because servo system does not respond during the change of spindle rotational speed Note 10 Constant surface speed feed per minute control mode G96 is also allowable in G94 mode Note 11 When switching from G96 mode to G97 mode the final spindle rotational speed in G96 mode is used as the S codes in G97 mode if S codes r min is predetermined in G97 block 136 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N111 G97 800 800r min N222 G96 S100 100m min N333 G97 X r min X the spindle rotational speed X rpm in the blocks before N333 alternatively the spindle speed remains unchanged when the mode has been changed from G96 to G97 The S value newly specified in G96 mode will be enabled when switching from G97 to G96 mode If S is not specified S Om min inch min 3 8 3 Tool function
64. GSK983M Milling CNC System User Manual Volume l Specifications and Programming cor I WIS i212 SS SBR Zl GSK CNC EQUIPMENT CO LTD 8 This user manual describes all items concerning the operation of the system in detail as much as possible However it is impractical to give particular descriptions of all unnecessary and or unavailable works of the system due to the length limit of the manual specific operations of the product and other causes Therefore the operations not specified herein may be considered impractical or unavailable AE this user manual is the property of GSK CNC Equipment Co Ltd All rights are reserved It is against the law for any organization or individual to publish or reprint this manual without the express written permission of GSK and the latter reserves the right to ascertain their legal liability Company Profile GSK GSK CNC Equipment Co Ltd is the largest CNC system production and marketing enterprise in China at present It is the Numerical Control industrial base of South China and the undertaking enterprise of the national 863 main project Industrialization Support Technology for Medium Numerical Control System It is also one of the 20 basic equipment manufacture enterprises in Guangdong province It has been taking up the research and development design and the manufacture of machine CNC system CNC device drive unit and servo motor in recent 10 years Now it has developed i
65. IP position ABSKP Axis Z SKIP position ABSKP The 4 axis X SKIP position ABSKP The 5 axis X SKIP position ABSKP Applicable Tool length offset Not applicable Abbreviation ABSIO Axis X servo position deviation Axis Y servo position deviation Axis Z servo position deviation The 4 servo position deviation The 5 servo position deviation ABSMT ABSOT Not applicable ABSKP Meaning The end position of the previous block The actual position of an instruction identical with indication POS MACHINE The actual position of an instruction identical with indication POS MACHINE The position of the ON SKIP signal in G31 block Coordinate system Workpiece coordinate system Workpiece coordinate system Workpiece coordinate system Workpiece coordinate system Tool position Tool length N A Applicable Applicable Applicable Tool compensation Tool position Tool calibrating spot Tool calibrating spot Tool calibrating spot Note The tool length offset is not valid just between the blocks to be executed but in the executing blocks If SKIP signal is not switched on in G31 block its position is at the end point of the block Example 10 3 7 The tool moves to a fixed point The distances from XP YP and ZP to the reference point and returns to the original position after treatment by programming an intermediate point
66. LC MODELS A and B are available PLC MODEL A PLC MODEL B Quantity of input y p 192 points 192 points 101 PLC pons tity of output puant y9 ak 128 points 128 points points Program ste PIa nas Up to 5 000 steps g p steps p p 12 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 PROGRAMMING 3 1 What Is Programming NC processing machine operates by developed programs To process a part on the NC machine the route and other processing conditions of cutting feed shall be included in the program The program is called part program The following diagram indicates the processes from preparation of detail drawing to NC s execution of the processing program Detail drawing gt Processing plan Part programming gt NC s execution of processing program Determine the NC processing range and select an NC machine to be used Determine the assembling method of the workblank on the machine and select a necessary clamping device and a tool Determine the cutting sequence process type home point of the cutting tool the cut depths of rough cutting and finish cutting and route of cutting feed Select a cutting tool and a tool clamping device and determine the mounting position on the machine Set cutting conditions spindle rotating speed feed speed and whether to use cooling fluid etc Part program is an NC i
67. O M05 Return to the reference point and the spindle stops G91 Z0 Cancel tool length compensation Program stops Note When the number of repetitions L is programmed in G98 G99 the tool returns from the first drill hole to the origin G98 or Point R G99 3 7 3 Specifying an origin and Point R in a fixed cycle G98 G99 G98 and G99 specifies whether the return point in a fixed cycle is the origin or Point R as shown in Fig 7 3 respectively If the return position of the first fixed cycle is the origin the starting point of the cycle will be the origin If it is at point R the starting point of the cycle will be Point R In general G99 is employed to drill the first hole while G98 the last To program the number of repetitions L G98 shall be specified for the first hole so that the tool may return to 132 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming the origin G98 G99 Origin Pd a 4 e i 6 _ 9 i i i 1 Ioi t pe Point R 1 i i i i i L Pointz i Point Z Fig 7 3 Origin and Point R 3 8 Spindle Function S function Tool Function T function Miscellaneous Function M function and Secondary Miscellaneous Function B function A numerical value is specified behind address S T M or B so that BCD signal or strobe pulse is transmitted to the NC machine This is mainly used for the switching function of
68. OOL PT 000045 00 LSK 159 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 10 4 Operation instructions All types of operations may be carried out between variables Operation instruction is equivalent to general arithmetically developed program i lt Formula gt The right lt Formula gt of an operation instruction is the combination of constant variable function and operator Constant replaces j and k The constant with a decimal point in lt Formula gt may be deemed that there is a decimal point at its end 3 10 4 1 Definition and substitution of variable i j Definition and substitution 3 10 4 2 Additive operation i j k Summation i j k Subtraction i joR k Logical sum for each one of 32 digits i jXOR K Exclusive or for each one of 32 digits 3 10 4 3 Multiply operation Macro B option i j k Arithmetic product i j k Quotient i JAND K Logical multiply for each one of 32 digits 3 10 4 4 Function Macro B option i SIN j Sine unit degree i COS j Cosine unit degree i TAN j Tangent unit degree i ATAN j k Arc tangent unit degree i SQRT j Square root unit degree i ABS j Absolute value i BIN i Switching from BCD to BIN i BCD j Switching from BIN to BCD i ROUND j Rounding 160 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming i FIX j Rounding off the part belo
69. P LAAA TAAAAH OOD G11 M02 M30 What follows L is the tool life of No 1 9999 tools Note 1 1 What follows T is a tool number 2 What follows H is a tool length offset number What follows D is a tool offset number N Tool selecting order 1 2 till N the data of the next group To set the end of tool group End of program The setting procedures are as follows i Like the general DNC functions press ENTER in EDIT mode after activating the DNC communication interface Programs will be loaded into the part program storage and get ready for display and edition ii Du In storage mode perform a cycle starting operation so as to run the programs Data will be saved in the tool life data area At the same time the tool life data of all tool groups saved earlier will be deleted and the tool life counter cleared Once data is saved it will not lose even after power failure iii In the operation of Step i perform a cycle starting operation in DNC mode and save the contents of the program directly into the tool life data area through RS232 Now display and edition cannot be performed as Step i Note 1 Whether tool life will be indicated in time min or frequency number of cycles shall be set by parameter 309 LOTM Note 2 One of the following four groups may be selected for tool group number and tool
70. Point R Z Point Z The macro is developed as follows 09086 1 4003 Save Group 03 G codes 3003 1 Disable SINGLE BLOCK STOP G00 G91 Z 18 G01 Z 26 M05 G00 Z 18 26 M03 3003 0 G 1 M99 Restore Group 03 G codes System variables 4001 to 4120 cannot be used for the left item on the left side of the operational instruction Position messages 5001 5105 Position messages may be determined by readable system variables 5001 to 5015 Whether its unit is mm or inch depends on the input system System variables 5001 to 5105 cannot be used for the left item on the left side of the operational instruction Reading in during travel System variables Position messages End position of Axis X block ABSIO End position of Axis Y block ABSIO End position of Axis Z block ABSIO Applicable End position of the 4 axis block ABSIO End position of the 5 axis block ABSIO Actual position of Axis X ABSMT Actual position of Axis Y ABSMT Actual position of Axis Z ABSMT Not applicable Actual position of the 4 axis ABSMT Actual position of the 5 axis ABSMT Actual position of Axis X ABSMT Actual position of Axis Y ABSMT Not applicable Actual position of Axis Z ABSMT 157 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Actual position of the 4 axis ABSMT Actual position of the 5 axis ABSMT Axis X SKIP position ABSKP Axis Y SK
71. Program number o fC OF CG cf From 1 to 9999 0 and preceding 0 may be omitted vr 4 digits The program starts from the program number and ends at M02 M30 or M99 1111 program 2222 program M02 and M30 indicate the end of a main program M99 indicates the end of a subprogram 20 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 5555 subprogram Note 1 For ISO codes replace O with a Note 2 The block with an optional block skip code such as M02 M30 and M99 shall not be deemed as the end of a program Note 3 When a program is not provided with a preceding program number the first sequence number N other than NO of the program may be used to replace the program number Note 4 If a program is not provided with a preceding program number or sequence number MDI LCD panel shall be used to specify a program number when storing the program into the memory Note 5 For several programs the second program and the succeeding ones are not necessarily provided with an EOB code skipped wit a mark However an EOB code shall be used before the program when the foregoing program ends by ER EIA or ISO Note 6 It is possible to operate without a program number Subprogram shall be provided with a program number Note 7 In some cases the program number from 9000 9899 can only used by machine manufacturer rather than user Note 8 When it has a robot option
72. Specifications and Programming 1 20 120 1 N4 END1 Note 1 REPEAT pay attention to the following points during REPEAT programming DOm shall always be set before ENDm 1 Applicable 166 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming END1 DO statement may be nested for 3 times GOTO 9000 167 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Applicable END1 Transferring from the outside to the inside of the DO area is not allowed GOTO 9000 GOTO 9000 It is possible to call a macro and subprograms from the inside of the DO area DO statement may be nested for three times in a macro body or a subprogram G65 Applicable G66 Applicable G67 _ Applicable 168 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Mg8 Applicable Note 2 As a rule the time required for TRANSFER is shorter than that for REPEAT Example 10 5 3 Wait for the cyclic program whose signal 10000 is 1 N 101 F 1000 EQ 0 JGOTO 10 WHILE 1000 EQ 0 DO 1 END1 Is used for programming the executing time will be shorter 3 10 6 Creation and storage of user macro body 3 10 6 1 Creation of user macro body 1 2 Macro and subprogram have the same format O Program number Instruction M99 Program number is prescribed as follows O1 0 7999 Th
73. Specifications and Programming Execute the necessary data output instructions 3 Close instruction POLOS The instruction shall be used at the end of all data output instructions to disable external I O devices and interfaces 3 10 13 1 OPEN instruction POPEN POPEN While an external I O device and its interface is executing an instruction the instruction shall be executed to output DC2 control code from the NC side before outputting a series of data instructions 3 10 13 2 Data output instruction BPRNT DPRNT 1 BPRNT a b lol Se f f Character Variable Number of effective digits after decimal point The output of characters and binary output of variables are performed during the execution of BPRNT instruction a Characters Instructed characters output as ISO codes The characters that can be instructed include e Latin letters A Z e Numerical values e Special characters kI is output as a space code b Since all variables with a decimal point will be saved The number of the valid digits after decimal point is indicated with the parentheses following a variable instruction The variable value that takes the digits after decimal point into account is indicated with a 2 character data 32bit and starts from high byte outputting in binary data c EOB codes outputs with ISO codes after outputting instruction data d The variables of lt Empty gt cannot be output with 114 p s alarm 2 DPRN
74. T _a_ b cd Number of the digits after decimal point Number of the digits before decimal point Variable Character The output of characters and digits of numerical values may be performed with ISO codes during the execution of DPRNT a Refer to the descriptions for the points a c and d of BPRNT instruction 194 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming b During the output of a variable value the variable number is specified after character Here the numbers of the digits before and after decimal point are specified in parentheses The number of digits of a variable value starts from high byte valid digit Each digit and its decimal point are output through ISO codes A variable value consists of up to eight digits If its high byte digit is 0 then no code will be output when No 315 parameter PRT 1 and space code is output when PRT 0 Whenever no decimal is output code outputs space code when No 315 parameter PRT 0 in the situation of its sign is positive No code will be output when PRT 1 3 10 13 3 Close instruction PCLOS PCLOS To release the machining link of external I O unit the instruction is specified at the end of all data output instructions DC4 control codes are output through NC 3 10 13 4 Necessary settings for using the function 1 Set No 341 parameter so as to use the output unit RS232C for communication outputting 2 Set all data baud rate
75. UNCKIONY seisissecctsccicecscdsesceosstecconccsedsecsesesecesceecsecsetecsdoscsecdecsesnceesscee sdensesucessssesss 30 3 4 1 Rapid traverse positioning function oo cece ccecesesesesesesesenesesesssensnseseseseseseaeseseeeeseseeeeeseseneaees 30 3 4 2 Cutting teedrate recen Sie etetes aia heise tries nae A ea hei a Melee ee aie 30 3 4 3 To reduce feedrate to 1 10 ce eeesessseseseesssesssesesescseseececsesesenessnensnsnenssaescacaeacaeseueesseseseeceeseseseaees 31 3 4 4 Synchronous feed feed per rotation oo ccccccccesesesesesesesenesenesceenseseseseseaeaeseeeensescseeeeesesenenees 31 34251 GIGI feeder teat ea eae Lae aa pt eS Eth oe ele doh 32 3 4 6 Automatic acceleration and deceleration ccecesescesescseeseseseeseseseceseseeeeecseneeseseeeeeeeeneeetseeeeeens 33 3 4 7 Automatic angle AdjUStMent eee ecseeseseseeeeseseseeseseseeecsenenaesceesecaenenacsceesecaeseeasaceeeecseneeeeaeeeseees 34 3 4 7 1 Automatic adjustment of inner angle oo eee ceceseseeeeeeeeceeeeeeeeeseseneneneneseneenseseseaeeeseeeeeeeees 34 3 4 7 2 Switch of inner arc cutting feedrate oo cccecesessssseeseseseeeeeeeseseseseneneneneneseseseseaeaeseeeeeeeees 37 3 5 Preparation FUNCTION G function eesssseseccssossesceeosoesecoesossesecoosoesesoeeosoesesossossescesosossesossoseese 38 3 5 1 Selection of planes G17 G18 G19 ccccccccsecesesesesesesenenenensseneneseseseseseaeseeeeesceeeeeeeeseseneaeas 40 3 5 2 Positioning G00 Accs ice a tethia tag E E dle
76. a workpiece coordinate system The function is designed to compensate the pitch error caused by the mechanical wear of the feed screw so as to maximize processing accuracy and mechanical life Compensation data is saved in thereby omitting the compensation mechanism such as the stop and the relevant setting operations memory It is possible to preset one of the 6 workpiece coordinate systems using six G codes i e G54 G59 and subsequent programming can be made in the selected coordinate system Tool offset G45 G48 Tools can be offset using instructions G45 G48 Tool offset refers to the side play mount corresponding to a move instruction s elongation or reduction of an instruction of D or H codes in axial direction D or H codes may instruct 1 32 and the maximum offset shall be 999 999mm or 99 999 inches G45 To increase the set value G46 To reduce the set value G47 To increase the set value by twice G48 To reduce the set value by twice Automatic setting of a coordinate system GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming To manually return to a reference point parameters must be preset to establish a coordinate system namely automatic execution is similar to the condition that the instruction G92 is used at the reference point Tool length offset G43 G44 G49 Tool length offset tool length compensation is possible in the direction of the axi
77. able amount at the end t The machining width shall not exceed the tool radius xt d Tool radius compensation number 01 99 f The feedrate in xy plane e The feedrate during cutting in the feed is at 8Xe feedrate 1mm before cutting in User macro body 0 9802 27 2000 7 28 6 27 29 5 2 28 30 2 27 23 100 31 FUP 29 30 32 29 31 10 24 28 11 25 28 12 24 4 28 13 26 26 6 GOO X 10 Y 11 Z 18 14 18 D01 14 14 17 IF 14GE13 GOTO 1 14 13 192 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N1 G01 Z 14 F 8 X 12 F 9 15 1 WHILE 15 LE 31 D02 Y 11 15 32 IF 15 AND 1EQOJ GOTO02 X 10 GOTO 3 N2 X 12 N3 15 15 1 END2 G00 Z 18 X 10 Y 11 IF 14 LE 13 GOTO 4 G01 Z 14 1F 8 8 END1 N4 M99 3 10 13 External output instructions Besides typical user macro instructions the following macro instructions external output instructions may be executed a BPRNT b DPRNT c POPEN d POLOS These instructions are for the purpose of outputting values and texts of variable through RS232 interface These instructions shall be instructed in the following order OPEN instruction POPEN Get external I O equipment interface ready before outputting a series of data instructions Data output instruction BPRNT and DPRNT 193 GSK983M Milling CNC System Operation Manual Volume l
78. alified personnel as improper operations may cause accidents Please carefully read this user manual before usage All specifications and designs herein are subject to change without further notice We are full of heartfelt gratitude to you for supporting us in the use of GSK s products CONTENTS LH GENERA 5a noie e E E EE o E O TEE EEOSE TES EE TEE 1 PASAY TATATA E E E E E E A E T 1 1 2 Introduction to the Manual ccccsccsssssssscsscssssssssssessssssessessesscsscssessscsscsssseneesesssseseesessscsseees 1 2 SPECIFICATIONS veisssnsassisesssciscvansesscssssssaavenedacsasssvsabedecassassissdisesvcussasssssdedeveansanbassassasevsdsaeansensatess 2 3 PROGRAMMING six ccssiesdccsieanssasecesesestcanaacdecssocesusevansusseng lt oshsusenatesensdcsssesnondedegasess eave cndaavassesesssesess 13 3 1 Whatls Programming iasc2icecieccdecascedsecess scccsceusdsetccacovecseesiconsdesttbaseusdtececuse secdeotsse senes ue soeudavedeseoseeds 13 3 2 Program Make Up sscsz osisssescssccssenscosssenssscssnasdascenosseosenascencvvncsvsaseossssenesssssoseoscesecsesosteonescsevesessceoansses 13 CAA i 211010 EE EEEE R A E A T E 14 o AA AKo o E ANO Ko PEARSE E E E E E E EEE E S 14 3 2 3 Input TOFMAL RAEE A E E T E HE RIS 16 3 2 4 Decimal prograMmMiINgeesenn n E E n E E E E AE a a NSE ES 18 3 2 5 Maximum instruction value seseeeeseseseseseesestsessesestereststsstsestereststsstsestereststsstsesteteststsstsesreresestsstsent 19 3 2 6 Pr
79. am will be called repeatedly for five times when the instruction is executed The called subprogram instruction M98 P L and move instruction may be set in the same block Example X1000 M98 P1200 In the above example No 1200 subprogram is called after the travel in the direction of axis X 139 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Example The executing sequence for a main program to call a subprogram is as follows Main program Subprogram NOO1O ve 01010 NOO20 lt A 6 gt N1020 NOO30 M98 P1010 L2 P p N1030 NO040 AS N1040 NO050 M98 P1010 7 gt gt PN1050 NO060 m AN1 00 ____ 9 The executive process for a subprogram to call another subprogram is similar to the above example Note 1 M98 and M99 signals are not sent to the machine Note 2 If the subprogram number specified by P is not found No 78 alarm will be given Note 3 The M98 Pxxxx instruction input through MDI cannot call a subprogram In this case the following program shall be developed in the editing mode and executed with storage Oxxxx M98 Pxxxx M02 Note 4 The blocks or single block containing M98 P M99 are invalid When the blocks of M98 and M99 contain the addresses other than O N L and P however the stop of a single block will be valid 3 9 3 Special methods of application The following special methods
80. ancelled after fixed cycles 73 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 7 Tool offset modes G45 G48 are not allowed in the modes of G41 or G42 tool compensation otherwise P S alarm will be given alarm no 36 3 6 3 Tool radius compensation G40 G42 3 6 3 1 Tool radius compensation function As shown in the figure below to machine the workpiece indicated by A in the figure with a tool of radius R the corresponding tool center must always be B path keeping a distance of R away from A Moving the tool from the workpiece by one distance in this way is called offsetting The tool compensating function is used to determine the path i e offset of the tool that has moved for a distance Therefore programmer may use the tool offset mode to program the outline of a workpiece Furthermore if tool radius offset is measured and set in the NC during machining the tool path will be offset path B regardless the programmed path Offsetting and vector Two types of tool compensation B and C are available This section only describes type C The difference between B and C is as follows In the mode of type B tool compensation inward offsetting cannot be performed for angles equal to or less than 90 In this condition make sure to program it into a proper inward arc 3 6 3 2 Offset D codes At most 32 amounts of offset may be set in the offset storage 64 99 and 200 ar
81. anges of feedrate between the blocks that have specified different moving modes are as listed in the table below oregoing blocks New blocks Positioning Cutting feed Not to move Positioning Cutting feed Not to move x The next block will be executed when the instruction speed is reduced to zero O Continue to execute the next block so that the feedrate will not change excessively Acceleration deceleration is independently performed on both axes axes X and Z and their feedrates changes between blocks resulting in the discrepancy between the actual path of the tool and programmed path For example if the tool only moves along axis X in a block and along axis Z in the next block the movement in the direction of axis X starts to decelerate near the angle Meanwhile it starts accelerated movement in the direction of axis Z The actual path 33 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming of the tool is as indicated in the figure below Programmed path Actual path ofthe tool In arc interpolation the actual arc radius is less than the programmed on see the Appendix The deviation may be increased by minimizing the time constant of acceleration and deceleration 3 4 7 Automatic angle adjustment Tool cutting is subject to overload if the tool performs the rough machining with tool compensation in inner angle and inner arc area at programmed feedrate T
82. annot be used for additional axes 3 5 18 Skip function G31 The G31 followed by a move instruction is capable of instructing linear interpolation as G01 If skip signal is input form the outside in the midway of the instruction the remaining part of the instruction will be interrupted and the next block will be executed G31 instruction is one off and only valid in the instructed block The movement after skip signal depends on whether the next block is incremental or absolute The next block is an incremental instruction To make incremental movement from the break point Example G31 G91 X100 0 Y50 0 h i Actual movement ____ When no skip 5D 0 signal is input Input skip signal here SW a The next block is an absolute instruction only one axis The axis instructed in one block moves to the instructed position while those not instructed remain in the positions input by skip signal Example G31 G90 X200 0 Y100 0 63 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Y 100 0 i i Actual movement No input of skip signal Input skip signal here X 200 0 2 The next block is an absolute instruction to instruct 2 axes The next block moves to the instructed position wherever skip signal is input Example G31 G90 X200 0 X300 0 Y100 0 4 Actual movement Movement without skip signal 100 Input skip signal here e 300 100
83. atic measurement in skip function applications is improved 3 6 Compensation 3 6 1 Tool length compensation G43 G44 G49 Using G43 Z H or G44 G43 G44 The end position of the axis Z move instruction is moved forward or reversely by setting the offset set in the offset storage Using this function may set the difference between the tool length estimated in programming and the actual one in service into the offset storage to achieve compensation without changing the program H instructs the offset set into the offset storage by instructing the offsetting direction with G43 and G44 Offsetting direction G43 Offset in direction G44 Offset in direction Whether in the situation of absolute or incremental instruction the offset specified by H codes and saved in the offset storage is added to the coordinates of the end point of the spindle move instruction for G43 and detracted from it for G44 The calculated coordinates become the end point of the coordinates It may be illustrated in the same way when axis Z move instruction is ignored as follows G43 G91 ZOH G44 The offset is positive for G43 and negative for G44 G43 and G44 are modal G codes and when instructed are always valid if no G codes in the same group are coded G 43 or G44 code is valid upon power on depends on parameter setting Offset specification 65 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programmin
84. ations and Programming 9 switches for skipping over selected blocks can be set on machine side by adding a digit 1 9 after the switching instruction of a block When a switch n for skipping over selected blocks is enabled the blocks with n will be skipped over Skip function G31 When G31 is followed by X Y Z the 4 or 5 axis instruction as same as G01 it is possible to make line interpolation If skip signal is input from the outside during the execution of the instruction the remaining part of the instruction stops executing and the blocks that follow will be executed Program restart When the sequence number to be restarted is specified the program will restarts from here Unidirectional positioning Positioning can only be performed in one direction in order to eliminate clearance and achieve accurate positioning Addition of the number of storable programs 96 programs can be added to the standard programs to reach 191 programs in total The tool path instructed in a program can be zoomed in a range of 0 001 99 999x Insertion of a manual tray The tool movement overlapping an automatic running instruction can be done only with the pulses of the manual pulse generator without processing interruption Automatic angle adjustment When cutting the inner side of an angle in tool radius compensation mode adjustment can be automatically added in the set area for processing at low
85. ble If is used note that its original meaning is not applicable Parameter No 0317 The special characters used by Macro A are as follows OR XOR IF GOTO EQ GT LTT GE LE The special characters used by Macro B are as follows AND SIN COS TAN ATANN SQRT ABS BIN RCD ROUND FIX FUP WHILE DO END 3 10 10 Restrictions 1 Usable variables 0 1 33 100 149 500 509 and system variables 2 Usable variable value Maximum 104 minimum 10 3 Rated numerical value used in lt Expression gt Maximum 99999999 minimum 0 0000001 Decimal point usable 4 Operational precision decimal 8 digits 5 Nesting degree of macro calling up to 4 levels 6 Repetition Identification number 1 3 7 Nesting of up to 5 levels 8 Nesting degree of subprogram calling up to 4 levels 9 The above mentioned functions User Macro B may perform all of them while A can only perform the following operations i The variables beyond the amount are applicable ii The following operations may be performed between variables OR XOR 190 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming iii IF lt Conditions gt GOTO n is applicable iv Simple calling and modal calling are possible 3 10 11 Descriptions for P S alarm Alarm No 004 Addresses are not found in proper positions Example X1 1 No 00
86. bles Axis B to reversely rotate Clamping DO End of clamping DI Positioning check is always performed at the Point A when the above indexing sequence A B is selected by parameter setting Note 1 Clamping or releasing signals are cleared when the NC is reset in the waiting state after clamping or release NC unit then completes the waiting state and enters into reset state Note 2 In clamping or releasing mode these states remain unchanged even the unit is reset namely the sequence of release or clamping cannot be automatically executed through reset but clamping are releasing signals are cleared Note 3 The waiting state after clamping or releasing is displayed in diagnosis mode display state DGN701 BCNT 3 12 5 Jog step handwheel Operations in Jog step handwheel mode cannot be performed for Axis B However it may return to the reference point in Jog mode Travel stops once the axis selection signal becomes 0 when manually returning to the reference point Clamping instruction is not performed In order to avoid the problem set the sequence program on the machine side so that the axis selection signal will not become 0 before returning to the reference point 3 12 6 Other cautions 1 The indication of the actual position on the screen of LCD indication of external position and the indication on the screen of COMND have a decimal point Example B180 000 2 Whether the internal absolute coordinates o
87. called a block Blocks are distinguished from each other by end code As described below end of block code is indicated with a For example XXXX XXXX XXXX Note 1 The maximum number of characters a block is not limited in Note 2 End of block code CR for EIA codes and LF for ISO codes 3 2 2 Program word The elements composing a block are program words The program word below consists of an address and a subsequent figure A and a can also be added before the figure uae Address Figure Program word An address is indicated with a letter among A Z An address determines the meaning of its subsequent figure The addresses that can be used in an NC and their meanings are as follows An address may have different meanings depending on different instructions of preparation 14 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming function in a program Name Address Meaning Program No ISO O EIA Program number Sequence No N Sequence number Preparatory function G Instructed move mode linear arc etc Coordinate word X Y Z Move instruction of coordinate axis A B C U V W Move instruction of additional axis R Arc radius Coordinates of arc center Feed function Designation of feedrate Spindle function Designation of spindle rotational speed Tool function Designation
88. ce between P2 and P is small P3 will be ignored Now the tool path is as follows PO0 P1 P2 P3 P4 P5 P6 P7 The arc cutting instructed by block N6 will be ignored General cautions about compensation a To specify offset The D codes that are specified with an offset number instructs offset Once they are specified the D codes will remain valid until another D code is specified or they are cleared Besides that D codes are used for the offset of tool radius compensation they are also intended for specifying the offset of tool position offset If both tool compensation G41 G42 and tool offset G45 G48 are included in a block No 36 alarm will be given 100 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming b c To change offset In general if offset is changed during tool change in offset cancellation mode the vector of the end point of the block is fit for the new offset Calculate from the offset value of block NG Calculate from the P ET offset value of block N7 NG oe 16 Positive and negative offsets and tool center path A negative offset is equivalent to the exchange of G41 and G42 in the program If originally the tool center moves along the exterior side of a workpiece now it will move along its interior side vice versa The figure below is an example In general offset is programmed as a positive value When the offset is negative
89. cified by the 5 digits following address S The unit of spindle speed up to 30000r min is set by the manufacturer of the machine 3 8 2 Constant surface speed control When surface speed the tool speed relative to workpiece is specified after S instruction the constant speed control function always keeps surface speed unchanged with the change of the tool position and supplies a control voltage corresponding to the calculated spindle speed so that the spindle may rotate at correct surface speed The units of surface are as listed in the table below Input unit Unit of surface speed M Metric system m min Inch Inch system Inch min The units of surface speed may vary depending on different manufacturers 134 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 8 2 1 Instructed methods The following G codes are specified for the control of constant surface speed G code Meaning Unit G96 Constant surface speed control ON m min or inch min G97 Constant surface speed control OFF To exert constant surface speed control it is necessary to establish a workpiece coordinate system so that the coordinates of center of the rotation axis are 0 the axis that exerts constant surface speed control The axis for constant surface speed control may be selected through programming instruction 1 G96P 3 a 4 P ereina Constant surface speed control is designated to axis X Pe Ricca A
90. compensation plane 2 1 1 The 2 NC statement is also not a block without travel The statements after the first NC statement following the executing block are executed Example 3 3 N1 X1000 Executing block N2 10 100 Executed macro statement N3 Y1000 The first NC statement N4 11001 Executed macro statement N5 1 10 Executed macro statement N6 X 1000 The 2 NC statement Execution of N4 N5 Macro statement N1 Execution of NC statement 2 1 2 The 2 NC statement after the executing block is a block without travel The statements after the 2 NC statement i e block without travel following the executing block are executed Example 3 4 N1 X 1000 Executing block N2 10 100 Executed macro statement N3 Y 1000 The 1st NC statement N4 1100 1 Executed macro statement N5 1 10 Executed macro statement N6 Z 1000 The 2nd NC statement N7 1101 1 Executed macro statement N8 2 20 Executed macro statement N9 X 1000 The 3 NC statement Execution of N4 N5 N7N8 Macro statement N1 Execution of NC statement 172 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 2 2 The first NC statement following the currently executing block is a block without travel The macro statement cannot be executed Example 3 5 N1 Y1000 Executing block N2 1100 1 Executed macro statement N3 1 10 Executed macro statement N4 Z 1000 The 1st NC statem
91. cro oo cece cs eesetetetcecececeeeseseseseseeeeteeeeees 186 3 10 8 The relationship with other functions 2 0 cece eeeseseseseseseseseecsensnseseseseaescaeseseeesesceeeesesenenens 187 3 10 9 Special codes and words used in USEF programs eeeeesesesesesesesesesesesesescsceeeeseseeceeeeeesenenens 189 DELO RTO RESUICUONS ASE a a EAE E EA Mes inca totter ba aehtasee eae 190 3 10 11 Descriptions for P S alarm oo eeececsesesesssssssseeeseeesceceesesesesesenenensncnensnseseseseseseaeeeeeeeeseeceeeesesenenens 191 3 10 12 Examples Of user MACIOS 0 0 eeeeesesesesesessseeeeeeeeecececeesesesesenenssssenensnsacseaeaeseseaseseesesceeecseseseaees 191 3 10 12 1 Groove MACHINING 203 3250 deed seen RE R E ei eee 191 3 10 13 External output instructions oo eee cececeseeeesescsceeesesesseecsseceseseseesenseceaceesececseeaeaceeeeseneeatateeeeees 193 3 10 13 1 OPEN instruction POPEN kerine enei r AER EE teeta 194 3 10 13 2 Data output instruction BPRNT DPRNT oc ceeeecescsceceseseeseecseeesesceeeecaeeensteeeeeeeneeees 194 3 10 13 3 Close instruction PCLOS chi ii anena e E E tn ten eet 195 3 10 13 4 Necessary settings for using the function 0 cece ceeseseseeeeeceseeeseseseseseseeeeeteseees 195 3 10 13 5 Cautions cite cette eden seed sine esi EE OE a Ea teen eee sare awe eee nie 195 3 10 14 Macro interruption function Macro B cece cccccccesesesesesesesesesescececeseseseseseseseseeeseseseeeeeseseaeaens 196 3 11 TOOL Life Manage Ment iccic scisss
92. ctions of return to reference point After the G30 instruction G29 instruction positions the cutting tool to the specified position through the intermediated established by G30 instruction Its movement is the same as the situation of specifying G29 instruction after G28 instruction When the G30 instruction s normal position of automatic tool change ATC varies from the reference point the G30 instruction is as follows if 3 axis link function is provided G30a B r The addresses a 8 and r shall be selected from X Y Z and additional axes A B C U V and W However additional axes can not be concurrently controlled along with one the three basic axes if additional axis concurrent control function is not selected The following instruction may be used when 4 axis gang control function is selected P2 cao P3 fo pire P4 Where a B r 6 X Y Z A B C U V or W Note After switching on it is necessary to manually or automatically return to the reference point once G28 before executing the G30 instruction Dwell G04 G04X t or G04P t Either of the above methods may be used for hold After executing the previous block It is necessary to wait for t seconds before executing the next block The maximum instruction time is 99999 999s and time error is about 16ms Example To suspend for 2 5s G04 X2 5 or G04 P2500 Address P does not program with a decimal point 55 GSK983M Milling CNC System O
93. d E aes ee ene 41 3 5 3 Unidirectional positioning G60 oo cececcessssseeeseseseeeecsesesesenenenenenenenssseseseseseaeaeeeeeeeeeeseeeeeseseaenees 42 3 5 4 Linear interpolation GO1 oo eeeseesesesesesesesssessseeesescsescsescsesesenensnsssssnenasseseaeaeaeaeseseseeeeeeececeeseseaeaees 42 3 5 5 Arc interpolation G02 GO3 oo eeecesesesessseseeeeseseeeseseeesesesesesenenenenenensnacscaeacaeaeseseseseeseececeeseseneaees 44 3 5 5 1 Arc interpolation without any additional AXIS ee cccceseeeeeeeeceeeeeseseeeeseneeeeaeeceeeeeaeeeeatees 44 3 5 5 2 Arc interpolation with an additional AXIS eeeeeceseseseeceseeeeeeecseeceseseeeeeeseeeeaeeeeeseaeeeeatees 48 3 5 6 Sine curve interpolation eee eececeseseseseseseseseseseeeseseseseseesesesesenensnensnensnssseseseseaeaesesseeeesesescecsesesenens 48 3 5 6 Thread Cutting G33 sc ant cnneniied R E Ben and ahah owe eoanedl antes 49 3 5 8 Automatic return to reference point reference positions G27 G30 ceeceeeeereretees 51 3 5 8 1 Check of return to reference point G27 cccceccceseseseseseseeeseseseseneneneneensnseseseaeeeseeeeeeeeees 51 3 5 8 2 Automatic return to reference point G28 cece ccccsesesesesceeeesesesenensseseneesnseseseseeeseeeeeeeees 52 3 5 8 3 Automatic return from reference point G29 ccccceccseseseseseseseneeeenenseseseseeeeeeetseeteeeees 53 3 5 8 4 Return to the 2nd 3rd or 4th reference point G30 oo ceceseteeeeeeeeeeseseseseeeteteteeeteeeees 55 3 5 9 Dwell GO4
94. d by parameters A feedrate may be selected from 0 to 200 by setting the override of feedrate to 10 as a step The unit of feedrate may be changed to 0 01 mm min 0 001 mm min or 0 001 inch min according to parameter setting Automatic acceleration deceleration GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Both manual rapid traverse and automatic rapid traverse are performed in linear acceleration deceleration mode so as to reduce positioning time Absolute incremental value instruction Coordinate system setting G92 G codes may be used to select absolute or Incremental programming G90 Absolute programming G91 Incremental programming When the instruction value for subsequent axes of G92 is used to establish a coordinate system the actual position of cutting tool will become the instruction value for the coordinate system Positioning GOO All axes individually move to the end point rapidly and decelerate until stop through instruction GOO and the machine performs positioning whether the machine reaches the instructed position detection by parameters setting Linear interpolation G01 Linear interpolation may be conducted at the feedrate specified by F codes using instruction G01 Buffer register When executing a block the unit reads the next one in buffer register in advance In this way the intermittence of the NC instruction operation caused by
95. d rotation J i a PointR i Point R i GS p gt Point z T gt Point z Spindle accurate stop Move the tool Travel 8 Directed by Address Q Hold OSS Oriented spindle stop spindle stops at a fixed point gt Tool motion iin Rapid traverse gt Cutting feed n Manual feed d is set by parameter Note 1 G76 can be used only when the output M codes set by parameter No 009 BIT7 FIX2 120 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming are used as the output signals for spindle reverse rotation spindle forward rotation and spindle accurate stop It is possible to accurately and efficiently perform hole machining and not to damage workpiece surface by stopping the spindle in oriented position at hole bottom and then removing the tool bit after it offsets for departing machining Offset is specified by the address Q always positive The minus sign will be neglected if a negative number is used An offset direction shall be preset between X Y and X Y by parameter No 022 BIT4 5 PMXY1 2 Note that Q value is modal in a fixed cycle mode and indicates the cutting depth in G73 and G83 Even at the hole bottom address and J may specify offset for the tool Axes X and Y moves using linear interpolation according to parameter No 022 BIT6 SlJ setting and replace Q with the incremental value specified by and J Hence
96. d traverse Linear interpolation feed Arc interpolation CW clockwise Arc interpolation CCW counterclockwise Hold Speed sine curve control specified imaginary axis Accurate stop detection Offset setting workpiece zero offset setting To select XY plane To select ZX plane To select YZ plane Input in inch Input in mm Storage travel limit ON 38 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming G23 Storage travel limit OFF G31 00 Reference point return check To return to reference point To return from reference point To return to the 2 3 and 4 reference points To skip over cutting 01 Thread cutting 07 To cancel tool compensation Tool compensation left side Tool compensation right side 08 Forward compensation of tool length Reverse compensation of tool length To cancel tool length compensation To increase tool offset To reduce tool offset To increase tool offset by twice To reduce tool offset by twice Zooming OFF Zooming ON To select workpiece coordinate system 1 To select workpiece coordinate system 2 To select workpiece coordinate system 3 To select workpiece coordinate system 4 To select workpiece coordinate system 5 To select workpiece coordinate sys
97. e 4 axis is linear or rotary may be set by parameters The address of the 5 axis can be designated as U V W A B or C It is possible to specify whether the 5 axis is linear or rotary by parameters Number of concurrently controllable axes Standard 3 axis 3 link The following configurations are also available upon customer s request 4 axis 3 link 4 axis 4 link 5 axis 3 link and 5 axis 4 and link Incremental system Min set increment 0 001mm 0 0001 inch 0 001 Min entered increment 0 001mm 0 0001 inch 0 001 The minimal increment entered in accordance with parameter setting metric system may be 0 01mm Bit detecting device Max instruction value Pulse encoder 99999 999 mm 9999 9999 inch 99999 999 Input format Changeable block character and address formats are employed Decimal point programming It is possible to enter numerical values including a decimal point The addresses that may include a decimal point are X Y Z A B C U V W I J K Q R and F Rapid traverse Axial speed can be up to 24 000m min or 960 inch min In addition rapid traverse speed may be changed to FO 25 50 or 100 using rapid traverse override optional Miscellaneous function Bit M2 Feedrate can be set within the following ranges 1 mm min 15 000mm min and 0 01inch min 600 00 inch min It is possible to set the upper speed limit of cutting fee
98. e example is as indicated in the figure below Axis 4 a s End point 1H f i Bk t Axis X Origin 1M 2H The control over the override of the rapid traverse speed can be achieved with the switch on the operation panel of the machine FO 25 50 100 FO shall be determined by setting parameter No 113 SPDFL and its unit shall not be indicated in percentage but mm min or inch min 3 4 2 Cutting feedrate The cutting feedrate shall be specified in the form of the distance per minute The feedrate is 30 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming specified as follows with F codes F1 1mm min 0 01inch min F15000 15000mm min or F60000 600 00 inch min The feedrate is restrained to the upper limit According to the upper limit the manufacturer of the machine sets feedrate by parameter No 106 FEDMX or exerts override restraint from 0 to 200 10 each step with the switch on the operation panel The control over upper limit speed is also effective for override feedrate The means of specifying feedrate with F codes is also applicable for the axis of rotation Example To input in metric system F050 To input in Inch system F032 When inputting in metric and Inch system s decimal point may be used for inputting and it is located in the position of degree min To input in metric system F12 0 12 degree min To input in Inch system F12 0 12 degree min To
99. e numbers are applicable for the programs that can be freely saved cleared and edited O8000 O 8999 The numbers cannot be used for the programs for saving and clearing way edition without the setting of relevant devices 169 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 4 09000 O 9019 The numbers are applicable for calling type special macros 09020 O 9899 The numbers cannot be used for the programs for saving and clearing way edition without the setting of the parameters 5 09900 0 9999 The numbers are applicable for robot operational programs Fictitious variable the variable that macro calls in instruction to receive data are fixed namely the addresses of the specified parameters correspond to macro body number through macro call instruction Example 10 6 1 O 9081 G 00 X 24 Z 18 G 01 Z 26 G00 Z ROUND 18 ROUND 26 M99 Z 24 18 26 3 10 6 2 Storage of user macro body A macro is a subprogram and is stored and edited in the same way as a subprogram Its storage capacity is set with that is combined with a subprogram 3 10 6 3 Macro statement and NC statement The following block is called macro statement i Operation instruction including block ii Control instruction including block GOTO DO or END iii Macro call instruction including the blocks of the macros called by G65 G66 G67 and G codes 170 GSK983M Mil
100. e of malfunction of speed control Self diagnostics unit To give an alarm in case of malfunction of the memory To give an alarm in case of malfunction of ROM and RAM To give an alarm in case of malfunction of the microprocessor 3 Status display a To display the status of NC on LCD b To display the status of I O on LCD Once the instructions of 2 digits following S and T are instructed S function T function the code signal of BCD2 bit may be sent out while codes S and BCD2 bit T ad other codes are individually output They are reserved until the following S and T are instructed GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 50 S4 Bit binary 12 bit output A S4 Bit analog output A The binary 12 bit or analog voltage corresponding to the speed of principal axis is output to the machine side The analog voltage is up to 10V 2mA and the speed r min of principal axis is directly specified by S4 Bit The speed of principal axis may be regulated in the following range depending on the contact signal on the machine side 50 60 70 80 90 100 110 and 120 51 S4 Bit binary 12 bit output A S4 Bit analog output B When the speed r min of principal axis is directly specified the voltage for the current speed of principal axis is output by the presently selected gear numbers 1 to 4 The switching of gear is performed in a heavy current circuit resulting
101. e optional including 32 amounts of offset for tool length compensation and tool position offsetting The offset depends upon the D instructed in program and the number of digits is set with MDI LCD The range of programmable offsets is as follows The offset corresponding to No 00 or DOO is always 0 So the offset corresponding to DOO need not be set 74 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 6 3 3 Offset vector Two dimensional offset vector is equal to the vector of the offset specified by D codes It is determined in the control unit and its direction is duly corrected in accordance with tool feed of all axes The offset vector hereafter called vector is generated in the control unit so as to determine the amount of tool offsetting movement and calculate the actual path that the tool radius offsets from the programmed path The offset vector will be cleared away by reset The vector changes with the movement of the tool It is very important to know the status of the vector during developing a program Please read the following sections and carefully make certain how the vector is generated 3 6 3 4 Plane selection and vector The calculation of offset is performed in the plane established by G17 G18 and G19 which is called offset plane For instance X Y or I J is used to calculate the offset as well as vector when XY plane is selected The coordinates of the ax
102. e system and origin of processing A workpiece coordinate system needs to be used when a program is sent to the NC The cutting tool starts motion from the origin and the program starts from the origin but the NC always need to know the coordinates of the cutting tool at the origin through G92 instruction coordinate system setting Z i 50 0 Origin ne 30 0 40 0 X G92 X40 0 Y30 0 Z25 0 3 3 6 Workpiece coordinate system Several workpiece coordinate systems are needed when the mounting positions of the several trailing bars for the machine are different In this case the 6 coordinate systems preestablished on the machine may be selected with 6 G codes G54 6G59 and the following programs are executed in the selected coordinate system All coordinate systems shall be determined with the set distance between a reference point a fixed point on the machine and their respective origins of coordinate workpiece origin offset See the following diagram for details Refer to Section 4 4 13 for the setting method of workpiece origin offset 27 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 7 a Workpiece coordinate system offset It is not necessary to establish a coordinate system with G92 instruction when the above mentioned workpiece coordinate system is used Concurrent use of G54 G59 and G92 may substitute the coordinate system established by G54 G59 Therefore u
103. ecified by address R is valid and other I J and K are ignored 47 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 5 5 2 Arc interpolation with an additional axis The arc interpolation with an additional axis is allowable An axis X Y or Z shall be set to parallel with the additional axis by parameter setting If the additional axis does not parallel with any axis arc interpolation will be impractical G code for plane selection shall be specified for arc interpolation An address of an axis is specified with the G code for plane selection so as to determine the axes performing arc interpolation Example Assuming that additional axes U and W parallel with axes X and Y respectively A GITX Y 2 cece XY plane b G17U Y eee UY plane U parallels with X C GINS nia ee ee XY plane d Gti aes XY plane e G17 X Y U Alarm f G18X W ee XW plane W parallels with Z Addresses J and K may also be used to specify the center of the arc This is similar to the arc interpolation without any additional axis The addresses J and K are used for the axes parallel to axes X Y and Z The arc interpolation specified with R is also valid 3 5 6 Sine curve interpolation In spiral cutting instruction sinusoidal interpolation is realized by specifying an arc instruction axis not to move during arc interpolation The imaginary axis is specified as follows G07a0 S
104. ection a or there is a pair of vectors at the beginning of verification and interference arises the system will give No 41 alarm and Sto K bal i i stop after the completion of the previous block Tool nose center path Programmed path K V2 V5 Interference V1 V6 Interference Though vectors V2 and Vs are neglected due to interference interference will arise between V and Ve Now the system gives an alarm and stop 107 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 Verification is performed even actually no interference arises See the following examples a Concave depth less than tool compensation Programmed Toolnose path center path l a Stop here mies 5 wail AX een A c Though actually no interference occurs the tool stops due to No 41 alarm because the direction of tool path after tool compensation differs from that of programmed path b Groove depth less than tool compensation Programmed Tool nose path center path Stop here a ia N It is similar to a and the direction of tool path differs from that of programmed path 12 Instructions input through MDI Compensation is not applicable for the instructions input through MDI However the tool path is as follows after the use of the programmed operations constituted of absolute instructions dwell of execution of single block performing of MDI operati
105. ed by Note 2 are concluded and those specified by V V V V are started f 99 The tool offset specified by valid group number 00 Cancellation of tool length offset 99 The tool compensation specified by valid group number 00 Cancellation of tool compensation To use the tools set by AAA A after the next M06 instruction Tool end number V V V V and tool start number AA AA End of machine program M02 M30 Note 1 It is set by tool life administration invalidation number AAAA from T 0 0 0 0 to TAAAA as common T code instructions without tool life administration When T tool code AAA A plus group number is specified the tool life administration of the concerned group is administrated Tool life administration invalidation number is set by parameter For example when the value is 100 T0000 through T0100 will be output as common T codes When T0101 is specified the T codes of the tools in No 1 group that have not reached their service life will be output Note 2 The above program format is used for tool return number instruction mode Tool return instruction is required for tool change It is not required for other instructions After that the T codes of MO6 can be neglected Now the similar tool change operation is performed as above The following is an example of the program format whose tool life administration invalidation number is 100 in a to
106. ed to touring may create a block The data saved in control unit as modal value through the instruction data and related to the machining in a fixed cycle shall be instructed in the following format G X _ Y _Z2 _ R _a _ PF __L aaa et ae er eee Hole machining mode Hole position data Hole machining data Cycle times Hole machining mode G See Table 7 2 Hole position data X Y Hole position is specified by an absolute or incremental value Whether the selection of tool path and feedrate will follow group 01 G codes G02 and G03 are regarded as G01 or unconditionally follow GOO shall be determined by parameter No 009 BIT3 FCUT Hole machining data Z It is necessary to specify the increment of the distance from point R to hole bottom or the absolute coordinates of hole bottom The feedrate of the operation 3 in Fig 7 2 1 depends on F codes Operation 5 feeds at rapid traverse positioning rate or the speed specified by F codes depending on different drilling modes R R specifies the incremental value of the distance from the initial point plane to point R or the absolute coordinates of point R The feedrate in operations 2 and 6 is a rapid traverse positioning rate Q The depth of each machining is specified in G73 or G83 mode and travel value in G76 or G87 fixed cycle II mode It is always an incremental value P To specify the dwell time in hole bottom The
107. eeeeeesenenens 132 3 8 Spindle Function S function Tool Function T function Miscellaneous Function M function and Secondary Miscellaneous Function B function sse0 133 3 8 1 Spindle function S FUNCTION oo ce ceseeeseseseeeeeeeeseeeeeeesesesesenenessnenensnscseseaeaeseaeseseeesesceesesesenenens 134 IG kS 2 dIGitS sux cath age ini A A ee han seed ee ae ana a ohne ae Meese 134 3 8 AZSA digits n a a ashes ee idm niobate onl alennaainde 134 3 8 2 Constant surface speed control oo ccc ceeeesssseseeeeeeseseeesesesesenenensnssenensseseseseaeeeeeeeensesesceesesesesenens 134 3 8 2 1 Instructed methods m srsti aa a anes A steiei ny demas OTE dapat eee 135 3 8 2 2 Spindle Speed izi s 2 sseisse A eed cea SL SL A N 135 3 8 2 3 Restraint of maximum rotational speed Of spindle oo eee eceeeeeeeeeeeeeeeeeseseseseeeteeeteteees 135 3 8 2 4 Rapid traverse positioning GOO eseeessssessseeeseseeeeeseeesesesenenensscscnenseseseaeaeaeeeeeeeees 136 3 8 3 Tool FUNCTION T FUNCTION eeeeceseseseseseseseseeeeeeeeeeeescecsesesesesenenssssenensnsseseseseseaeeeseseeseeeeeeeseseneaens 137 3 8 4 Miscellaneous function M FUNCTION eee ccc eceseseseeesesesesenenessscsenseseseseseseseaceeseesesescsesesesenens 137 3 8 5 Secondary miscellaneous function B function 0 ee eeeceseseseceeeseseseseseseseecseeeeeeseseeesesenenenens 138 3 9 SUDPOG raMM ovsssscsssdccsccctvsuassisscctecccosevoastocevendsoscendes todesnsudscouscvdesesdsvesdesos
108. enenssaaeaeaeaeseseseseeeeeeceesesesenenenenenenens 203 3 12 The Indexing Function of Indexing Worktable sscccscscssscssccsscsessssccssscssssesesessssseee 203 3 12 17 Instructing Methods ccs cence a RE AE EEEREN RA REAR ete we 203 SZ eA IMDUUUNIC Gs os 2 asst tk ot ati steth hie wceree theca inate dee aaain niet tune ones 203 3 12 1 2 Absolute incremental instruction 0 ccc ceeessesseeeseeeeceeeeesceesesesenenencscseneseseseseaeaeaeeeeeeees 203 3 12 1 3 Concurrently controlled axes oo eececeseseseseseseseseseseeeeeceeeceesceesesesenenenesssenenseseseaeaeaeaseeeeseees 204 3 12 2 Minimum travel unit 0 001 degree Pulse ne eccccceesesesetseseseseseseseseseseseseseeeeeesesesceeeesesenenees 204 De VZES IE COOlALS NS cco te aces E eat eh Nt a Gates NN leet ht ete hee Nels ieeen Ndi 204 3 12 4 The clamping and release of indexing Worktable ccceeseseseseseseseseteeeeteeeeeesesesesceesesesenens 204 3 12 5 JOG Step NANAWNEEL ccececeseseseseseseseseseseseseseseseeseseseceesesesesesenensssnenenenseacseaeaeaeseseeeeeseseseeeeeseneaens 205 312 6 Other Caution Senn n distal ce pea ed dee esi Nea 205 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 1 GENERAL 1 1 Overview As a high accuracy and high performance closed loop CNC system with firmware GSK983M milling CNC system hereinafter called System was newly developed and launched by GSK CNC Equipment Co Ltd to sat
109. enerated at the end point of a block the tool makes line motion from one vector to the other If these vectors almost coincide corner movement will not be performed and the following vectors will be ignored AVES AV fAVz AV The vector will be ignored If AV lt AV limits or AVy lt AV limits the vectors that follow will be ignored AV limit shall be preset by parameter No 069 CRCDL If these vectors do not coincide movement around the angle will be caused The movement is included in the blocks that follow 99 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming mA The movement is included in block N7 Therefore feed rate is identical to the 11 A speed instructed in N7 If black N7 is in A E GOO mode the tool will move at quick ji S speed When itis in G01 G02 or G03 j N mode the tool will travel at feed rate A 3 46 NP Note 8 If the path of the next block is an arc over a semicircle however the above mentioned function cannot be achieved The cause is as follows P2 p3 P4 p5 AASIAA ANON N4 G41 G91 GO1 X1500 Y2000 a o Sp N5 X1500 Y2000 A SAE NEN N6 G02 J 6000 SA ey N7 G01 X1500 Y 2000 i f MO N8 G40 X1500 Y 2000 l i t i I i 4 i Path oftool i Programmed path i nose center If the vector is not ignored the tool path is as follows Po P1 P2 gt P Circumference P4 P5 gt Ps gt P7 If the distan
110. ent the block without travel N5 1101 1 Executed macro statement N6 2 20 Executed macro statement N7 X 1000 The 2 NC statement Execution of NC statement N1 3 10 7 Macro call instruction Macro may be easily called from a single block or modally from each block by means of calling 3 10 7 1 Simple calling The macro body specified by P programmer is called during the execution of the following instruction G 65 P program number L Number of repetitions lt independent variable assignment gt When an independent variable is required to change to macro it is set by lt independent variable assignment gt The following two types of lt independent variable assignment gt may be set The independent variable herein is the actual numerical value assigned to a variable Note G65 shall be always specified before independent variable in a block Minus sigma and decimal are usable and independent of the address in lt independent variable assignment gt Independent variable assignment ABe C B Z An independent variable other than G L N O and P may be assigned to other addresses An address needs not to be assigned alphabetically but specified in the format of words The 173 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming addresses that do not need to be specified may be neglected The use of I J and K shall always be assigned alphabetically B_A D K____True
111. er searching Program number searching It is possible to search the sequence numbers in the currently selected program with the MDI LCD panel It is possible to search the program numbers of 4 digits following O with the MDI LCD panel GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming It is this function that compensates the lost amount of movement Clearance compensation of the machine The amount of compensation is set in the minimum amount of movement within 0 255 by parameters The function disables the display setting and editing of the Program key locking program with a program number of 9000 9899 by means of key locking 1 Ambient temperature 0 C 45 C for operation and 20 C 55 C for storage and shipment 2 Relative humidity lt 90 without condensation lt 95 40 C Environmental 3 Vibration conditions Less than 0 5G for operation and 1G for storage and shipment 4 Ambient air To install an NC in an environment with high density of dust machining fluid and organic solvent contact the manufacturer 1 Servo system a To give an alarm when the error of the error register goes beyond the setting in halted state To give an alarm when the value of the error register goes beyond the maximum setting To give an alarm in case of malfunction of positioning detection system To give an alarm when the drift voltage is excessive To give an alarm in cas
112. ers center along axis X Y or Z or an axis parallel to them 3 3 1 Controllable axis The kinematical axis of a machine under the control of the NC system is called controllable axis Each control shaft is recalled with the dimension word address of the control unit The number of axes that can be controlled by the NC system may be 3 axes X Y and Z and can be added to 4 or 5 An additional axis may use any address among A B C U V or W A B and C are recommended for axis of rotation and U V and W for linear axis 2 standard axes can be controlled in a block at the same time The number of concurrently controllable may be increased to 3 or 4 by means of additional selection Separate control of additional axis is only used for 3 axis link The selection of additional axis gang control function enables the link of 2 or 3 additional axes If 3 axis gang control function is selected it is not necessary to select additional axis gang control function any more Number of concurrently controllable axes Concurrent Number of Selection of Number of Concurrent selection of 3 axes Concurrent controllable concurrently i standard selection Concurrent selection of axes controllable s axes of 3 axes control selection of 4 axes additional axes ne additional axes 23 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 1 Note 2 Note 3 4
113. es Macro call instruction G65 P9100D address The macro body is required as follows 09100 1132 1132 AND496 OR 7 To deliver the address G65 P9101 T60 Time macroinstruction 100 BIN 1032 AND 4095 To read 3 digit BCD data IF 1012 EQO GOTO 9100 With symbol 100 100 N9100 M99 Eight types of 6 digit BCD data 3 digits on the left side of decimal point 3 digits on the right of decimal point with symbol are read to 101 through address change When D02 0 3 digits on the right of decimal point 1 3 digits on the left side of decimal point When D02 2 000 No 1 data 001 No 2 data 111 No 8 data Macro call instruction G65 P9102 D data number User macro body is required as follows 09102 G65 P9100D 7 2 101 101 100 1000 M99 Tool offsets 2000 2200 workpiece offsets 2500 2906 Tool offsets use system variables 2001 2200 while workpeice offsets 2500 and 2906 151 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The offsets are established by reading these variables and changed by assigning values to the system variable 1 Tool offset No Tool offset 1 2001 2002 2003 2000 is readable but its numerical value is always 0 Workpiece offset numbers External workpiece offset G54 Workpiece offsets External workpiece off
114. es beyond the offset plane are not under the influence of offset but follows instructed value in the instruction In 3 axis gang control the tool path projected on the offset plane is compensated Plane selection switching shall be performed in the mode of offset cancellation No 027 alarm will be given if plane selection switching is performed in offset mode G codes Offset plane G17 X Y plane G18 Z X plane G19 Y Z plane To set an offset plane with an additional axis it is necessary to preset which one in axes X Y and Z that the additional axis parallels with by parameter When none axis it parallels with the offset plane cannot be defined While setting the offset plane with an additional axis the additional axis shall be instructed at the same time with the G codes i e G17 G18 and G19 a G17 X_Y_ XY plane b G1I7U_Y_ gt UY plane U parallels with axis X C G17 Y_ XY plane d GI ariran XY plane e G17 X_Y_U_ gt Alarm f G18 X_W_ gt XW plane W parallels with axis Z 3 6 3 5 G40 G41 and G42 G40 G41 and G42 are used to specify the cancellation and generation of a tool radius 75 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming compensation vector To determine the direction of an offset vector and the moving direction of the tool G40 G41 and G42 may be instructed concurrently with GOO G01 G02 or G03 G codes Func
115. escscucnseseseseaeaeaseeneess 147 3 10 4 Operation instructions oc eeeeececeseseseseseesesesseeeeeseseecececsesesenensnessscnsnsnsescseseseaeaeseeeeseeceeeeseseneaens 160 3 10 4 1 Definition and substitution Of Variable oo cece esesecesescseseseseneneneecseenseseseaeseeeseeeteneees 160 3 10 42 Additive operation ccaiyeecasca ant se ade ees ee ee 160 3 10 4 3 Multiply operation Macro B Option ecccececcesssssseesesesesesesesesesenenensecseneseseseseaeseaeeeteneets 160 3 10 4 4 Function Macro B Option siseses ii 160 3 10 4 5 Hybrid Operatlon 2 s 224 siiact ara ticketed ntahaeed tick Riedie haved Aud OE 161 3 10 4 6 Changing operational order USING Jou ceeesesceessseseseseseeeseseseneneneecscnenenseseseaeaeaeeeeeeneees 162 DANO ACT ACCUPACY whats ce aces te NC Sess i a oho a OA ot a sagen cts 162 3 10 4 8 Cautions regarding deterioration Of precision cee ececesesesetetcececeseeeseseseseetetseeeeteees 162 3 10 5 Control INStrUCtONs2 s aceta schol T HR ec he Mes 163 3 10 5 1 Branch GOTO ran act dint di rained ees eee eS 163 3 10 5 2 Repeat how to select Macro BB eeeeesesesesesstseseseseseseseeesceesesesenenenessnenenseseseaeaeaeaeeeeeeees 165 3 10 6 Creation and storage Of user macro body oo ec cccceeseteeeseseseeeseseseseseseseseseeeeeeseseeeeesesenenens 169 3 10 6 1 Creation Of user macro DODGY ceeesecesesesesesesesetseeesescseecsesceesesesenensnsscseneseseaeaeieaeaseeeseees 169 3 10 6 2 Storage Of USEF macro bod
116. ess 4 It is necessary to select Macro B and I O interface for the function 3 10 14 Macro interruption function Macro B If a interruption is input for NC between M96 PX X X X and M97 blocks control will go to PX X X X program M96 Pxxxx l Interruption O xxxx M99 POCOO m _ _ Setting M99 program returns from the original program The sequence number of the original program returned to may be set with address P Note 1 Refer to Appendix 11 for the details of the functions of macro Note 2 Make sure to refer to the operation manual supplied by the manufacture of the machine when using this function 3 11 Tool Life Management Tools are divided into serial groups Specific tool life in time or number of cycles is specified for each group The so called tool life management function refers to the capability of totalizing the tool life of all groups in service and replacing a tool in the predetermined order in the same group 3 11 1 Setting of tool groups The order of the tools in each group and the life of each tool are preset in the NC device in the following format Format Meaning Program number To set the beginning of tool groups What follows P is the group number of N01 128 196 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming TAAAAH OOD TAAAAH OOD TAAAAH OOD
117. etc of the RS232C interface for one of No 310 to 313 parameters according to the above output unit predetermined for No 341 parameter 3 Set the ISO codes as output codes 4 Set No 315 parameter so as to determine whether to put space for the preceding 0 when outputting data with DPRNT instruction AE EA EE 7 6 5 4 3 2 1 0 The leading zero is treated by PRT DPRNT instruction as follows during the output of data 0 Output space 1 Not output 3 10 13 5 Cautions 1 It is unnecessary to continuously set the open instruction POPEN data output instruction BPRENT DPRNT and close instruction PCLOS After setting the open instruction at the beginning of a program it is not necessary to set the open instruction until the close instruction is set 2 Open instruction and close instruction shall be set in pair without omission That is close instruction shall be given at the end of a program It is impossible to individually set the close instruction without the open instruction 3 Reset the data output instruction in the execution of stop program and cancel the data 195 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming that follows If the reset process is instructed by with M30 or a similar instruction at the end of a data output program you need to specify the close instruction at the end of the program and to wait until all data is output before the start of M30 or other reset proc
118. exerted Example G01 X500 0 Y300 0 B20 0 F10 0 When the system is provided with optional 4 axis gang control functioOn the use of the following instruction is allowed Where a B y 6 X Y Z A B C U V or W Note 1 Axial feedrates are as follows G01aa g F f a The feedrate in the direction of axis a Fa X f The feedrate in the direction of axis B FB g f iya The feedrate of an axis of rotation shall be instructed in degree min input in metric system F050 input in inch system F032 Example G91 G01 B90 0 F300 43 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 3 Note 4 Note 5 ry Loe End point L r N j Bi oa j Rotational speed 300 degree min Origin In the linear interpolation involving the 4 axis axis of rotation A B or C the unit of cutting feed is changed from degree to inch or mm and the cutting feedrate in a rectangular coordinate system is controlled so that it keeps identical with the speed specified by F codes The feedrate of an axis of rotation is determined with the formulas in Note 1 and its unit is changed into degree min E G91 G01 X20 0 B40 0 F300 0 When the unit degree of B axis movement instruction is changed into mm or inch machining time shall be determined as follows 2 2 v20 40 lt 5 014907 min 300 The feedrate of axis B is 40 268 3 min 0 1490
119. f NC for Axis B use 360 full circle is set by parameter 314 IRND i when IRND 0 absolute coordinate is rounded to 360 and starts from 0 position If G90 B720 is specified Axis B rotates by 720 2 turns and the actual position 205 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming se AN IM15 0 e IM15 0 7 indication and absolute coordinate is 720 ii When IRND 1 absolute coordinate and the actual position are rounded to 360 However the rounding of absolute coordinates is performed after the travel for increment determination That is if G90 B720 is specified from 0 position Axis B will rotate by 720 2 turns and absolute coordinate will be 0 Now the actual position changes as follows 0 gt 90 gt 180 gt 270 gt 0 gt 90 gt 180 gt 270 gt 0 The result of 360 rounding absolute coordinates and actual position are displayed between 0 and 359 For the RELATIVE in the display of the actual position ABSOLUTE RELATIVE rounding is only performed when parameter No 007 PPD 1 No matter it is in the condition of i or ii the mechanical coordinate system often uses 360 for rounding When automatic return to the reference point is specified G28 calculates the amount of movement with the mechanical coordinate system The movement between the intermediate point and reference point is less than 360
120. ffset and tool radius compensation may be increased to 99 Additional offset memory C F1 bit feed The number of cutter compensation is increased to 200 Once the number of F followed by one digit of 1 9 is instructed the feedrate corresponding to the number will be set The instruction FO is a rapid traverse speed The feedrate of the currently selected number can be increased or reduced by turning the manual pulse generator when the machine side gives a speed changing signal External moving function G80 G81 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Instruction G81 is used to output external movement signals after the positioning of X and Y axes and G80 to cancel it Fixed cycle A G80 G81 G82 G84 G85 G86 and G89 It is possible to perform 6 fixed cycles including drilling cycle tapping cycle and boring cycle Fixed cycle B G73 G74 G76 G80 G89 It is possible to perform 12 fixed cycles including gun drilling cycle finish boring cycle tapping cycle and reverse tapping cycle Switch between Inch and metric systems G20 G21 Input in Inch or metric system can be selected by switching G codes G20 Input in Inch system G21 Input in metric system Arc interpolation G02 G03 Using G02 or G03 may achieve any arc interpolation within 0 360 with the feedrate of F code instruction G02 Clockwise CW G03 Counterclockwise
121. fications and Programming It is possible for all axes to individually disable the feed of an instructed axis If any instructed axis in interlocked during traveling all axes of the machine will decelerate until stop Once the interlock signal is cancelled the machine will accelerate and restart A block instruction can be executed each time To skip over an optional block The block preceded by a slash code may be ignored by turning on the OPTIONAL BLOCK SKTP switch on the machine side External mirroring The switch may be used to reverse the program instructions of axes X and the 4 axis as well as the travel of MDI It is possible to set mirroring with the MDI LCD panel or the switch on the machine side Manual Absolute Value ON OFF It is possible to determine whether to add the traveling amount through the manual traveling tool to absolute coordinates by switching the manual absolute value switch on the machine side Manual Absolute Value switch ON To add OFF Not to add To lock auxiliary function BCD code signal and strobe signal of M S T and B are sent to the machine side To lock the machine The machine keeps still However position display is still valid as the machine is moving and machine locking is also valid even in the execution of a block To cancel the instruction for axis Z The function is only equivalent to Z axis locking It is to be used when NC program is chec
122. g If Type I and II independent variables correspond to the same variable the latterly specified independent variable will be valid G 65 A1 0_ I 3 0 _14 0_ D5 0 P1000 lt Variable gt 1 1 0 2 2 0 3 4 5 6 7 In the example the D5 0 that follows is valid though independent variables 4 0 and D5 0 are set to variable 7 Example 10 7 1 Reference point setting Before instructing hole group machining the reference point of the hole group shall be set X o The X coordinate of hole group reference point Y o The Y coordinate of hole group reference point Macro call instruction G65 P9200 X Yy Shall use the following variables 100 hole counting 101 the X coordinate of the reference point for hole group macro 102 the Y coordinate of the reference point for hole group macro 24 the X coordinate of the reference point is assigned with a macro call instruction 25 the Y coordinate of the reference point is assigned with a macro call instruction Macro body is developed as follows 09200 101 24 Notify the reference point to hole group macro 102 25 100 0 Reset of hole counting M99 Example 10 7 2 Bolt hole ring The reference point set with the reference point setting macro is used as the center of the circular ring The h holes to be machined distribute on the circular ring at equal spacing The 176 GSK983M Milling CNC System Operation Manual Volume l Specifications and Progra
123. g Offset number is specified with H codes The offset set in the offset storage of the number is added to or detracted from the programming value of axis Z Offset number may be specified with HOO or H200 The number of the D codes using tool radius compensation hits 32 It is also possible to choose 64 99 or 200 Offset corresponds to offset number and may be preset in the offset storage through MDI LCD or communicating operations The setting range of the offset is as follows The offset of the corresponding offset No 00 i e HOO is generally 0 The offset corresponding to HOO shall not be set Cancellation of tool length compensation To cancel tool length compensation G49 or HOO shall be instructed Once HOO or G49 is instructed canceling operation will be performed 1 Example of tool length compensation machining of 1 2 and 3 holes Y 120 E Pa ri A Actual position 64 S2 23 Programmed ay q position ww SY f 5 K j 12 i of Se 0 g t j a a Te IN wip 1 yt H 5 z Oo HO1 4 0 Offset N1 G91 G00 X120 0 Y80 0 ee N2 G43 Z 32 0 H01 eese lbs N3 G01 Z 21 0 F1000 PETE N4 G04 P2000 EEE E N5 G00 221 0 rah great 66 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N6 X30 0 Y 50 0 EEE N7 G01 Z 41 0 EENE N8 G00 241 0 jane del eye ee N9 X50 0 Y30 0 ETTR
124. g CNC System Operation Manual Volume l Specifications and Programming MOBS ceruti Seavisceeeaessecveeees M code input 2 Wee AA N S code input G04 X1000 ccce Dwell time G22 X100000 Machining area setting G10 P01 X100 Offset setting Not move G17 Z2000 aaaeeeaa The movement beyond offset plane C1e T O Only G codes G91 XO eee eee Offset is 0 a The situations in which a block is instructed during start up If a block without tool movement is instructed at the origin of the program it does not generate offset vector G04 GIT eee N6 X1000 0 1000 0 JMS w Ys N7 G41 XO a N8 Y 1000 0 a N9 X1000 0 Y 1000 0 x b The situations in which a block is instructed in offset mode When a single block without tool movement is instructed in offset mode its vector and tool center path are the same as when the block is not instructed refer to Section 6 3 6 a Offset mode The block is executed at the stop point of the single block N7 Ng NG G91 X100 0 Y200 0 aca P AR HAN A N N7 G04 X100 0 ae N8 X100 0 Nese N6 a j tos _ Block N7 is executed here When the travel is 0 however the tool movement of the block is identical with when more than a block without tool movement is instructed It is specifically described as follows 96 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N7 Ns aan N6 G91 X1000 Y2000 ie eae N7 XO NS
125. gle less than 1 I ____ Path of tool nose center TE G41 nn ot asa C41 Less than 1 ___ Programmed path 3 Offset mode In offset mode arc interpolation may offset even linear interpolation is instructed In offset mode the blocks without move instruction but miscellaneous function hold etc cannot be instructed in two blocks in succession otherwise it is subject to undercutting or overcutting 81 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Offset plane cannot be changed in offset mode otherwise the system will stop after No 37 alarm i Situations of interior angle 180 sa Straight line Straight line 41 Programmed path Lane pean Path of tool nose center Intersection point AL Straight line Arc qn 4 intersection point Programmed path JL Path of tool nose center Arc Straight line a Programmed path Path of tool nose center Intersection point Arc Arc 82 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming ra ys Intersection point _ Programmed path Path of tool nose center For the condition of straight line to straight line a narrow and closed angle less than 1 is machined Now its offset vector becomes extremely big fone Programmed path Tr 13 J 4 fr I N we eaten Offset vector U
126. gnal may be used for the automatic measurement of tool compensation 3 11 3 4 Tool skip signal It is possible to forcibly change a tool even it has not reached its service life I Set the group where the tool is and input tool skip signal Use the next T code instruction to select the next tool in the group Il Input tool skip signal without specifying a group number but assuming the selected tool is specified Follow i for other issues Following I or II shall be set by parameter Service life starts from 0 no matter which method is followed However output a tool change signal when the tool skip signal inputs the last tool Note When STL or SPL or both of them are lit it indicates that what is input is neither tool change signal nor tool skip signal 3 11 4 The display and input of tool data 3 11 4 1 The display and modification of tool group number In the part program storage and edition area tool group data may be displayed and modified like the edition of common programs As described in Section 11 1 modified program shall be executed otherwise it cannot be saved in the tool life data area 3 11 4 2 The display of tool life data during the execution of machine program Pressing the DIAGNOSIS button twice in any mode displays the first page of tool life data in the following format on the screen of LCD 201 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Group No
127. h on the operation panel of the machine is 137 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming pressed 4 M98 Call of subprogram The code is intended to call a subprogram Refer Chapter 9 for details 5 M99 End of subprogram The code indicates the end of a subprogram It returns to the main program once M99 is executed See Chapter 9 for details Note 1 The block following MOO M01 M02 or M30 cannot be read in the buffer register Similarly the next block may set the M codes not to make intermediate conversion through 2 parameters Refer to the section regarding M codes in the manual supplied by the manufacturer of the machine Note 2 Code signal or strobe signal will not be sent out during the execution of M98 or M99 Note 3 The M codes other than M98 and M99 will be processed by the machine side instead of the NC unit Refer to the instruction manual supplied by the manufacturer of the machine 3 8 5 Secondary miscellaneous function B function Worktable indexing is set by address B and the 3 digits that follow Different manufacturers may have different settings for the division value corresponding to B codes 3 9 Subprogram When some areas in fixed sequences or those repeatedly appear are included in a program these sequences or areas may be saved in storage as subprograms so simplify programming A subprogram can be called in automatic mode of operation A subprogram can als
128. he INPUT button All the executed data in the group identified by the cursor including are cleared It 202 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming functions as the reset of the tools in the group see Section 3 11 3 2 3 11 5 Other cautions Part program storage and edition area will reduce the storage area in the last part for the purpose of tool life data area When data is saved in the part program and edition area in EDIT mode as described in Section 11 1 more area will be occupied 3 12 The Indexing Function of Indexing Worktable The 4 axis e g Axis B may be used for the indexing of indexing work Indexing instruction only employees the angle specified by Address B The process becomes simple as it is unnecessary to set the M codes for worktable tensioning and releasing 3 12 1 Instructing methods 3 12 1 1 Input unit Decimal point B 1 1 shall not be used Note When a decimal is used PS alarm will be given one the digits after it are instructed N O 180 means that the value less than 1 cannot be instructed 3 12 1 2 Absolute incremental instruction Absolute incremental instruction can be instructed by G90 G91 Absolute instruction G90 B45 Indexing of 45 position Incremental instruction G 91 B 45 Indexing of negative rotation 45 GSOB45 The point Ain the above figure is the actual position The mentioned instruction moves as shown in
129. he function automatically reduces feedrate so as to lower the tool s overload in the above machining areas thereby obtaining a smooth machining surface 3 4 7 1 Automatic adjustment of inner angle 1 Working conditions Feedrate can be automatically regulated provided that both the two blocks in succession passing the angle satisfy the following requirements a The G codes of Group 01 are G01 G02 or G03 b The offset is not 0 in offset mode c Offsetting shall be performed inside the angle to be processed d The axis moves along the offset surface e Instructions G41 and G42 do not exit in the succeeding block f Instructions G41 and G42 do not exist in the preceding block or the block is not started though it has the two instructions g The inner angle is less than the 8 preset by parameter The angle judgment with regard to programmed path 34 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming I Straight line Straight line K m Programmed path ee eee NM a CEA eee ot Path of tool center 8 i 3 i oes Il Straight line Arc A By _ Si T y 8 y iz III Are Straight line A T A E 4 Tee ase T a I B T ae atte IV Arc Arc 7 P 7 8 RAS ff fog y j i So i a i BES The angle may be considered as an inner angle when O lt 9P The value of OP shall be set by parameter NO 335 1 lt 9P lt 179
130. he length of thread incremental instruction or end point of thread absolute instruction f screw pitch Minimum input increment Range Input in mm 0 01mm F1 to F50000 0 01mm to 500 00mm 0 0001inch Input in inch 49 F1 to 500000 0 0001inch to 50 0000inch GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Spindle axis is restricted as follows 1 lt Rs lt Maximum feedrate screw pitch or allowable rotational speed of the position coder Where R Spindle speed r min Screw pitch mm or inch Maximum feedrate mm min or inch min The instruction signal of maximum feed per minute or the maximum feedrate due to the restriction of motor or machine whichever is lower Allowable rotational speed of position coder 4 000r min position coder A 6 000r min position coder B Note 1 Spindle speed may be read continuously through the position coder installed on the spindle The coder converts the spindle speed into the cutting feed per minute for purposes of feed Note 2 The converted cutting feedrate is not overridden but fixed at 100 Note 3 The converted cutting feedrate shall be fixed Note 4 Feed hold is invalid during thread cutting Example Z l N20 G90 GOO X100 0 Y S45 M03 N21 2200 0 N22 G33 Z120 0 F5 0 f 50 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming N23 M19 N24 G00 X105 0 M03
131. he mechanical system with the reference as its origin If the exclusion area is set by G22 instruction X Y Z J and K shall be set by the minimum travel unit input unit of the mechanical system with the reference as its origin Then the programming data is changed into the numerical value in the minimum traveling unit and the value is set a parameter 61 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Since it is necessary to detect which part of the tool nose or clamp has entered the exclusion area the computing methods for X Y Z J and K are different The position of the B tool after return from L l the reference point f 7 Boundary ofthe area If point A is detected to enter into the exclusion area a shall be set If point B is detected to enter into the exclusion area b shall be set When point A is used to detect the nose of the tool it is safe without changing the settings of the tool each time if the tool of varied lengths are set to the required length Overlapped setting is possible for the area Note 1 All limits will become effective after power on and manual return from the reference point or G28 completes automatic return from the reference point Note 2 If the reference point is within the exclusion area of all limits the system immediately gives an alarm when the storage travel limits are valid after power on and manual return from the refere
132. hen tool compensation is performed for blocks A B and C the vectors V V2 V3 and V4 of blocks A and B as well as the Vs Vs Vz and Vz will be created The vectors close each other will be first verified They will be neglected in case of interference If the vector to be neglected due to interference is a vector at the end of the angle it will not be neglected The interference verification before vectors N4 and N5 interference V and V5 are neglected Verify V2 and V interference neglect Verify V2 and V7 gt interference neglect Verify V and Vg interference not neglect If no vector interference is found during verification the verification will stop In case block B is an arc the arc will make line motion if interference arises Example 1 The tool makes line motion from V1 to Vs Tool nose eet centerpath Programmed path ala V V5 Interference j 3 V6 Interference 3s a l V2 Vi Interference t j fl V8 Ho interference f Example 2 The line motion of the tool is as follows Tool path V1 gt V2 gt V7 gt V8 106 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Tool nose center path Programmed path V4 V5 Interference V3 V6 Interference V2 VT No interference b The tool will stop due to alarm if interference arises after correction a If interference arises at the last vector during corr
133. ht line Arc Programmed path G42 ee Arc Straight line Programmed path G41 Path of tool nose center 91 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Arc Arc Ka Programmed path al Path of tool nose center When a path with offset has not intersection point If the switch between G41 and G42 is performed and there is no intersection point of offset path from block A to block B a vector perpendicular to the programmed direction will be established at the point of origin of block B 92 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming a Straight line Straight line S L rept 7 Block B Programmed path G42 aie ai G41 Path of tool nose center _______ b S Block A Programmed path G42 G41 Block B Path of tool nose center _____ 1 l S b Straight line Arc A pag r rad Programmed path Pi T Path of ion oe car NG yose center Section A A Ye G42 ir Section B gs C c Arc Arc C __ SY A s ction B N Fe E AH Section A yy 7 G42 CTP E P e A No Programmed path ke Ei VN The arc that its end N Gor SL polotie not on it Path of tool nose center Me Center Center The situation in which the length of the tool center path caused by tool compensation Generally the above condition will not arise It is only possible when G41and G42 is switched or G
134. id However G90 G91 is only valid at the specified location in a block see Section 3 3 8 Example G90 _X10 0 G91 _Y20 0 Absolute Incremental If R and I J or K are concurrently instructed in an arc interpolation instruction R is always valid and this is not related to instruction sequence Note 4 F050 in Inch system input format may also be changed into F051 through parameter switching Refer to Section 3 4 3 To multiply feedrate by 1 10 Note 5 Since P and Q have a number of meanings they are omitted in the above format Note 6 Refer to Section 3 2 4 Decimal entries 17 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 7 Note 8 3 2 4 Note 1 Note 2 Note 3 Multiply the value input in metric system of X Y Z A B C U V W I J K Q and R by 10 by means of parameter setting RD052 XL 052 YL 052 ZL 052 aL 052 BL 052 ID052 JD052 KD052 a and B are A B C U V and W Input in metric system Refer to Section 3 3 2 2 To multiply an input unit by 10 Refer to Section 3 3 2 2 To multiply an input unit by 10 Decimal programming It is possible for this unit to input the numerical values with a decimal point Decimal point is used in the values in the unit of distance time or speed However some addresses may not use decimal for entry The location of a decimal point indicates the position of mm inch degree or
135. ingle block will not stop 18 corresponds to R and 26 to Z Set FEEDRATE FEEDRATE OVERRIDE and ACCURATE STOP CHECK INVALID in 3004 If the following numerical values are assigned to system variable 3004 the FEEDRATE and FEEDRATE OVERRIDE of the blocks that follow will become invalid and accurate stop check will not be performed any more Press the FEEDRATE key during the execution of FEEDRATE INVALID block Pressing down and hold the key FEEDRATE will be executed at the beginning of the first block of FEEDRATE VALID Pressing and releasing the key Now the FEEDRATE lamp illuminates However Feedrate is not performed as above but started at the end point of the first block of 154 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming FEEDRATE VALID Accurate stop check O Feedrate Feedrate override O Valid x Invalid Example 10 3 5 Tapping cycle for increment programming equivalent to G84 Macro call instruction G65 P9084 L Number of repetitions R Point R Z Point Z The macro body is developed as follows 09084 3003 1 Disable SINGLE BLOCK STOP G00Z 18 3004 7 G012Z 26 M05 FEEDRATE FEEDRATE OVERRIDE and ACCURATE STOP CHECK M04 Z 26 3004 0 M05 M03 G00Z 18 3003 0 M99 Note M05 may be omitted for some machines 155 GSK983M Milling CNC System Operation Manual Volume l Specification
136. ion G28a B r 6 Where a B r O X Y Z A B C U V or W Generally the G28 instruction is used for automatic tool change ATC In principle tool radius compensation tool offset compensation and tool length compensation shall be cancelled before executing the instruction Note 1 Not only the coordinates of move instruction but also the coordinates of intermediate point is saved to memory in the blocks of G28 This is for the axes without instruction in the blocks of G28 the foregoing coordinates in G28 serves as the coordinates of the intermediate point of the axis Example N1 G90 X100 0 Y200 0 Z300 0 N2 G28 X400 0 Y500 0 N3 G28 Z600 0 Remarks N2 Intermediate point 400 0 500 0 N3 Intermediate point 400 0 500 0 600 0 Note 2 After the system is switched on without manual return to the reference point it moves from the intermediate point when G28 is specified This is similar to the manual return to the reference point Now the moving direction from the intermediate point has become the direction of return to the reference point set by parameter Note 3 If G28 is instructed for an axis of rotation the moving direction from the intermediate point to the reference point has become the direction of return to the reference point Furthermore the travel is within 360 3 5 8 3 Automatic return from reference point G29 G29a B The addresses a and p shall be selected from X Y Z and additio
137. ions other than lt Empty gt and O are regarded as 1 But the numerical values less than 0 00000001 are undefined Note 1 The figure below indicates the connection for input signals of user macros 149 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming 2 copes bg Sr 2 ea I Ty i i 2 poms yp 2 _ ss _4 2 popes yr g N 2 mA UI 4 Tiap pmo yt 5 I 4 9 0942 UI 6 ae ae 7 g Tr a a 2 Aes U aa iNe 2 Ma ae 2 masa UI 19 _4 _ 2 mea u an 27 crn out 12 2 pone TT is popes u 1g__ N 25 p p 29420 1 VI 15 n 24 Note 2 The figure below indicates the connection for output signals of user macros gt uo uo uo uo uo s 1C12 33 4 uo o LEIZ 48 4 yg 213 l uo N 2 34 uo UO 12012 yo 10 Oo uo 11 12149 yg 12 43 YO 13 t UO 14 1 uo u a u t J gt Lo 5 e oonrnrnnr One OO 9 dd a a z ad NO NYO NM MO NYMONHYONON NON NN NY NY DW G aa Example 10 3 1 The 3 digit BCD data with symbol is read to 100 by changing address Composition of DI 215 24 213 212 21 210 29 28 pM 98 25 JA 23 22 21 20 Other applications Symbol 10 10 10 150 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 20 Composition of DO 28 pas Oe DS gt oe oo ze al ead et eee eee Unused Other applications Address
138. isfy the demands of NC market and intended for CNC milling machine and processing center By employing a high speed microprocessor a general large scale integrated circuit LSI a semiconductor memory and up to date storage elements the reliability as well as performance to price ratio of its control circuit are greatly improved thereby facilitating the reliability functions performance to price ratio to a large extent With a widely applicable advanced servo GSK983M milling CNC system uses a high duty pulse encoder as its detecting element thereby composing a closed loop CNC system This operating manual describes all available functions of the system However a real unit may not necessarily be provided with all the optional functions Should the specifications of the control panel and operating mode of the machine change the instruction manual supplied with the machine by the manufacturer shall be referred to 1 2 Introduction to the Manual The functions of a NC machine system are not only dependent on its NC but also on its mechanical part That is to say its heavy current circuit servo system NC and mechanical operation panel jointly determines its performance The manual only gives a general account from the angle of NC as it is difficult to describe all the functions of an NC machine and programming and operating procedures in detail As for a specific NC machine please refer to the instruction manual supplied with the machine by
139. ked by drawing a picture with a pen To feedrate feed The function is used to temporarily stop the feed of all axes that can be restarted by pressing Cycle Start button Before the restart of feed it is possible to insert manual operation in manual mode To cancel override The function is used to fix the cutting feedrate at 100 depending on the signals from the machine side Emergent stop By pressing the Emergent stop button all feed instructions stops interrupt immediately and the machine stops running at the same time External reset reset signal The function is used to reset NC from the outside of NC The signal stops all feed instruction and the machine decelerates until stop by reset Additionally the Reset button on MDI LCD outputs reset signals to the machine side during emergent stop and external reset Overtravel GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The moving parts of the machine receives arriving signal when they come to the end of travel Then the movement of axis decelerates until stop and overtravel warning is displayed at the same time NC Ready signal When the power supply is switched on NC gives the signal in controllable state It stops sending signals to the machine side once the power supply is cut off or the control unit overheats Servo Ready signal NC warning signal When the servo system is ready the signal
140. l Specifications and Programming Example of programming G91 G45 G03 X 70 0 Y70 0 1 70 0 D01 Actual end point a oe oe ne Actual tool path Offset _ N Programmed tool path Neate Programmed i X Actual center Programmed center Point of start Example 6 22 The tool position offset during arc interpolation N1 G46 G00 X Y D N2 G45 G01 Y F N3 G45 G03 X Y I N4 G01 X Actual tool path Example 6 23 The program with tool offset Tool radius compensation 72 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 5 Note 6 Origin a i Tool diameter 200 Offset number 01 Tool offset value 10 0 AXIS X 1 G91 G46 GOO X80 0 Y50 0 D01 2 G47 G01 X50 0 F120 3 Y40 0 4 G48 X40 0 5 Y 40 0 6 G45 X30 0 7 G45 G03 X30 0 Y30 0 J30 0 8 G45 G01 Y20 0 9 G46 XO Only to move the offset in the direction of X 10 G46 G02 X 30 0 Y30 0 J30 0 11 G45 G01 YO Only to move the offset in the direction of Y 12 G47 X 12 0 13 G47 Y 80 0 14 G46 G00 X 80 0 Y 50 0 Only axis Z moves an offset if H codes are used in G43 or G44 mode Therefore it is recommended not to use H codes but D codes in the offsets of G45 G48 as much as possible G45 G48 modes are ignored in fixed cycles Hence G45 G48 shall be programmed before instructing fixed cycles and they must always be c
141. lane of return point G99 _ Point A plane 115 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G73 G74 G76 G80 See Table 7 2 G81 G89 Note Initial point plane refers to the position of the absolute value in Z direction when fixed cycle cancellation mode changes to fixed cycle mode The data indicated in Fig 7 2 2 depends on G90 or G91 mode G90 G91 SERE E Z 0 aia Tae Me R al Point R Point Z Point Z Absolute mode Incremental mode Figure 7 2 2 Absolute and increment programming CA During the returning operation whether the tool returns to Point R plane or initial point plane depends on the setting of G98 or G99 See Fig 7 2 3 G98 G99 Fi _ Initial point plane iFa _ Initial point plane E woe aes 4 K MMM ai _ PaintR plane A t ial Return to initial point plane Return to Point R plane 116 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming B Fig 7 2 3 Initial point plane and Point R plane The initial point remains constant even touring operations in G99 mode If the position of previous return is located in Point R plane the starting point is Point R If the position of previous return is in initial point plane the initial point is used as the starting point After G73 G74 G76 and G81 to G89 specifying the data relat
142. le 0 is used for the variable that is always empty An undefined variable has the following characteristics 1 Introduction of variable The address itself will be neglected when an undefined variable is introduced When 1 lt Empty gt When 1 0 G90 X100 Y 1 G90 X100 Y 1 1 G90 X100 G90 X100 2 Operational formula Except lt Empty gt is used for replacement it is equivalent to variable O 145 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming When 1 lt Empty gt When 1 0 2 1 2 1 l J 2 lt Empty gt 2 0 2 1 5 2 1 5 l l 2 0 2 0 2 1 1 2 1 1 l l 2 0 2 0 3 Conditional expression lt Empty gt and 0 differ in relation to E Q and N E When 1 lt Empty gt When 1 0 1EQ 0 1EQ 0 l l Definite Indefinite 1 NEO 1 NEO l l Definite Indefinite 1GE 0 1GE 0 l J Definite Definite 1GTO 1GTO J l Indefinite Indefinite unestablished 3 10 2 4 Display and setting of variable A variable may be displayed on LCD and set by MDI means See Chapter IV Section 5 8 2 3 10 3 Types of variables Variable may be classified into local variable common variable and system variable depending on their variable numbers characteristics 146 And these variables have different use and GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 10 3 1 Local variables 1
143. ling CNC System Operation Manual Volume l Specifications and Programming The block other than macro statement is called NC statement Macro state differs from NC statement in the following aspects i Single block does not stop in general single block mode ii Tool radius compensation C does not serve as block without travel iii The executing time may vary depending on different statements If a macro statement are provided after a block without buffer the M codes without buffer and the blocks of G31 the statement will be executed after the block Example 3 1 N1 X1000 MOO Executing block N2 1100 1 Macro statement Execution of Macro statement N2 Execution of NC statement Time When a block with buffer is followed by macro statements i When tool radius compensation C is not used The current block will be executed and at the same time the next macro statement will be executed until the next NC statement Example 3 2 N 1 G01 X1000 Executing block N2 1100 1 Executed macro statement N3 1 10 Executed macro statement N4 X2000 Next NC statement Execution of Macro statement N2 N3 N1 Execution of NC statement 171 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming ii Tool radius compensation C mode 2 1 The first NC statement following the currently executing block is not a block without travel no block without move instruction in the tool radius
144. ll 3 hole after positioning and returning to the origin NO008 G99 X1200 0 Drill 4 hole after positioning and return to the origin 131 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Y 550 0 Drill 5 hole after positioning and return to Point R NOO9 N010 NO11 N012 N013 N014 N015 N016 N017 N018 N019 N020 N021 N022 N023 N024 N025 N026 G98 G00 G49 G43 S20 G99 Y 350 0 Drill 6 hole after positioning and return to the origin X0 YO MO5 Return to the reference point and stop the spindle 2250 0 T15 M06 Tool length compensation and tool change ZO H15 Origin tool length compensation M03 Spindle starts G82 X550 0 Y 450 0 Z 130 0 R 97 0 P300 F70 Drill 7 hole after positioning and return to Point R G98 G99 G98 G00 G49 G43 S10 G85 Drill G91 G00 G49 M02 Y 650 0 Drill 8 hole after positioning and return to the origin X1050 0 Drill 9 hole after positioning and return to Point R Y 450 0 Drill 10 hole after positioning and return to the origin XO YO M05 Return to the reference point and stop the spindle Z250 0 T31 M06 Cancel tool length compensation and change a tool ZO H31 Origin tool length compensation M03 Spindle starts G99 X800 0 Y 350 0 Z 153 0 R 47 0 F50 11 hole after positioning and return to Point R Y 200 0 L2 Drill 12 and 13 holes after positioning and return to Point R G90 X0 YO Z
145. llowing settings and parameters For the check of a macro body 0318 MCS9 ae C mcs MOST 187 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming When MCS7 1 single block stop will be performed in the macro statements in 01 to 07999 and 09900 09999 When MCS8 1 single block stops in the macro statements in 08000 8999 When MCS9 1 single block stops in the macro statements in 09000 9899 However when single block stops in a macro in offset compensation mode C it is assumed that it does not to move Sometimes wrong compensation is also performed strictly speaking instructing movement is similar to that the amount of movement is zero The assumption is preferential for the single block stop restraint of 3003 In a word when MCS7 8 and 9 are equal to 1 3003 will be equal to 1 also called 3 in the programs in all program sequence numbers All single blocks will be restrained Here MCS7 8 and 9 are the parameters for the inspection of macros Therefore the parameter shall be set to 0 at the end of macro inspection Skip optional blocks When code appears in lt Expression gt on the right side of working equation or in J it may be deemed as a division operator rather than an optional block Operation in EDIT mode In order to prevent damage caused by misoperation the recorded macro bodies and subprograms may be set as follows
146. ly restrain the rotational speed of spindle to the maximum value if the speed is higher than the programmed value 3 8 2 4 Rapid traverse positioning GOO Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 Note 9 In the rapid traverse positioning blocks specified by GOO it is impossible to exert constant surface speed control by calculating the surface speed in the position of the tool at all times However the control may be achieved by calculating the surface speed from the starting point to the end point of the block Machining cannot be carried out in the conditions of rapid traverse positioning Constant surface speed control is disabled G97 during power on Spindle override becomes effective when parameter SOV the 5 digit of No 010 parameter is preset to 1 The maximum spindle speed cannot be preset or restrained during power on The maximum spindle rotational speed is only restrained in G96 mode It needs not to be retrained in G97 mode However the spindle motor is restrained by No 136 parameter in G97 mode G92 SO means that the spindle speed is restrained to 0 rpm The S value specified in G96 mode is still saved even after it is switched from G96 mode to G97 mode The value will be restored when it is returned from G97 mode to G96 mode G96 559 50m min or 50 inch min G97 1000 1000r min G96 X3000 50m min or 50inch min When tool length compensation G43 or
147. me l Specifications and Programming Ngan nnn nanan nnn B AD A D a8 A lt 2 f D imma E pj B Fig Absolute If Point D is absolute the tool moves to Point E which is converted from Point D pl Fig B b When clearance is made by reset by parameter No 007 BIT3 CLER setting After switching from G51 to G50 the tool moves to point D if the move instruction is incremental see Fig A and to Point D if it is absolute see Fig B 3 7 Cycle Machining Function 3 7 1 External moving function As instructed by G81X Y L NC sends out external moving function signal once X Y positioning is completed The machine side performs clamping drilling and other specific operations and executes cycles according to the signal Each positioning operation sends out the signal before clearance with G80 instruction Whether G81 will be reset may be set by parameter No 007 BIT3 CLER The system is in G80 mode when it is switched on Circular positioning is conducted for L times depending on the numerical value behind the address L and external moving signal is given after each positioning External moving signal will not be sent out when the blocks excluding X and Y are executed Besides that G81 is used for external moving function it can be applied to the following fixed cycles through parameter No 009 BIT5 MCF setting 113 GSK983M Milling CNC System Operation Manual Volume l Specifications and Progra
148. ming G9082 G00 Z 18 G01 Z 26 G04 X 24 G00 Z ROUND 18 ROUND 26 M99 Example 10 7 5 Combined type hole group hk AT n a Reference point X Yoo For a drilling process with the bolt hole ring as described in 10 7 2 and a unequally spaced hole group on an oblique line as described in the above example 10 7 3 it is necessary to perform it with macro and fixed cycle The program is as follows G65 P9200 X coordinate of reference point Y coordinate of reference point G66 P9207 R radius A starting angle K number of holes G65 P9203 A angle spacing K number spacing G67 3 10 7 3 Multiple calling It is equivalent to calling a subprogram from another one It is also possible to call a macro from another one Multiple calling includes single calling and modal calling Its number of repetitions is up to 4 3 10 7 4 Multiple modal calling In modal calling mode move instruction is executed whenever the specified macro is called When several modal macros are specified the move instruction of the previous macro will be executed whenever the next macro is called Macros are called by the following specified instructions continuously 181 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Example 10 7 6 G66 P9100 Z10000 1 1 G66 P9200 Z15000 1 2 G67 P9200 Cancelled G67 P9100 Cancelled Z 25000 1 3 09100 X5000 2 1
149. mming 1 hole is located on the straight line of a angle see the figure below No 3 hole ot No 2 hole i PA No 1 hole i Pg j Aa N a Noh hole t AE 1 SL n Reference a point Xo Yo A rt No h 1 hole Current position The coordinates of the ring reference point for XO and YO bolt holes R radius A starting angle H number of holes Macro call instruction G65 P9207 Rr Aa Hh When h lt 0 however workpiece will be machined clockwise in h counting The following variables shall be used 100 hole counting 101 the X coordinate of reference point 102 the Y coordinate of reference point 18 radius r 1 starting angle a 11 number of holes h 30 the storage of the X coordinate of reference point 31 the storage of the Y coordinate of reference point 32 Counting shows that the No 1 hole is being machined 33 the angle of No 1 hole Macro body is developed as follows for absolute programming 09207 30 101 Storage of reference point 177 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 31 102 32 1 WHILE 32LEABS 11 DO1 Repeat depending on number of holes 33 1 360 32 1 11 101 30 18 COS 33 Hole position 102 31 18 SN 33 X 101 Y 102 100 100 1 Hole count plus 1 32 32 1 END1 101 30 Return to reference point 102 31 M99 Example 10 7 3 Unequally spaced obliq
150. mming 3 7 2 Fixed cycles G73 G74 G76 and G80 G89 In general a fixed cycle may employ a block including G codes instead of the several blocks for instructing machining operations in order to simplify programming At present two types A and B of fixed cycles are available for your selection Type A may use G80 G81 G82 G84 G85 G86 and G89 as listed in the table below while Type B all the G codes in the table Refer to Table 7 2 for the summary of fixed cycles Drilling operations Z direction G codes Operations in hole bottom Backing operations Z direction Applications G73 Intermittent feed Rapid traverse positioning High speed peck drilling G74 Cutting feed Spindle forward rotation Cutting feed Reverse tapping Cutting feed Oriented spindle stop Rapid traverse positioning Finished boring cycle only for the 2 group of fixed cycles Cancellation Cutting feed Rapid traverse positioning Drilling cycle fixed point cycle Cutting feed Rapid traverse positioning Drilling cycle counterboring Intermittent feed Rapid traverse positioning Peck drilling Cutting feed Spindle reverse rotation Cutting feed Tapping Cutting feed Cutting feed Boring cycle Cutting feed Cutting feed Spindle stop Spindle stop Rapid traverse Manual operation of rapid running
151. n ee ne Enable SKIP NO070 M99 P0030 OPTIONAL Ne NO090 MOZ BLOCKS function 3 9 3 3 It may be executed in automatic mode as a main program from the beginning of MDI Search subprogram In this case it will return to the beginning of the subprogram if a block containing M99 instruction is executed When M99 Pn is executed it will switch to the block of the sequence number n and repeatedly execute it To stop execution in the above process it is possible to insert MO2 or 30 in a proper position if you need to stop the execution The execution of the above instruction may stop it and disconnect the switch when the SKIP OPTIONAL BLOCKS switch is set to ON 141 N1040 r N1LO50 N1060 N1070 M02 NILO80 M99 P1050 3 9 3 4 M99 La Number L of repeated recalls of a subprogram is changed to a in midway when the above instruction is executed If the SKIP OPTIONAL BLOCKS switch is set to OFF in the process the number of repetitions will be changed to zero and the execution of the main program will go on when END OF SUBPROGRAM instruction M99 is executed Main program Subprogram A M98P L99 M99 LO SA M99 3 10 User Macro 3 10 1 General The functions of user macros A and B are basically equivalent The differences between them are described in section 10 10 9 A function is composed of a group of instructions and saved in the storage as a subprogram The saved fu
152. n is not used to establish a workpiece coordinate system However the machine s six exclusive coordinate systems may be preset and selected with G54 and G59 G4 pror pree Workpiece coordinate system 1 57 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Colo eee ere Workpiece coordinate system 2 G56 ve csesscecateneriess Workpiece coordinate system 3 CT seer ree er Workpiece coordinate system 4 G58 cass ceeederee eee Workpiece coordinate system 5 Cie Pence eres Workpiece coordinate system 6 The six coordinate systems are determined by setting all axes distances the offset of the zero point of workpiece from the reference point to their respective points Example G55 G00 X100 0 220 0 X15 5 225 5 In the above example it is positioned in the workpiece coordinate system 2 X 100 0 Z 20 0 and X 15 5 Z 25 5 X 4 A y Workpiece Reference point zero offset Workpiece coordinate systems 1 to 6 are established after switching on and returning from the reference point G54 coordinate system is enabled upon switching on Note 1 When the range of the workpiece zero point offset of all axes compensated by external data inputting optional is 0 0 7999mm or 0 0 7999mm check the machine instruction manual for the function Note 2 When G54 G59 are used the coordinate system is not set with G92 but established with G92 G54 G59 are used to move the coordinate system G54 G59 m
153. nal axes A B C U V and W However additional axes can not be interlocked with one the three basic axes if additional axis gang control function is not selected The tool may be positioned at the specified point through an intermediate point using this function As a rule the instruction is used after a G28 instruction A and B are specified in absolute incremental value depending on the current G90 G91 state In an incremental instruction an incremental value relative to the intermediate value shall be specified Using the movement of the blocks of G29 allows all instructed axes to pass through the intermediate point previously defined by G28 instruction and to reach the specified point at rapid traverse positioning rate 53 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The procedures for positioning at the intermediate point and then the specified point are similar to the positioning with GOO Example of G28 and G29 application r J Reference point The tool is changed at Point R B 700 n Intermediate point 500 300 For G91 G28 X1000 0 Y200 0 From Ato B MOG G29 X500 0 Y 400 0 From B to C The example shows that programmer needs not to calculate the actual travel distance from the intermediate point to the reference point The G29 instruction for a system with 3 axis concurrent control function is as follows G29a r The addresses a 8 and
154. nal speed before drilling because drilling is continuously performed when the spacing between holes and the distance from the origin to Point R are relatively short In this case a G04 HOLD shall be instructed to insert between all drilling motions Therefore the program below does not specify the number of repetitions with through L Adequate dwell time shall be specified here so that the spindle may rotate normally e TE GOO M G86 X Y Z R F G04 P Not to drill but to feedrate X Y G04 P Not to drill but to feedrate Whether it is necessary to perform the operation or not depends on the performance of the machine Refer to the manual supplied by the manufacturer of the machine Note 4 The above mentioned fixed cycles may be deleted with GOO G01 G02 or G03 When G00 G03 is instructed in a fixed cycle the following motions will be carried out indicates 0 1 2 or 3 GO indicates G00 G01 G02 or G03 128 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G indicates a fixed cycle Go GOO Xx Y Z R Q P F L To perform a fixed cycle GOO Go X Y R Q P F L The tool s travel along axes X and Y depends on GO codes The values of R P and L will be neglected and F codes saved GOO Go x Y Z R Q P F L If 3 axis link
155. nce point For storage limit 2 only G22 mode is applicable When G23 is changed to G22 and the tool is in the exclusion area the system will give an alarm in the next block Note 3 Pressing the emergent stop switch to cancel the restrictions and move the tool out of the exclusion area in G23 mode when the tool remains still in the exclusion area under the conditions of Note 2 The settings shall be changed if they are set incorrectly Then the tool returns from the reference point Note 4 Since the axis without the function of returning from the reference point the axis does not give an alarm in the exclusion area Note 5 For the setting of the exclusion area the area is described as follows When the exclusion area is beyond the specified area all the areas are movable 62 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming When the exclusion area is within the specified area all the areas are restricted for movement in G22 mode Note 6 The settings beyond the travel of the machine are not necessary Note 7 The tool may reversely move provided that the tool is in the exclusion are and an alarm is given Note 8 Even the sequence of the coordinates of the two points In the set area are set incorrectly the rectangle with the two points as its acmes can also be created into a limit area Note 9 G22 and G23 shall be instructed in single blocks Note 10 Storage travel limit 2 c
156. nction is symbolized by an instruction Therefore it is only necessary to specify its symbolic instruction for the function to be executed The group of saved functions is called macro body and is symbolic instruction is called user macroinstruction Macro body may also be called macro for short and user instruction called macro call instruction 142 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Conventional program X Macro body Pa A group of instructions of a function Programmer only needs to memorize macroinstructions in stead of the instructions in macro bodies Three points regarding macro Variables may be used in macro bodies operations can be performed on the basis of variables and the variables that may be actually specified in user macroinstructions Macroprogram body 09011 XH1Z 4 G65P9011A1015 The variables for calling 1 and 4 variables can macroprogram body 9011 be used to replace an and defining 1 and 4 unknown moving distance are 10 and 5 respectively The above shows that annularly distributed screw holes are easy to machine Once a macro body for annular holes is programmed and recorded NC may start machining in it has annular hole machining function Programmer may call the annular hole machining function through the following instruction G65 PpRrAaBbKk p Macro number of annular holes 143
157. nd of the motion the system switches to the next operation In G98 instruction however it returns to Point R from hole bottom at rapid traverse positioning rate and then to the origin without deceleration Notes regarding fixed cycles Note 1 Spindle rotation function shall be specified with M codes before specifying a fixed cycle ER M03 Spindle forward rotation clockwise GI _Jeseesteetteetnee Correct MOS ceadabiiweueciedicciess Spindle stop COO wre Incorrect so specify MO3 or M04 before the block Note 2 In the mode of fixed cycle touring operation may be performed provided that the position data corresponding to axes X Y and Z and the 4 axis are specified in the block 127 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Touring cannot be performed if the position data is not specified It will not be performed even the dwell instruction G04 P is incorporated If address X is used to specify the dwell time G04 X touring operation will not be performed GOO X G81 X Y Z R F P L Not to drill F Not to drill but modify the value of F M Not to drill but perform M function G04 P Not to drill the P data for drilling will not be modified by the instruction Note 3 For the fixed cycles G74 G84 and G86 for controlling spindle rotation the spindle fails to reach the normal rotatio
158. nd stop Tool center path Programmed path Itis subjectto overcutting if NC does not stop iii To machine a step less than the tool radius When the program includes a step smaller than the tool radius and it is machined under circular cutting instruction the tool center path using normal offset 6 3 6 3 will become the reverse programmed direction Now the first vector will be ignored and the tool moves the position of the second vector The tool stops at this point The program continues to execute if it is not machining in single block mode 102 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Stop position after Line motion execution of a single block Tool center path The first vector is ignored Re a of arc machining Yi Uff hd If the first vector is not ignored it will result in overcutting and the tool makes line motion A iv The startup associated with tool compensation C and the movement in the direction of axis At the beginning of cutting tool compensation generally XY plane shall be preset at a distance from the workpiece and then the tool feed by means of movement along axis Z Now take note of the following issues if the rapid traverse positioning of axis Z shall not be independent of the cutting feed Refer to the following program N1 G91 G00 G41 X50000 Y50000 D1 N3 G01 Z 30000 F1 N6 Y100000 F2 NG Offset mode N
159. nes one side of an obtuse angle the start up and cancellation of a 90 sas180 tool path have the noses A and B and they are selected by parameter No 011 BIT1 SUPM Type A Straight line Straight line Programmed path Path of tool nose center 4 L Path oftool nose center Programmed path 79 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Type B Straight line Straight line o42 r Programmed path L Intersection point Path of tool nose center Intersection point is a point at which the offset paths determined by two blocks in succession intersect Straight line Arc b LY Intersection point L 4 Programmed path Path of tool nose center The intersection point in the above diagram is a point where the offset paths of the r length of two blocks iii To machine an acute angle a lt 90 exterior Type A Straight line Straight line Programmed path S ou m Path of tool nose center Straight line Arc Vy oY Path oftool Programmed path nose center 80 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Type B Straight line Straight line Programmed path Path of tool nose center Straight line Arc Programmed path Path of tool nose center Note For Type B compensation shall be performed as follows when the tool moves on one side of a sharp an
160. nstruction for controlling feed route and the auxiliary movement of a machine written according to the rules for NC The instructions are usually written in a program list This chapter will describe how to develop a part program 3 2 Program Make up A program consists of main program and subprogram As a rule NC moves by the instructions of a main program When the main program gives an instruction to switch to a subprogram NC moves by the subprogram When there is an instruction to return to a main program in a subprogram NC will return to the main program and continue to move by the instructions of the main program NC memory can store 95 main programs and subprograms in total When one of the main programs is selected NC machine can move by its instructions 13 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Main program Subprogram Instruction 1 Instruction 1 Instruction 2 sInstruction2 f 2 Instruction to switch to a subprogram Instructionn Oe n n 1 Instruction to return to a main Instruction to return to a main program Note The number of programs that can be stored will be increased to 191 if the function Addition of the number of storable programs Optional is selected Refer to Chapter 4 Operations for the storage method of program 3 2 1 Block A program is composed of a number of instructions Each instruction unit in a program is
161. nto a large high tech enterprise integrated with technology education industry and trade by enhancing the popularization and trade of CNC machine tools There are more than 1400 staffs in this company that involves 4 doctors more than 50 graduate students and 500 engineers more than 50 among these staffs are qualified with senior engineer post titles The high performance cost ratio products of GSK are popularized in China and Southeast Asia And the market occupation of GSK s product dominates the first and the turnout and sale ranks the top for successive 7 years in domestic market for the same product from the year 2000 to 2006 which makes GSK the largest CNC manufacture base throughout China Field technical support services Field support services are available when you encounter a problem insolvable through telephone GSK CNC Equipment Co Ltd will designate a technical support engineer to your place to solve technical problems for you Chinese version of all technical documents in Chinese and English languages is regarded as final Foreword Dear user We are really grateful for your patronage and purchase of GSK983M milling CNC system made by GSK CNC Equipment Co Ltd This manual consists of two volumes Volume mainly describes the specifications and programming of the system while Volume II operations all codes parameters I O interfaces and other appendices This system can only be operated by authorized and qu
162. nts programmed by addresses X Y and Z or A B C U V and W Coordinates shall be always specified in absolute instructions while the distance from the origin to the end point in incremental instructions All axes move the tool at rapid traverse positioning rates individually and the tool path is not always straight line during positioning 2 axes 2 addresses can be programmed concurrently in a block But only one can be programmed for the 4 axis G00 specifies a position G00a B a B X Y or Z Example The program shall be as follows when the rapid traverse positioning rate is 9 600mm min in the direction of axis X and 9 600mm min in the direction of axis Y G00 X25 0 Y 10 0 bs wl i gt 5 10 0 nd Note 1 The rapid traverse positioning rate in GOO instruction is set for all axes respectively by manufacturer Therefore rapid traverse positioning rate can not be specified through program In the positioning mode of GOO the tool start speeding up until it reaches the predetermined speed Then it rapidly travels and finally slows down to the end point When it comes to the proper position the next block is executed in sequence Note 2 Note 2 The so called proper position means motor feed is within the specified range The range is determined by manufacturer The travel instruction in the following format may be specified provided that the system selects three axis link function
163. o specified by P and centered on the point specified by J and K The conversion mode is cancelled by G50 G50 Zooming mode cancel instruction G51 Zooming mode The zooming range that may be instructed is as follows 0 001x 99 999x P1 P99999 P1 P4 The outline of machine program P1 P 4 The outline after zooming PO Zooming center If P is not specified the zooming ratio may also be set by MDI LCD For the situations that I J and K are omitted the point instructed by G51 serves as the zooming center The zooming can not be used for offset e g tool radius compensation tool length compensation and tool position offset X th YW a gt H 4 7 i 1 2 zooming EE A Note 1 In a single block G51 shall be specified in G40 mode G50 may also be specified in offset mode G51 must always be cancelled by G50 Note 2 A position is indicated at coordinates after zooming Note 3 If a setting is used as a zooming ratio that does not specify P the setting will be the zooming 111 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming ratio specified by G51 and it is invalid for any other instruction to specify the setting Note 4 Whether the zooming function of all axes is valid may be set by parameter For G51 mode the function is always valid for the arc radius instructed by R and is dependent of parameter setting Zooming function is alwa
164. o call another subprogram That a main program calls a subprogram is called primary call Secondary call of subprogram is performed as follows Main program Subprogram A Subprogram B Ed Call subprogram A Call subprogram B PN in Return Return A call instruction can be used to repeatedly call a subprogram A call instruction may repeat calling for 9999 times 138 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 9 1 Creation of a subprogram Create a subprogram in the following format O xxxx Specify a subprogram number after O EIA or ISO at its beginning M99 is not necessarily set in a single block at the end of a subprogram Example Refer to Sections 5 17 to 5 19 for how to save a subprogram in a register Note 1 The subprogram number in the preceding block can also be indicated as Nxxxx rather than the following O so that NC program may be compatible with other systems The system records the numerical value following N as a subprogram number 3 9 2 Execution of a subprogram A subprogram will be executed once it is called by a main program or other subprograms A subprogram may be called in the following format M98 P L 7 ie Number of repeated subprogram calls Subprogram number A subprogram shall be only repeated once in case of omission of L Example M98 P1002 L5 The No 1002 subprogr
165. o not end up in the block it will stop in Feedrate mode or other stop mode Feedrate O Once the FEEDRATE button is pressed during operations 3 to 5 in G74 or G84 the FEEDRATE lamp will illuminate and the control unit will continue to perform Operation 6 before stop If Feedrate is available during Operation 6 the operation will immediately stop Feedrate override a Feedrate is fixed at 100 during the fixed cycle G74 or G84 129 e Manual absolute value GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The MANUAL ABSOLUTE switch is used to switch between the manual operations of G87 fixed cycle 1 and G88 in the two modes below ON Point R and origin are identical with the programming OFF Point R and origin are offset through manual unit Note 9 Fixed cycles G74 and G84 may be changed by parameter No 022 BIT2 FXCD The spindle may dwell before forward and reverse rotation using the time instructed by P by setting the parameter It is very necessary when using a dedicated tapping device Thread machining is performed through the forward backward movement caused by the rotary force of the tap during dwell without the travel of axis Z a Left hand tapping cycle G74 G74 X Y Z R P F G74 with G98 G74 with G99 5 AA E Origin i e Y _ _ Spindle rotates i Spindle rotates t ell reversely after dwell Q
166. ocsteccsenssdevsectecnsssnstsestecolcsesevoassvcesvocecusesinestesotcssantsacsvcostecsevoaseene 196 3 1121 Setting Of tool Groups si vscecess ei see escieres nei ceereeeectd anne eu nei ew ess E E E E en a 196 3 11 2 Setting in MACHINING processes oo cece essssseeeeeseeeeeeeeesesesesenesesssssenseseseseseseseseeeeesesesceeeesesesenens 198 3 11 3 Performance of tool life administration oo cece cscs eseseseseseeceeeeseseseseseseseseeeeesesceeeesesenenens 200 3 11 3 1 Tool life CALCULATION cece cccceseseeensescecesesesesesesesesesesesecesesececeesesesenenensnsseneseseaeaeaeieaseeeeeeees 200 3 11 3 2 Tool change signal and tool change reset SiQnal ceeseeeecescsceeeseeeeeeeeseeeesteeeeeeeneeees 200 3 11 3 3 New tool selection SIQMal oe cece eccsseseseeesescseeeesescsececsesesaesesececseneeaesesececseenateeeeeeeaeeees 201 3 11 34 TOol skip Signial rea ssc iatee R cece ea ed ease eee 201 3 11 4 The display and input Of tool data cece ecesesesesesesesenenensneensnseseseseaeseseenenseseseseeesesesenens 201 3 11 4 1 The display and modification of tool group NUMDET ee eee ceeeeeeseseseseseeeseseseseetetsesteteees 201 3 11 4 2 The display of tool life data during the execution of machine program 0068 201 3 11 4 3 Presetting tool life counter 2 eee eeseseseseseseseseseesseeseeecsescscsceesenenenenssssssaanseseseaeaeaeeeeeeeees 202 3 11 5 Other cautions oo eecccccccsesseseseseseseseseseseseseseseseseseseeceesesesenesesss
167. of tool number and tool offset number Auxiliary function Designation of ON OFF control on machine side Worktable indexing etc Offset No Designation of offset number Dwell Designation of dwell time Designation of program No Designation of subprogram number Designation of sequence No Designation of sequence number Program is repeatedly executed at this sequence number Number of repetition Parameter Numbers of repetition of subprogram and fixed cycles Parameters of fixed cycle ON 9USNDIS uonouny Ayoyeuedaid ON 9 eUIPIOND uoun pee4 uolouny ajpulas uonouny JOO SNOSUE SOSI 15 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming In the following program list a line indicates a block and a case in the block indicates a program word 57 10 10 Program No 0 2002 IN G IX Y X Y Note CR EIA LF ISO 3 2 3 Input format All program words composing a block shall be instructed in the formats as specified below The input format of this system is a variable block format Therefore the number of the program words in a block and the number of characters in a program word are variable which makes programming easier 1 Input in metric system NO4 G02 XL 053 YL053 ZL 053 RD053 D02 aL 053 BL 053 e
168. ogram MUMDEM senesine eaen e RR on a EENE SEEE SENERE En RE AEE S EEEE 20 3 2 i Sequence n mbe r saeou neraino EE EEE NEEE EEEE DE ETA E E EES 21 3 2 8 To skip over an optional DIOCK 00 eecccceseseseeseseseeceseseeeeecseneeaeseeececsenesaeseeesecaeneeaeaceeeeceenseaeaeeeseees 21 3 3 DIMENSION WI cccsccssscccsccssececessessecscsscsssssseesessssenecsssssesecsscsscssessncesesssseneesesssssnessocsscseeeee 23 3 3 1 Controllable axiss 2 5 20 5 6 sine hs ak ele Sie eh Rare RAR RS 23 3 3 2 SOUUNIL A ose Rael i Se E 25 3 3 2 1 Minimum set unit and minimum travel UNIt eee ceseeeseeeeeeecseeeseeceeeecseeeeseeeeeeeeneeeeatees 25 3 9 2 2 INPUT UNIX TOS enen sets castivesnen RER a ENE SEEE SENERE E R AES ESE 26 3 3 3 Maximum trave hrein one ens ATER E a RA E RETE Raed AAE R ages 26 3 3 4 Program origin and coordinate system sseseseesesesessesesteresrsessesesterestsssstsesreteststssesesreresrsesstsent 26 3 3 5 Coordinate system and origin Of processing cece esesesetetseseseceseseseseseseseseeseseseseseseeceeseaeaees 27 3 3 6 Workpiece Coordinate SYStOIM ce cecccecsseseseeesesesesseseseeeescsesensesesesecaesesassceesecaeseeceseeeeecsenenetaeeeerens 27 3 3 7 Reference position point 0 eee eeseseseseessssseeeseseseseecsesesesenenenssssensnsseseseaeaeaeseseseeeeseseeeeeseseseaees 28 3 3 8 Absolute value instruction and incremental value instruction 0 0 eececeeseceteeseeeseneeeeeeeeeeens 29 3 4 Feed FUNCTION F T
169. ol return number instructing method 199 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming What follows the next MO6 instruction is No 1 group of the used tools End of the currently used No 0003 tool and start of using No 1 group of tools The setting of the tool length offset number used in No 1 group The setting of tool offset number used in No 1 group Cancellation of tool compensation Cancellation of tool length compensation To use No 0005 tool after the next MO6 instruction M0670101 End of No 1 group of tools and start of No 0005 tool 3 11 3 Performance of tool life administration 3 11 3 1 Tool life calculation 1 When tool life is determined in time min Now T tool life administration invalidation number tool group number and MO6 are instructed in succession MO6 is specified in machine program again In cutting method the actual time of tool usage is calculated by specified time interval 4s The time for single block stop Feedrate rapid traverse positioning dwell etc is not included The maximum set life value is 4300min N When tool life is determined in number of cycles Whenever a cycle starting operation is performed it operates until M02 or M30 is instructed and NC reset Then the counter for the used tool group increases by 1 The counter increases by 1 even a group is instructed for several times in the same program Life value is up
170. om the outside For example using the function on the machine side may input a tool offset and add it to the offset corresponding to the offset number specified by program In addition the input value itself may be specified as an offset When the machine is provided with an automatic measurement function for tool and workpiece a difference value in relation to the accurate value may be input in the NC as the amount of correction with the function Make sure to operate by following the instruction manual supplied by manufacturer because of machine manufacturers difference in programming operating functions and restrictions 3 6 6 To input offset through program G10 The offsets for tool position offset tool length compensation and tool radius compensation may be specified by G10 instruction in programming The instruction has the following format G10 PpRr_ p Offset number r Offset Whether the offset is absolute or incremental depends on G90 or G91 mode 3 6 7 Zooming function G50 G51 The zooming of the switch specified in machine program may be performed through instruction First the zooming scale shall be enabled in No 64 parameter G511 J K P l J K X Y and Z coordinates in zooming 110 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming P Zooming ratio minimum input incremental 0 001 With the instruction the move instruction that follows is converted by the zooming rati
171. om the reference point by 1u as a result of that the minimum input increment is less than the minimum traveling increment of the mechanical system 3 5 8 2 Automatic return to reference point G28 G28 a B The addresses a and B shall be selected from X Y Z and additional axes A B C U V and W However additional axes can only be individually controlled without additional axis gang control function The axis specified by the instruction can be automatically positioned at the reference point As move instructions a and B shall be specified in absolute incremental value in G90 G91 mode The end point of the instruction is called intermediate point and the coordinates specified by this instruction are saved to the NC The procedures in the G28 block are as follows First all controlled axes are positioned at intermediate points rapidly Then they move from the intermediate points to the reference points If now the machine is not locked the indicator for return to the reference point is lit The positioning at the intermediate point and reference point in this way is equivalent to the positioning of GOO The instruction for 3 axis link is as follows G28a B r 52 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The addresses a 8 and r shall be selected from X Y Z and additional axes A B C U V and W The following instruction is allowed for 4 axis link funct
172. ons X 12 34 Note 1 If one of G45 G48 is specified for 2 axis gang control the tool offset is valid for both axes For G45 Move instruction X1000 0 Y5000 0 Offset 200 0 Offset No 02 Programming instruction G45 G01 X1000 0 Y500 0 D02 Offset End point Actual tool path i 1 Offset value Point of origin 4 om Programmed path Note 2 During bevel machining it is subject to overcutting or under cutting if tool offsetting is performed 70 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Actual machined shape Aa G01X_F_ G47 X__Y__ N Ove rcutting Desired shape to be machined G01 G45X_F_D J X_Y_ Actual machined shape G45Y__ Undercutting Note 3 When the offset is higher than the move instruction value the actual moving direction of the tool will be contrary to the programmed direction Programming instruction Tool movement grammin gins Point of origin End point Example G46 X2 50 Incremental instruction Equivalent to X 1 20 Offset 3 70 Note 4 For arc interpolation G02 G03 only the tool offset under the conditions of 1 4 and 3 4 circles may be resulted by G45 to G48 instructions That is tool compensation is only available for 1 4 and 3 4 arc instructions Example 6 21 Offset 20 0 Offset No 01 71 GSK983M Milling CNC System Operation Manual Volume
173. ons and the restart of automatic operations Under these conditions the vector at the starting point of the block that follows is translated while other vectors are created by the next two blocks Therefore compensation is automatically performed from point Pc 108 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 13 14 Ya VEZ i f Vc A z f CAN T Programmed path of N BL S Nan absolute instruction Pej eM MDI operations 2 Lea 3 y PA P V B When points Pa Pg and Pc are specified in an absolute instruction the tool is stopped at the end point of the blocks Pato Pg by the single block function Now the means for translation are operated by MDI Vectors V and V are translated to V and V The V and Vc between P P and P P need to be recalculated Since the vector V is not to be calculated compensation will be accurately performed from point P Manual inputting interference Refer to Volume II Section 4 3 4 3 e Note 1 for the manual inputting interference during tool compensation The tool compensation involving with the 4 axis Tool compensation cannot be performed for the 4 axis because the offset plane involving with the 4 axis is not provided 3 6 4 D and H functions Address D and H are used to specify tool offset and tool compensation They use the same number and the same compensation value Address D differs f
174. ordinate system setting G92 To move the cutting tool to a specific point with absolute instruction make sure to preset the coordinate system which is established with the following instruction G92X X Y Y Z Z r r 5 r O A B C U V W The instruction establishes a coordinate system whose origin is located at a point keeping a specified distance from the tool The following absolute instruction will refer to the coordinates in the workpiece coordinate system 56 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 25 0 G92 X25 0 223 0 As shown in the above program G92 is used at the beginning of the block to ensure the nose of the tool coincides with the origin of the program G92 X600 0 2Z1200 0 As shown in the above diagram G92 will confirm that the tool point coincides with the origin of the program and execute an absolute instruction The standard point is positioned at the specified point To position the nose of the tool to the specified point the deviation of the nose of the point from the reference point shall be corrected by tool length compensation Note 1 In the coordinate system established with G92 instruction in offset mode the coordinates of the tool in specified position does not include offset Note 2 Tool radius compensation is temporarily disabled by G92 instruction 3 5 13 Workpiece coordinate system G54 G59 G92 instructio
175. ot be changed Minimum set unit Address Input in mm Input in inch Dimension word X Y Z Q R I J K U V W 0 0001inch Revolution axis A B C 0 01 X 0 001s P 0 001s It cannot be changed in the following cases Dwell time a Inputting differs from the above conditions b Display unit c Maximum range of instruction value d Units of step feed and manual feed e Offset input f Others Note 1 In the following descriptions herein input unit is either 0 0001inch or 0 001mm Note 2 Display unit may become 0 01mm or 0 01 degree by parameter No 006 BIT2 MDL setting 3 3 3 Maximum travel The maximum travels that can be instructed of the device are as listed in the table below Input in mm and Input in inch and Input in mm and Input in inch and output in mm output in mm output in inch output in inch 99999 999mm 3937 0078inch 99999 999mm 9999 9999inch 99999 999 99999 999 99999 999 99999 999 Note The travels listed in the above table change depending on different machines 3 3 4 Program origin and coordinate system Program origin and coordinate system shall be determined during programming Generally a specific point on the workpiece is determined as the program origin 26 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Z Program origin Y This coordinate system is a workpiece coordinate system 3 3 5 Coordinat
176. over the block with a n The 1 in 1 can be ignored However the 1 in 1 must not be ignored when two or more OPTIONAL BLOCK SKTP switches are used When an OPTIONAL BLOCK SKTP switch is enabled the ignored area is as follows 3 2N123G01X4 0 cceceeee eee lt __ lgnored area Example N100X100 N101 2z100 N102 2 3X200 N103 3z200 In the above example blocks N101 and N102 will be skipped over when No 2 switch is enabled and N102 and N103 skipped over when No 3 switch enabled Note 1 Slash shall be specified at the beginning of a block If it is specified at other places of a block Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 Note 8 the information from the slash to EOB code will be ignored but the information before the slash will remain valid When the OPTIONAL BLOCK SKTP switch is enabled TH and TV checkouts shall be performed for the skipped part as the switch is disabled The block to be skipped over is identified when the memory sends information to the buffer register When the block preceded by a slash is written in the buffer register it will not be ignored even if the OPTIONAL BLOCK SKTP switch is enabled The function remains available during sequence number searching The function is invalid when saving a program in the memory That is the block preceded by a slash will be written in the memory regardless the state of OPTIONIAL BLOCK SKIP The
177. pecified in block G01 X Y Now all hole machining modes and hole machining data except F are cancelled 118 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming All machining means are described as follows 1 G73 high speed peck drilling G73 with G98 G73 with G99 Se 4 Point R Point R e A A oo 0 Point Z Point Z Backing a value is set by parameter No 067 CYCR Drilling may be efficiently performed and cutting easily prevented by axis Z s discontinuous feed Backing is carried out at rapid traverse positioning rate 2 G74 left hand tapping cycle G74 with G98 G74 with G99 Origin p s e is ae Spindle _ Spindle _ reverse rotation reverse rotation op nR Point R faali gt Point Z sq Point Z Spindle Spindle forward rotation forward rotation The instruction specifies that the spindle forward rotate at hole bottom and then perform a left hand tapping cycle Note If feedrate override is neglected or feed hold occurs during tapping with G74 machining will not stop until the fixed cycle is completed 119 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 G76 Finish boring G76 with G98 G76 with G99 Spindle forward rotation L E Origin Spindle forwar
178. pecify a as the imaginary axis G07a1 Specify a as the real axis a X Y Z or additional axes A B C U V and W After instruction GO7a0 axis a is deemed as an imaginary axis until G07a1 instruction is given For the single period sine interpolation in Y Z plane axis X serves as an imaginary axis X Y r arc radius 2 Y rsin Z the travel distance along axis Z in a single period 48 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming lt Example of program y 10 0 ee N001 G07 XO N002 G91 G17 G03 X 200 Y0 0 NO003 G01 X10 0 NO004 G07 X1 l 10 0 Z20 0 F100 Axis X is deemed as an imaginary axis during N002 N003 blocks In the NOO3 block spiral curve cutting instruction is given in this way when axis Z is used a linear axis However axis Y moves only when axis Z is performing sine interpolation since axis X does not move In NOO3 block the machine is in suspended state after interpolation because axis X does not move Note 1 Imaginary axis is only available for automatic operation but not for manual operation Note 2 Interlock travel limit and external deceleration are also available for imaginary axis Note 3 Manual insertion is also valid for imaginary axis That is the axis moves by manual insertion 3 5 7 Thread cutting G33 The possibility of cutting determines the threads of screw pitch G33Z Z F f Where Z is t
179. peration Manual Volume l Specifications and Programming Note 2 Dwell and time delay are applicable for the two conditions below and are enabled by parameter setting 1 After the speed of the foregoing block drops to 0 2 After the tool reaches the instruction value after the inspection of locating point 3 5 10 Accurate stop detection G09 A block involving G09 reduces its feedrate to 0 at the end point and affirms the state of locating point Note 2 Then the next block is executed The function is used to machine a sharp edge or corner G09 is only valid in its specified block Note 1 Locating point detection is automatically performed in the locate modes GOO G60 without G09 Note 2 Locating point means that a feed motor is within the range of the specified end point 3 5 11 Accurate stop detecting mode G61 and cutting mode G64 1 Accurate stop detecting mode G61 The move instructions of all blocks following G61 decelerate to O at its end point until G64 instruction They are determined as being in positioned state and then the next block is executed 2 Cutting mode G64 The blocks following G64 do not accelerate until the end point of the move instruction of G61 but immediately go to the next block Even in the G64 mode feedrate is reduced to 0 and positioning detection is performed under a positioning instruction G00 or G60 or in the blocks that has determined G09 accurate stop detection 3 5 12 Co
180. point PIVOT NCD SO 4 Q 12 34 5 67 18 01 c Move instruction offset 5 67 d Move instruction 12 34 offset 5 67 End point Paint of origin End paint Point of origin Oe ae ALO 5 67 12 34 18 01 2 G46 instruction only to reduce by one offset If the sign of the offset is reversed in G45 instruction it will be identical with G46 a Move instruction 12 34 offset 5 67 b d omitted Point of origin End point 3 G47 instruction lengthen the offset by twice a Move instruction 12 34 offset 1 23 b Move instruction 12 34 offset 1 23 Point of origin End point Point of origin End point c Move instruction 12 34 offset 1 23 d Move instruction 12 34 offset 1 23 Point of origin End point End point Point of origin T 12 34 9 88 4 G48 instruction to reduce the offset by twice 69 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming If the sign of the offset is reversed in G47 instruction it will be identical with G48 a Move instruction 12 34 offset 1 23 b d omitted Point of origin End point le ee A When offset is moved in the mode of incremental instruction G91 the instruction for travel will be 0 No movement will be performed if the travel instructed in the mode of absolute instruction G90 Offset 12 34 offset No 01 NC instruction G91 G45 X0 D01 G91 G46 X0 D01 G91 G45 X 0 D01 G91 G46 X 0 D01 Equivalent instructi
181. position of origin or Point R through G98 and G99 Then the instruction of the next block is executed Fixed cycle II reverse boring cycle Once axes X and Y are positioned the spindle stops and the tool offset in the direction contrary to the tool nose and is rapidly positioned at the hole bottom Point R Here the tool returns in the original amount of offset The spindle starts clockwise and performs machining in the direction of axis Z until Point Z It does not suspend even under P instruction After the spindle stops here again the tool backs out from the original offset and moves upward Then the tool returns to the origin and backs out in the original offset The spindle rotates forward and the next block starts The offsets and directions of axes X and Y are identical with G76 Refer to G76 and G87 for the setting of direction Note Fixed cycle is set by parameter No 009 BIT7 FIX2 and signals SRV and SSP are used as the output signals for spindle reverse rotation and spindle stop Fixed cycle Il is set by parameter No 009 BIT7 FIX2 and M codes are used as the output 125 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming signals for spindle reverse rotation spindle stop and spindle oriented stop 12 G88 boring cycle G88 with G98 G88 with G99 ae _ Spindle ay V forward rotation V P Ona Jir i a ene oe gp a Spindle Kee _ forward rotation i gt Point R yY b i g
182. positioning is changed into cutting feed at a distance of a millimeter or inch from the machined position Q value is specified in positive number Minus sign is neglected if it is 122 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 8 specified with a negative number Distance d is set by parameter CYCD G84 Tapping cycle G84 with G98 G84 with G99 4 9 9 Origin h Ace eo i _ Spindle Spinde a forward rotation i forward rotation Point R Point R I Point Z Point Z w Spindle ki Spindle reverse rotation reverse rotation EEPE E IA E AOE gt Rapid traverse positioning gt Cutting feed The instruction requires the spindle to counterclockwise rotate at hole bottom and perform a tapping cycle Note Feed override is neglected and it shall not stop until the end of the cycle during the tapping instructed by G84 It will not be affected even Feedrate occurs at this time G85 Boring cycle G85 with G98 G85 with G99 9 4 Origin i i i t ee Wa Point R f oR Point Z Potni The instruction is similar to G84 except that spindle does not rotate reversely at hole bottom 123 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 10 11 G86 Boring cycle G86 with G98 G86 with G99 f _ Spindie s EENE eo forward rotation j O
183. program numbers 9900 9999 are used as robot data Note 9 When there is no M02 M30 or M99 but ER EIA ISO at the end of the program or the next program number is 0 the end of the program shall be set by parameter No 306 BIT3 NEOP 3 2 7 Sequence number A sequence number may be specified with N followed by four or less digits 1 9999 at the start of a block The order of sequence numbers is random and discontinuous It is likely that all blocks are provided with sequence numbers or sequence numbers are only added at the necessary locations of a program It is recommended to specify sequence number in succession at key locations e g when replacing new tools or change the worktable indexing to a new machined surface Note 1 The use of the sequence number NO is not allowed for the purpose of compatibility with the program formats of other NC units Note 2 Since 0 cannot be used as a program number the sequence number treated as a program number shall not be 0 3 2 8 To skip over an optional block When a slash followed by a digit n n 1 9 is specified at the beginning of a block and the 21 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming OPTIONAL BLOCK SKTP switch n is enabled on the operation panel the block with a n corresponding to switch number n will be ignored When the OPTIONAL BLOCK SKTP switch n is disabled the block with a n is valid namely operator may choose to skip
184. programs may be completely output from the memory regardless the state of OPTIONIAL BLOCK SKIP Some OPTIONIAL BLOCK SKIP switches are likely to be unavailable for some machines Therefore it is necessary to consult the machine manufacturer for the number of usable switches For the system with additional function to skip over an optional block the 1 in 1 must not be omitted if there are two or more marks for skipping over an optional block in one block 1 shall be specified as per the above requirements Example Incorrect 3 GOO X10 0 Correct 1 3 GOO X10 0 22 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 3 Dimension Word A dimension word prescribes the movement of a tool It composes a relevant instruction with the address of a kinematical axis and a value indicating the direction and amount of travel It varies depending on the different absolute and incremental programming modes See Section 3 3 8 Address of dimension world Meaning The addresses of all axes in a rectangular coordinate Basic axes X Y Z system To indicate the location of the axis or the distance in axial direction The addresses of the 4 and 5 axes To indicate the Additional axes A B C U V W angle of axis of rotation or the location and distance of linear axis Arc To specify the radius of an arc interpolation To indicate the distance from the home point to the arc paramet
185. ps Path of tool nose center G41 mode t N5 G01 X1000 N6 G02 X1000 I0 JO N7 G03 Y 1000 J 1000 Programmed path E N5 NG Offset cancellation When executing a block satisfying one of the following requirements in offset mode the system enters into tool cancellation mode The function of the block is called offset cancellation a G40 is instructed b DOO is instructed as a tool compensation number G02 and G03 cannot be instructed when offset cancellation is performed If they are instructed No 34 alarm will be sent out and NC will stop When a block is read in offset cancellation mode two blocks including that stored in the buffer not display for tool compensation will be executed In single block mode a block is read in 86 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming and executed before stop The next block is read in and executed by pressing the START button After the control system enters into cancellation mode the next executed block will be normally saved in the buffer register rather than typed in the tool compensation buffer register a To machine an interior angle a2180 Straight line Straight line Programmed path Path of tool nose center Tiaki ee ea L SN LAN Arc Straight line p 640 Programmed path j LA Tool center path b To machine an exterior angle 90 lt a lt 180 obtuse angle i TypeA Straight line g
186. red to Programming shall be performed on the basis of full knowledge about the programming ranges of a specific machine tool Table 2 5 Basic addresses and ranges of instruction values including additional options Input in inch Output in inch Input in mm Input in inch Input in mm Output in mm Outputinmm Output in inch Name Address ISO Program No nn 1 9999 See the left See the left See the left Sequence No N 1 9999 z GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Preparatory function Coordinate word Feed per minute 99999 999mm 99999 999 1 15000 mm min 3937 007 8inch 99999 999 0 01 600 00 inch min 99999 999mm 99999 999 1 15000 mm min 937 007 8inch 9999 999 0 01 600 00 inch min Feed per minute feedrate 1 10 parameter setting 0 1 15000 0 mm min See the above 0 1 15000 0 mm min See the above Spindle function 0 30000 See the left See the left See the left Tool function 0 9999 Miscellaneous function 0 99 Dwell 0s 99999 99s Sequence No setting 1 9999 Repeated times 1 9999 Offset No 0 200 ore auxiliary function 0 999 3 2 6 Program number The control unit can store a number of programs in the memory of the NC Program numbers are added to all programs in order to distinguish them
187. reversely after dwell Point R f Point R PointZ Point Z w Spindle rotates forward after dwell o Spindle rotates forward after dwell b G84 Tapping cycle G84 X Y Z R P F G84 with G98 G84 with G99 gt Origin Spindle rotates _ forward after as dwell PointR f j j 1 pe 0 Point Z Spindle rotates reversely after dwell ey Point Z z Spindle rotates gt reversely after dwell Spindle rotates _ forward after dwell oint R E 3 SP 130 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Example 7 2 2 Programming using tool length compensation and fixed cycle Reference point BEEJ l 6 Drill hole 10mm 7 10 Drill hole 20mm Bs 11 13 Bore hole 95mm Retract position 250 Origin benchmark x oS ee AE 1 H11 200mm H15 1 90mm H31 1 50mm bs hole rae poe Bore hole 10mm 95mm H11 pen H31 Tool length compensation 4 t Example of program NO001 G92 XO YO ZO Set the coordinate system at the reference point N002 G90 G00 2250 0 T11 M06 Tool change NO03 G42 ZO H11 Origin amp tool length compensation N004 S30 M03 Spindle start NOO5 G99 G81 X400 0 Y 350 0 Z 153 0 R 97 0 F120 Drill 1 hole after positioning NOO6 Y 550 0 Drill 2 hole after positioning and returning to Point R NOO7 G98 Y 750 0 Dri
188. rigin Point R Point Z Spindle stop Spindle at ae iat forward rotation 2 y Point R Od i Point Z ig Spindle stop The instruction is equivalent to G81 except stop at hole bottom and return by rapid traverse G87 Boring cycle Reverse boring cycle G87 with G98 G87 with G99 5 _ Spindle start Fixed Y 4 Origin cycle gt PointzZ Spindle stop _ Spindle start ay PointR oaoa 5 t Point Z Spindle stop 124 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming GED H Not use rA 1 cm Spindle stat lt ra Y i i i i i l l i i l i i i j Fixed bayer I PointZ cycle II 6 lt 1 Point R i Spindle start paatgengsas gt Rapid traverse __ Cutting feed ANAVAN Manual feed _ gt Tool offset Spindle accurate stop Fixed cycle boring cycle The control system enters into Feedrate mode when the tool reaches the hole bottom and the spindle stops In this condition the tool may travel by manual means Any manual operation may be performed For the purpose of safety however the tool shall be withdrawn from the hole To restart machining it is necessary to switch to DNC or automatic mode and press the CYCLE START key The spindle rotates forward after the tool returns to the
189. rom H as follows D For tool diameter compensation tool diameter compensation and tool position offset H For tool length compensation tool diameter compensation and tool position offset The codes and offsets are input in storage through MDI LCD panel correspondingly so as to specify one two digit code to perform the relevant compensation The specified usable value is selected in the following range No 30 alarm will be given if a value beyond the range is specified 109 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming The compensation specified by HOO and DOO are always 0 HOO and DOO are made certain after power on The standard number of tool compensation is 32 01 32 When options A B and C are selected for the number of tool compensation they correspond to 64 01 64 99 01 99 and 200 01 200 respectively Note 1 Tool compensation in G40 G41 and G42 modes always use D codes Tool length compensation G43 G44 G49 always use H codes Whether tool offset G45 G46 G47 and G48 uses D codes or H codes are specified by parameter No 010 BIT3 OFSD Note 2 When an additional tool offset number B is used make sure to select a part program to save edit B 40m F 1280m Note 3 When an additional tool offset number C is used make sure to select a part program to save edit C 40m F 1280m 3 6 5 External tool offset The function is designed for correction of an offset fr
190. s gt can also be omitted and the program is unconditionally forwarded to block n in this case 163 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming lt Conditions gt is of the following types JEQ K HINE K JGT K gt JLT K lt JGE K2 JLE K lt j and k may also be substituted with lt Formula gt and n with a variable or lt Formula gt Note 1 The blocks with a sequence number following n are executed after GOTOn and block shall be preceded by the sequence number n Note 2 When executing GOTON the more distant Nn block is in the same direction the longer executing time will be O XXXX Nn amp t Nn GOTO n Nn 4 Nn In the above figure the executing time increases in the order of DOD The GOTOn that has been executed for more times only keeps a short distance from Nn block When the contents of a variable are used for measurement as well as warning it is recommended not to use the warning program to approach GOTOn statement The warning program departs from GOTOn Example 10 5 1 When 1210 No 150 alarm will be given IF 1GE10 GOTO150 The conditions in which no alarm will be given M99 N150 3000 150 M99 If NEOP NO 306 is set by parameter the program will be saved in storage and M99 will not be used as the end of program Note3 During the execution of GOTO alarm may be given in the following events 164 GSK983M Milling CNC Sys
191. s Z using instructions G43 and G44 The offset number must be selected within 01 32 using H codes The offset shall fall within 999 999mm or 99 999 inches Tool radius compensation B C G40 G42 Tool radius compensation is possible using instructions G40 G42 The offset number must be specified within 01 32 using D codes The offset shall fall within 999 999mm or 99 999 inches Cutter compensation B is unavailable for a tool of a medial angle less than 90 Cutter compensation O can be used for the tool of a medial angle less than 90 Tool length measurement Manually position the standard tool to the fixed point of the machine tool Then manually position the machine tool to be measured to the same mechanical point The length compensation of the tool will be input as offset once z INPUT is pressed Tool life management function Additional offset memory A Divide the tools in the cutting tool room into several groups and specify service life for each group of cutting tools Accumulate the tool processing time or processing number that serves as the evaluation standard for tool life whenever a tool in the groups is used The next cutting tool in the predetermined sequence is automatically selected in the same group when the tool reaches its service life The numbers of tool offset and tool radius compensation may be increased to 64 Additional offset memory B The numbers of tool o
192. s and Programming 7 Variable corresponding to the setting data 3005 Setting data is established by assigning a value to the system variable 3005 Its digits correspond to all setting data when the system variable 3005 is expressed as a binary number 3005 L_ X MIRROR IMAGE I Y MIRROR IMAGE A MIRROR IMAGE TV CHECK PUNCH CODE INPUT UNIT INPUT DEVICE1 INPUT DEVICE2 Example If 3005 55 instruction is executed the setting data is established as follows X MIRROR IMAGE X mirror image 1 Y MIRROR IMAGE Y mirror image 1 A MIRROR IMAGE A mirror image 1 TV CHECK vertical check 0 PUNCH CODE code standard 1 INPUT UNIT input unit 1 INPUT DEVICE1 input device 1 0 INPUT DEVICE2 input device 2 0 Modal messages 4001 4120 The present value instructed by a modal message may be determined by readable system variables 4001 to 4120 Its unit is the unit during instruction System variables Modal messages 4001 G codes Group 01 40021 G codes Group 21 4102 B codes 4107 D codes 4109 F codes 4111 H codes 4113 M codes 4114 Sequence numbers 4115 Program numbers 4119 S codes 4120 T codes 156 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Example 10 3 6 Boring cycle equivalent to G86 during incremental value absolute value mixed programming Macro call instruction G65 P9086L Number of repetitions R
193. s and Programming 1 The addresses prohibited from using variable 1 O and N namely 27 or N 1 or equivalent expressions are not allowed The n folds n 1 9 in SKIP OPTIONAL BLOCKS n cannot be used as a variable 2 The method for replacing a variable number with a variable is as follows When the 5 in 5 is replaced with 30 it shall not be written as 30 but 30 3 For all addresses their variable value must not exceed their maximum instruction value For instance when 140 120 M 140 exceeds its maximum value M code shall be less than 99 4 Numerical number shall not be used for identification purpose When 30 02 for instance F 30 shall be deemed as F2 5 0 and 0 are not identifiable namely when 4 0 X 4 is deemed as X 0 6 When a variable is used for address data the numerical value below significant bit shall be rounded half adjust 7 The numerical value following an address can also be replaced with lt Formula gt If lt Formula gt lt Formula gt or lt Formula gt lt Formula gt is used as a program the value or complement of lt Formula gt shall be the instruction value of the address Caution For a constant without a decimal point in parentheses assume there is a decimal point at its end Example 10 2 4 X 24 18 COS 1 Z 18 26 3 10 2 3 Undefined variables Undefined variable value is called lt Empty gt Variab
194. s cumulative error for an incremental value instruction and has no cumulative error but rounding error for an absolute value instruction The instructed digits must not exceed the allowable maximum digit X1 23456789 There is an error because it has more than 8 digits X1 2345678 There is no error when it is up to 8 digits inclusive Note 6 When a figure with a decimal point is entered the figure will be converted into the integer of the minimum input increment Example X12 34 t 12340 entered in metric system In addition it is necessary to perform digit number verification for the converted integer Example X1234567 8 gt X1234567800 entered in metric system It gives an alarm because the number of digits exceeds 8 3 2 5 Maximum instruction value The maximum instruction values of all addresses are as listed in the table below Take note that what the table lists are the ranges of the maximum specified values for the NC unit rather than the mechanical moving ranges of the NC machine tool For instance the moving range of X axis is about 100m entered in metric system for an NC unit while the travel distance of axis X is likely to be limited to 2m for a machine tool and so is its feedrate The cutting feedrate of an NC unit is up to 15m min while that of an NC machine tool is likely to be limited to 6m min In actual programming both this manual and the instruction manual supplied by machine builder shall be refer
195. s possible set an offset vector in relation to the direction of the foregoing block by individually instructing G codes G41 G42 for tool compensation in offset mode so as to create a correct angle It is independent of the inner wall or outer wall to be processed Correct arc motion cannot be performed provided that the codes G41 G42 are included in an arc instruction To reverse the direction of compensation through the G codes G41 G42 for tool compensation refer to Note 2 To change offsetting direction in offset mode Straight line Straight line Arc Straight line Note 2 Change offsetting direction in offset mode Offsetting direction is identified with the G codes G41 and G42 for tool compensation and offset signs as follows Eel oo 90 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Offsetting to the left Offsetting to the right Offsetting to the right Offsetting to the left In special cases offsetting direction can be changed by switching between G41 and G42 in offset mode However it cannot be changed for the start up block and the block that follows In the situation of changing offsetting direction the concepts of interior side and exterior side are canceled to adapt to all conditions The amounts of offset are assumed to be positive in all the following examples Straight line Straight line Programmed path A Path of tool nose center Straig
196. s sods dese E E cede sesaees 138 3 9 1 Creation Of a SUDPFOQrAIM c ceeceesesesesesesesssssseseseseseececeesesesesenenesssensnsnseseseseseaeseeseeseeseeeeeeceesenenens 139 3 9 2 Execution of a Subprogram serae nni pn E E A A ee eS 139 3 9 3 Special methods of APPLICATION cece sssseeeeeseeeeeeesesesenenensnssenensnseseseseseseaeseeseseececeesesesenens 140 STO USCK MACK esccsccsscsssasscssossoassassssssonssasasscssesccsesaceconsodscanseniseascesceadsasoadeakesnssesceassvaatassescoesonssecansasbascese 142 3210 4 Generales ccc arian n a e Bia hed Between sive ae ae a ie oto aes 142 CERZE ATE OS eee crease Sth se R22 E EBs A See IA ot ee a OO NE 144 3 10 2 1 Indication Of a variable oo ee ccc ecesesesssesesesesesesesesesesesesescscececsesesesenensnsacseneseacseaeasaseceeeeeeets 144 3 10 2 2 Introduction of variables 2 0 ce ccececeseseseseseseseseseseseseseeeceeeceeeceesesesesenenessssneseaeseaeaeaeasaeeeeeees 144 3 10 2 3 Undefined Variables scc ciesatietntainc tei tae Seca eee eS 145 3 10 2 4 Display and Setting Of Variable ecesesesssssseseeeseseseeesceesesesesensnsscsenenseseaeaeaeaeaeeeneees 146 3 10 3 Types of Variables 2c i00 a0 as pci ottccnti E i ice SERB ee URE ants 146 3 10 3 1 Local variables Vi 33 csc csciicnain cet euiiieicn anc ate A EEE T 147 3 10 3 2 Common variables 100 149 500 509 ooo cece csecsesecssesenee 147 3 10 3 3 System variables for user Macro B ce cecececessesseeeeseseseeeecsesesesenenen
197. ser may follow the above procedures for the conditions of arc to straight line straight line to arc and arc to arc ii To machine an obtuse angle along the exterior side 90 sa lt 180 Straight line Straight line Nea i Programmed path Fae j Saree Path of tool nose center Intersection L point Straight line Arc 83 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming S ae bs c Intersection point Path of tool nose center Programmed path Arc Straight line Programmed path Path of tool nose center Intersection point Arc Arc gt a CSN Intersection point L cane Programmed path Path of tool nose center iii To machine an acute angle along the exterior side Straight line Straight line Ly f LA P s ee Programmed path N Ea A pr Gaa ia renee Path of tool nose center Straight line Arc 84 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming pi Programmed path Path of tool nose center Arc Straight line l o j A eN r s as Programmed path or ie NY Zs 5 a a eae Path of tool nose center Arc Arc l CF i SS AN Programmed path Path of tool nose center Note 1 Special cases When the end point of an arc is not on it Imaginary circle Ss End point y Arc lead ge ay Programmed path S
198. set G54 G59 External workpiece offset G54 G59 External workpiece offset G54 The fourth G59 External workpiece offset The fifth Example 10 3 2 30 2005 Substitute the tool offset of the offset number for variable 30 When the offset is 1 500mm 0 500inch the value of 30 will change into 1 5 0 15 152 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 2210 8 Alter the offset of Offset number 10 so that it is equal to the value of variable 8 Alarm 3000 When error is found in a macro an alarm will be given If the alarm number is specified in system variable 3000 the warning lamp will be lit and NC unit will be in warning state 3000 n ALARM MESSAGE Select the alarm number not used in standard specifications and set it in the macro n lt 200 A warning less than 26 characters may be specified between the note start code and note end code Clocks 3001 3002 It is possible to know the time of the clock by reading the values of system changes 3000 and 3002 for the clock Time can also be preset by evaluation to the system variable Counting Type System variable Unit of time Power on bes condition Clock 1 3001 ims Reset to 0 Any time When there is an Clock 2 The same as power off j STL signal The accuracies of all clocks fall within 16ms The accuracy beyond the range of Clock 1 will be reset to 0
199. speed Manual feed at any angle Sequence number comparison stop The function is used to set the angle of the positive direction of axis X on the dial gauge of the operation panel of the machine and to make Jog feed in the set direction In the XY plane this function is only valid for the increment of 5 spacing within 0 360 range Once the block with the same sequence number as the preset one appears in the execution of a program a single block will be in stop status when the execution of the program ends The function is used to check a program Indication of running time The NC automatic running time can be indicated on LCD in seconds minutes and hours Menu switch The ON OFF can be controlled by using the settings on MDI LCD rather than the switches on the operation panel on the machine GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 98 User macros These are the intrinsic functions available for manufacturer and A and B user and types A and B are provided due to functional limits 99 Graphic display The tracks of cutting tools are traced out on LCD The manual pulse generator on the operation panel can be used to perform Jog feed of the machine The manual pulse 100 Manual pulse generator generator sends out 100 pulses each turn The travel of each pulse can be switched between 1x 10x and 100x depending on the signals on the machine side P
200. ss than 180 G02 X6 0 Y2 0 R5 0 2 The arc over 180 G02 X6 0 Y2 0 R 5 0 46 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Y 50nm End point Diy Origin gt q y Y5 0 i i Example of program g se 109 60 40 pe ee 90 120 140 200 a Absolute programming 1 G92 X200 0 Y40 0 ZO G90 G03 X140 0 Y100 0 1 60 0 F300 0 G02 X120 0 Y60 0 l 50 0 2 G92 X200 0 Y40 0 ZO G90 G03 X140 0 Y100 0 R60 0 F300 G01 X120 0 Y60 0 R50 0 b Increment programming 1 G91 G03 X 60 0 Y60 0 l 60 0 F300 G02 X 20 0 Y 40 0 l 50 0 Il G91 G03 X 60 0 Y60 0 R60 0 F300 G02 X 20 0 Y 40 0 R50 0 The tangential feedrate of arc interpolation is equal to the cutting feedrate specified by F codes However the arc interpolation involving the fourth axis is not allowed Note 1 In arc interpolation 10 JO or KO may be omitted Note 2 When the end point of an arc coincides with its origin J and K are used to instruct a center of a circle for programming a 360 arc full circle and X Y and Z may be omitted Note 3 It will give No 023 alarm if an arc of radius of 0 is programmed Note 4 The deviation of instruction feedrate from actual tool feedrate is less than or equal to 2 In tool radius compensation the actual tool feedrate is the speed of the tool center path Note 5 If the addresses I J K and R are assigned to the same block the arc sp
201. sually G92 shall not be used in conjunction with G54 G59 Note When using the workpiece coordinate system established by G54 G59 make sure to return to the first reference point after switching on so that G54 will automatically generate a workpiece system Hence it is not necessary to set an automatic coordinate system 3 3 7 Reference position point Reference point is a fixed point on the machine Reference point return function allows the cutting tool to return to the reference point Therefore a program is likely not to start from one point on a workpiece coordinate system but from the reference point In this case the return of the tool to the position of the reference point shall always be specified with G92 in the workpiece coordinate system because the reference point is a specific point on the machine and the program is developed on the basis of the workpiece coordinate system with a point on the workpiece as its origin 28 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Y 4 _ Workpiece Program origin Reference point Note G92 instruction is not necessary when the workpiece coordinate systems established with G54 G59 are used 3 3 8 Absolute value instruction and incremental value instruction The distance that a cutting tool moves along all axes may be programmed with an incremental instruction or absolute instruction It is possible to directly program
202. t Point Z 0 Se Spindle stops i Pointz J aa Spindle stops rotation after pausing rotation after pausing Except that the spindle stops rotation after pausing at hole bottom the instruction is similar to G87 fixed cycle 13 G89 boring cycle G89 with G98 G89 with G99 9 Origin ARR ater on ete Point i Point R oin a Point Z Point z DN Dwell Dwell Though it is similar to G85 the spindle needs to dwell at hole bottom 3 7 2 1 Repeating a fixed cycle To repeatedly machine equally spaced holes with the same fixed cycle it is possible to specify the number of repetitions with address L which is up to 9999 and is only valid in some existing 126 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming block __The last machining position Current position The first machining position LY G81 X Y Z R L 5 F X Y specifies the first machining position in an incremental value in G91 mode If the instruction specifies it in an absolute value in G90 mode drilling will be repeatedly performed at the same point In a fixed cycle the time constant of automatic acceleration deceleration can be automatically switched It is switched to the time constant of rapid traverse positioning or cutting feed depends on all feed motions After deceleration is completed at the e
203. t Straight line 6407 Programmed path f 4 Fi AD Cy H L G42 r Tool center path y ag Straight line Arc 87 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming f cio 9 f na IL GA2 P l Programmed path Tool center path ii Type B Straight line Straight line Programmed path i Ar j Path oftoolnosecenter ie L Intersection point Arc Straight line fet a Meat bg S Intersection point Programmed path Path of tool nose center c To machine the exterior angle of an acute angle a lt 90 i TypeA Straight line Straight line 88 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming S640 k g Programmed path X ara L Arc Straight line Programmed path Path of tool nose center ii Type B Straight line Straight line G40 a Rr Programmed path de Pe ii 4 Ab gt Arc Straight line Fd Eg f a Programmed path LC Path of tool nose center Note For the situation of type B compensation is performed as follows when the tool machine an acute angle below 1 by means of straight line to straight line from the exterior side 89 _GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming G42 4 eass Programmed path 64 a i a Less than 1 5 G codes for tool compensation in offset mode It i
204. tem 6 unidirectional positioning Accurate stop detecting mode To enable automatic angle adjustment Cutting mode Simple recall of a microinstruction Modal recall of microinstruction To cancel modal recall of microinstruction Gun drilling cycle Reverse tapping cycle Finish boring To disable fixed cycle Drilling cycle spotter Drilling cycle counterboring Peck drilling cycle Tapping cycle Boring cycle Boring cycle Reverse boring cycle Boring cycle Boring cycle 39 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G90 03 Absolute value programming Incremental value programming Absolute zero programming Feed per minute 05 Feed per rotation 40 To return fixed cycle to the initial point To return fixed cycle to point R Note 1 The G codes marked with are the initial G codes of all groups That is these G codes are established when the system parameters specifying initial G codes are validated by powering on or pressing the RESET key For G22 and G23 G22 is selected when power is switched on and G22 or G23 one of them is valid before reset is established after reset The selection of the state of the initial G codes such as GOO G01 G43 G44 G49 G90 G91 or G94 and G95 shall be set by parameters G00 G43 G44 G90 and G95 For G20 or
205. tem Operation Manual Volume l Specifications and Programming When a macro operation cannot be properly executed in an address If GOTO is executed when 1 1 No 119 alarm will be given in the block X SQRT 1 When the conditions specified by WHILE cannot be correctly executed If GOTO is executed when 1 0 No 112 alarm will be given in the block WHILE 10 1 GE2 D0 1 In this case change the following program 2 SQRT 1 x 2 2 10 1 WHILE 2 GE 2 D0 1 2 10 1 END 1 Operation instruction does not give an alarm even GOTO is executed 3 10 5 2 Repeat how to select Macro B WHILE lt Conditions gt DOm m 1 2 3 ENDm When lt Conditions gt is satisfied the block from DOm to ENDm will be repeatedly executed That is when the conditional expression lt Conditions gt for judging DOm block is satisfied the program will go to the next block When the conditional expression is not satisfied the blocks following ENDm will be executed When WHILE lt Conditions gt is equivalent to IF it may also be omitted If it is omitted the program will repeatedly executed from DOom to ENDm WHILE lt Conditions gt DOm and ENDm shall be used in pair and identification number m be used for mutual identification Example 10 5 2 120 1 N1 WHILE 120LE10 DO1 N2 WHILE 30EQ1 DO2 Repeat for 10 times N3 END 2 Repeat when 30 1 165 GSK983M Milling CNC System Operation Manual Volume l
206. termined by the readings of 1000 to 1032 system variables 147 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming System variables Interface input signals 1000 UIO 1001 UI1 1002 Ul2 1003 UI3 1004 Ul4 1005 UIS 1006 UIG 1007 UI7 1008 UI8 1009 UI9 1010 UI10 1011 UI11 1012 Ul12 1013 UI13 1014 UI14 1015 UI15 Variable value Input signal 1 Contact ON 0 Contact OFF Since the reading of variable value 1 0 or 0 0 it is not necessary to take its unit into account However unit shall be considered in the development of a macro All input signals are read in by reading variable system 1032 15 1032 1000 i 2 i 0 In operational instructions system variables 1000 to 1032 shall not be used as the item on the left side output signal Interface output signals may be given by assigning a value to 1100 to1132 system variables System variables Interface input signals 148 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming Contact ON Contact OFF All output signals can be output at a time by assigning a value to system variable 1132 15 1132 1100 i 2 i 0 For 1100 to 1132 system variables the given final numerical values are stored as 1 0 or 0 0 Note When the values of different 1 0 or 0 0 are assigned to 1100 to 1115 lt Empty gt is deemed as 0 and all condit
207. the above figure 203 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 3 12 1 3 Concurrently controlled axes Axis B shall be individually specified PS alarm will be given when X Y Z or the 5 axis is instructed along with Axis B NO181 3 12 2 Minimum travel unit 0 001 degree pulse 3 12 3 Feedrate As a rule the feedrate of axis B is a rapid one regardless the state of Group 01 G codes G 00 G01 G02 and G03 When Axis B is instructed in G 00 G01 G02 or G03 mode the G 00 G01 G02 and GO3 in the blocks regarding other axes are still valid and hence it is not necessary to specify G 00 G01 G02 and G03 again G01 X10 F5 Axis X operates at cutting feedrate B45 Axis B operates at cutting feedrate X29 Axis X operates at cutting feedrate G01 is still valid No load operation is invalid 3 12 4 The clamping and release of indexing worktable The clamping and release of indexing worktable is automatically performed before and after the movement of Axis B 1 Indexing sequence A To the Axis B instructs next black Release DO End of release DI Axis B servo enables Axis B to reversely rotate A Clamping 00 gt C End of clamping DI 204 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 2 Indexing sequence B To the next block Axis B instructs Release DO End of release DI Axis B servo ena
208. the manufacturer The contents of the machine instruction manual are more important than those herein The performance of a NC machine system is jointly determined by its NC system mechanical structure heavy current control and servo system including its mechanical operation panel The operating manual only describes GSK983M CNC system To know the performance programming and operating instructions of the entire NC machine system further please refer to the machine instruction manual supplied by the manufacturer The operating manual describes all matters in detail as much as possible However the listing of all matters is unnecessary and impossible as this will complicate the contents of the manual Therefore the functions that are not described in this manual may be considered impractical The functions that are not described in this manual may be deemed unavailable so far Some items are specifically explained in Note sections Therefore if any explanation is not available in the current Note section it is advisable to skip over it thoroughly read the manual and then return to the part GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 2 SPECIFICATIONS Serial No Designation Descriptions Controllable axes Standard 3 axes namely axes X Y and Z 4 or 5 axes are also available upon customer s request The address of the 4 axis can be selected from A B C U V or W That th
209. the time required for reading may be avoided While inputting data in buffer register BUF will appear on the lower right of LCD screen Dwell G04 The operation of the next block can be delayed before execution using instruction G04 The delay time must be specified with address P or X Accurate stop detection G09 The block of instruction G09 decelerates and performs positioning detection by the end of the block Accurate stop detecting mode cutting mode G61 G64 If G61 is instructed the travel instructions following G61 decelerate from doubtful points of all blocks and continue to execute the next block when it is positioned If G64 is instructed the travel instructions following G64 rather than positioning instruction do not decelerate but execute the following blocks As a rule they are applicable for cutting mode Miscellaneous function Bit M2 The instructions of M2 with 2 digits following may be used to control the ON OFF signal on machine side Only one M code can be instructed in one block In dry running mode feedrate becomes Jog JOG feedrate The rapid traverse speed keeps constant and rapid traverse override option is still valid in rapid traverse instruction G00 However the dry running of instruction is available when it is set to rapid traverse positioning according to parameters Interlock Single block GSK983M Milling CNC System Operation Manual Volume l Speci
210. they may offset upward in any direction Feedrate is identical with the speed specified by F codes and J are modal in mode of fixed cycles Hole machining can not be performed only by specifying and J The instructions are only used to specify and J again G80 To disable fixed cycles The instruction disables fixed cycles G73 G74 G76 G81 G89 Then NC starts to perform normal operations The data of Point R and Point Z is also disabled namely the tool does not travel and other machine data is cancelled G81 Drilling cycle fixed point drilling G81 with G98 G81 with G99 Origin i En i Point Z Point R Point Z 121 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G76 with G98 G76 with G99 6 G82 drilling cycle boring A eae Origin eas i i i J Point R Point R I l _ 2 Pointz Point Z Dwell P Dwell Except that it holds at hole bottom and then retracts the instruction is similar to G81 The dwell time is specified by address P The accuracy of hole depth is improved because it holds at hole bottom 7 G83 Peck drilling cycle G83 with G98 G83 with G99 Point Z Now the format of the instruction is as follows G83 X Y Z Q R F Q indicates the cutting depth of each time and always specifies it in incremental value Rapid traverse
211. tion G40 To cancel tool compensation G41 Tool compensation left G42 Tool compensation left G41 or G42 instruction allows the system to enter into offset mode G40 instruction allows the system to enter into cancellation mode An example of offsetting course will be illustrated in the following figure Start up block Offset cancellation mode becomes offset mode G41 in this block The tool center is offset at the end point P of the block by the radius perpendicular to the lower section of program path from P P2 The tool compensating value is specified by DO7 i e offset No 7 G41 means that the tool offsets to the left After workpiece shape P gt Pz Ps Pg P programming and starting the system automatically performs tool compensation In block the tool returns to the point of origin offset cancellation through G40 The tool center moves from Pg P normal to the programmed path at the end point of the 10 block G 40 instruction program cancellation shall be instructed at the end point of the program Example of program for tool compensation C 76 GSK983M Milling CNC System Operation Manual Volume I Specifications and Programming de ee C3 150 1150 C2 1550 1850 ea E 1 n Axis Y yy iL Home position Axis Unit mm G92 X0 YO Z0 N1 G90 G17 G00 G41 D07 X250 0 Y550 0 The offset is preset in DO7 by MDI N2 G01 Y900 0 F150 N3 X450 0
212. to 9999 Each group of calculated life and contents of counter will not lose after power failure Note For specifying life in number of cycles EXTERNAL RESET ERS or RESET AND REWIND RRW signal is input in NC when M02 or M30 is executed 3 11 3 2 Tool change signal and tool change reset signal Another tool will be selected in the predetermined order after the end of tool life When the last tool in the same tool group has reached its service life a tool change signal will be given The tool to be changed is displayed on LCD Then the relevant group number is specified 200 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming and tool change reset signal input or MDI panel see 3 11 4 3 operated All data such as life counter etc see 3 11 4 2 are cleared All tool groups are changed and reset when tool change signal is automatically released at the end of tool life After machining is restored the group starts selection from the first tool Note For specifying tool life in time tool change signal is output once it has reached service life and machining goes on until the end of program For specifying tool life in number of cycles tool change signal is output in case of M02 or M30 reset at the end of tool life 3 11 3 3 New tool selection signal When a new tool is selected from a group tool T code and new tool selection signal are output at the same time When a new tool is selected the si
213. ts of a macro Operation instruction is also included in the block Control instruction GOTO DO and END are included in the block Macro call instruction G65 G66 G67 and the G codes for calling a macro are included in the block The blocks other than macro statements are NC statements 9 MDI s interference in automatic operation When the MDI in automatic operation is used to insert a macro up to 4 levels of the nesting degree called by macros and that of DO can be continuously called from the beginning of automatic operation 10 The display of PROGRAM RESTART page The M and T codes used for calling a subprogram are not displayed like M98 11 Feedrate When Feedrate is set to ON the execution of macro statement stops also stops during alarm clearance 3 10 9 Special codes and words used in user programs Besides those for common programs the codes used in user macros include the following codes 1 ISO Meaning Binary encoding 1 2 1 o o 2 EIA Meaning Binary encoding Oo 1 1 1 0 0 1 1 Parameter setting i 0 0 1 1 189 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming 0 0 1 1 1 0O 1 1 Or 1 1 1 0 0O 0 50 0 The 0 code similar to the 0 of program number shall be used The of EIA codes and code format shall be set by parameter However Chinese characters cannot be used Latin letters are usa
214. ue line The point established by the reference point setting macro is used as the reference point The holes to be machined are arranged by different spacing 1 12 in the direction forming an a angle with axis X Y a Reference point X Y Ye 4 Current value Coordinates of X0 YO A Angle Spacing between holes K Number of holes set by equal spacing to be assigned with decimal point Macro call instruction 178 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming G65 P9203 Aa 11 Kn1 112 Kn2 When n 1 Kn may be omitted Using the following variables 100 hole counter 101 X coordinate of reference point 102 Y coordinate of reference point 1 angle a 4 No 1 spacing 1 6 number of holes n of the 1 spacing group 1 7 No 2 spacing 12 9 number of holes nz of the 2 spacing group 12 2 the X coordinate of storage reference point 3 the Y coordinate of storage reference point 5 Take out hole spacing I count 8 the distance from reference point to the current hole The macro is developed as follows for absolute programming 09203 2 101 Storage reference point 2 102 5 4 8 0 WHILE 5 LE 31 D01 Hole spacing assignment is limited to 10 IF 5 EQ O GOTO 9001 _ If the assignment is lt gt it will ends D02 8 8 5 101 2 8 COS 1 Hole position 102
215. us of the path of tool center and Rp the radius of program path The switch is also effective for commissioning and F1 digit instruction Example 1 N Pathof Programmed path tool center 3 j j j However if Re is much less than Rp i e Rc Rp 0 the tool will stop Therefore when Rc ResMDR after the minimum reduction ratio MDR is set the actual feedrate will be FX MDR 37 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming MDR is set by N0 333 parameter When 1SMDR 1 each step s100 it is applicable for F1 digit and commissioning The reduction ratio of automatic inner angle adjustment is not under the influence of MDR Note If inner arc cutting is overlapped on automatic inner angle adjustment now the actual R feedrate will be Fx x angle adjustment x feedrate override P 3 5 Preparation Function G function The two digits following address G determine the meaning that the concerned block involves G codes may be divided into the following two types Type Meaning Primary valid G codes Itis only valid in its instructed block After being instructed to be valid the G codes become invalid only Modal G codes f WA when another G code in the same group is instructed Example G01 and G00 are modal G codes G01 X ____ n G01 is valid in this range lt x lt G00 Table 5 1 G codes list G codes Function G00 Positioning rapi
216. ust not be incorporated with G92 except the special situation that G54 G59 are used to move the coordinate system 58 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming i i 160f 100 Tool position 100 100 200 When the tool is positioned at 200 160 in G54 mode G92 X10 Y100 The specified workpiece coordinate system 1 X Y is moved by vector A However all other workpiece coordinate systems shall concurrently offset vector A Note 3 When automatic coordinate system setting is not selected proper parameter values shall be set 309 APX AP4 3 5 14 To change workpiece coordinate system by program instruction When the number of workpiece coordinate system becomes inadequate although 6 are ready or when they are to be moved as required we move them through programming instructions G10L2P_P X Y Z r 3 Where P 1 6 the 1 6 X Y Z r 6 r one of A B C U V and W of the corresponding coordinate system the workpiece zero offsets of all axes Note External workpiece origin offset may be changed by setting P 0 3 5 15 Automatic setting of a coordinate system A coordinate system may be set in the preset parameter number 375PPRTMX 441PPRTI5 when returning to the reference point for the first time after switching on namely it functions as that G92 automatically sets a coordinate system at the reference point Note If workpiece coordinate system
217. ver hole machining data is also cleared The example of maintaining and canceling the above data is as follows G00 X M30 G81 X Y Z R F L The original data Z R and F of fixed cycles must be specified Drilling operation is specified by G81 for L times Y When drilling mode and drilling data are the same as block G81 Z R and F may be omitted Hole position is moved for Y distance and drilling is performed once in G81 mode G82 X P L Hole position only moves X in relation to Drilling is performed for L times in G82 mode Now the drilling data is used as follows Z Rand P aeoaea Specified in block G80 X Y M05 Now touring operation will not be performed and all touring data except F codes will be cleared G85 X Z R P Since addresses Z and R are cancelled in block they shall be specified once again Now F codes are identical with block and may be omitted Address P is not needed in this block but it is still saved X Z Hole position has only moved X and now drilling data is used as follows 7E Specified in block Picea sates cates Specified in block Fidshabrecaeedsunbends Specified in block G89 X Y After the positioning movement specified by addresses X and Y drilling is performed in G89 mode Now the drilling data is applied as follows De She bukit Sts Specified in block ee eee Specified in block EE EA S
218. vershoot has not been set by parameter shall not be positioned in a single direction When the travel distance instruction is O unidirectional positioning will not be performed When mirroring function is used it is invalid to set its direction by parameter Unidirectional position does not apply to fixed cycles G76 and G87 Linear interpolation G01 G01a B F a B and y X Y Z A B C U V and W Gang control is exerted for 4 and other axes This actually specifies linear interpolation mode a and 8 defines the travel distance of the tool Whether the distance is in absolute or incremental mode depends on the current state of G90 G91 Feedrate shall be specified by F codes which are modal 42 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming Note 2 Example of program G91 G01 X200 0 Y100 0 F200 0 Y End point 0 Origin 200 0 X The feedrate instructed by F codes is the traveling speed of the tool If F codes are not specified the feedrate is considered as 0 The travel instruction linear interpolation with 3 axis gang control function is as follows G01 X Y Z _F It is possible for the instruction to perform linear interpolation for 3 axes at one time When additional gang control function is selected the addresses A B or C of the fourth axis may be used to replace X Y or Z In this way the 3 axis gang control involving the 4 axis can be
219. w decimal point i FUR j Rounding the decimal part to integer part Note How to use ROUND function If function ROUND is used in an operation instruction or in IF or WHILE conditions the original data with a decimal point shall be rounded off Example 1 ROUND 1 2345 1 changes to 1 0 IF 1 LEROUND 2 GOTO 10 When 2 3 567 ROUND 2 4 0 When the function ROUND is used in an address instruction it shall be rounded off in its minimum setting unit Example G01 X ROUND 1 If 1 is 1 4567 and the minimum input increment of X is 0 001 the block will change to G01 X1 457 This instruction is equivalent to G01 X 1 in the instruction The function ROUND in an address instruction mainly applies to the following conditions Example It is only moved by 1 and 2 in increment and then return to the initial point N1 1 1 2345 N2 2 2 3456 N3 G01 X 1 F100 X moves by 1 235 N4 X 2 X moves by 2 346 N5 X 1 2 X moves because 1 2 3 5801 Since 1 235 2 346 3 581 the program cannot return to the starting point through N5 With N5X ROUND 1 ROUND 2 J This is equivalent to N5x 1 235 2 346 and the program may return to the starting point 3 10 4 5 Hybrid operation The above operations and functions may be combined The precedence order of operation is function multiply operation and then additive operation Example 10 4 1 i j K SIN 2 Operational order a 161 GSK
220. will gives No 34 alarm and stops operation The NC reads in two blocks The next block enters into the tool compensation buffer register the contents of the register cannot be displayed once the first block is read in and executed In addition two blocks in succession are read in when the system is in single block mode The block is firstly read in stops after execution As a rule two blocks are normally read in after that Hence there are three blocks in the NC namely the executing block and the next two blocks Note The meaning of the so called interior angle and other terms are as indicated in the following figure The intersection angle of the move instructions of two blocks is called interior angle when its angular degree on the workpiece side is above 180 and exterior angle when it falls within 0 180 Workpiece Interior Wy Yj Program 4 5 JIII KEK Programmed path 2 180 a 0 lt a Exterior Programmed path a workpiece 0 a 180 i To machine along the interior side Straight line Straight line 78 GSK983M Milling CNC System Operation Manual Volume l Specifications and Programming oes A Programmed path F Offset G42 Path of tool nose center S L Where S indicates the dwell point of single block L indicates line motion C indicates arc motion Straight line Arc Programmed path Path of tool nose center ii When the tool machi
221. y G65 the local variable Level 0 of the main program is saved the local variables 1 33 Level 1 of the new macro Level 1 are prepared and the substitution of the independent variables are possible the same for 8 Each group of local variables Levels 1 2 and 3 are saved ant new local variables Levels 2 3 and 4 are prepared whenever a macro Levels 2 3 and 4 is called When using M99 to return from each macro the local variables Levels 0 1 2 and 3 saved in and are restored as they are saved 3 10 8 The relationship with other functions 1 MDI operation Macro call instruction operation instruction and control instruction cannot be specified with MDI During the execution of a macro and the stop of a single block the MDI instructions other than those are related to macros may be executed In macro calling mode G66 inputting a move instruction by MDI cannot perform macro calling Sequence number retrieving The sequence numbers in a macro body cannot be retrieved Single block The blocks other than macro call instruction operation instruction control instruction sometimes may be processed in single block stop mode in a macro The blocks of macro call instruction G65 G66 and G67 operation instruction and control instruction do not stop in the workpiece with single block However the blocks other than macro call instruction may perform single block stop and be set through the fo
222. y uu eeececeseseseseseseseseseseseseeeeeeseseeeseeceesesesenenensncssuenseseaeaeaeaeaseeeeseees 170 3 10 6 3 Macro statement and NC statement 0 ccc cccccecseseseseeeeceesesesenenesesesenenseseseaeaeeeeeeteeees 170 3 10 7 Macro Call iNStruction cececcccesecessesesescseeeseeceseccsceceseeesececsceceaeecseeecseeesaceesececaeeaeseeeescseseeetaeeeseees 173 3 10 721 Simple calling eriin La ee aoe a Se eel 173 321057 2 Modal callings n San ain ee eS 180 3 10 7 3 Multiple calling scenesscadwn ate a a a a Sa 181 3 10 7 4 Multiple modal calling cee ecceseseseesesescseeeeseseeeeecseecaesesececseeeeaescsececaeeceaeseeeeecaeeeateeeeeeeaeeees 181 3 10 7 5 Calling a macro with G COGES 2 0 eeeececesesesesesesesescseeeeseceeeecesesesesenenensssssuanseseaeaeaeaeaseeeeets 182 3 10 7 6 Calling a Subprogram with an M code 20 0 cececseeseseseeeeeecsesesesenenencscssnenseseseaeaeseaeeeeeees 183 3 10 7 7 Calling Macros With M codes ceeesesesesesesesesesesseseeeeeeeseeceeeceesenesesenensscssnenseacaeaeaeesaseeeeseees 184 3 10 7 8 Calling a Subprogram with a T COd 2 cecceecsssssssesseseseseeesesesesesenensscscsenenseseseaeaeaeaeeeseets 185 3 10 7 9 The position of the decimal point of an independent variable ec ceeeeeeeeeeeeees 185 3 10 7 10 The difference between M98 calling a subprogram and G65 calling a MACIO DOU 2 2sant nh ra in eatin A A ce er a eee 186 3 10 7 11 The nesting and local variables Of user ma
223. ys invalid for additional axes Note 5 Zooming function is invalid for manual operations but valid for DNC automatic operations and MDI operations Note 6 Zooming is not applicable for the following movement in the event that axis Z moves in a fixed cycle The cutting depth Q and backing of peck drilling cycle G83 G73 The travel of X and Y in finish boring G76 and reverse boring G87 cycles Note 7 G27 G28 G29 G30 and G92 are specified in G50 mode Note 8 Rounding of the zooming result may zero the travel Now the block is considered as an unmovable block Therefore it may affect the tool movement caused by tool compensation see Section 6 3 6 8 Note 9 Reset a Reset in G51 mode changes the original programming coordinate to the current coordinates or zoomed coordinate Hence the travel after reset differs depending on whether the instruction is incremental or absolute n If it is reset at Point B Point A in the program shall be regarded as the current B While executing the move instruction of Point D the generation of the following movements depends on whether they are incremental or absolute Incremental If the travel from Point A to Point D is incremental D will become the point of destination on the programmed path and Point D is converted to Point E The tool moves to Point Ey because it is only a move instruction for axis Y 112 GSK983M Milling CNC System Operation Manual Volu

GSK983M User Manual 1 Version 4

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