Home

Operation & Programming Guide

1. Parameter nudiber Scope Factory set 51 The time constant for various axes of hand wheel operating 400 52 The interval length for thread pitch error compensation of X axis 0 53 The point number of X axis thread pitch error compensation 0 54 The interval length for thread pitch error compensation of Y axis 0 55 The point number of Y axis thread pitch error compensation 0 56 The interval length for thread pitch error compensation of Z axis 0 57 The point number of Z axis thread pitch error compensation 0 The limit for contour error of circular interpolation mln 0 002 in 58 0 002 general The screw in de trailing speed top limit of X direction when processing 59 3000 thread 60 The positive direction soft limit coordinate of X axis from the 0 reference point 61 The negative direction soft limit coordinate of X axis from the 0 reference point 62 The positive direction soft limit coordinate of Y axis from the 0 reference point 63 The negative direction soft limit coordinate of Y axis from the 0 reference point 64 The positive direction soft limit coordinate of Z axis from the 0 reference point 65 The negative direction soft limit coordinate of Z axis from the 0 reference point 66 The input terminal number of X axis reference point coarse 12 positioning signal 67 The input terminal number of Y axis reference point coarse 12 positioning signal 68 The input terminal number
2. HLxx xx 17 24 respectively signifies whether it s high level 1 validity or low level 70 validity for the input level of the input terminal which is same as the number after HL 067 factory set is 00000000 0752 HL32 HL31 HL30 HL29 HL28 HL27 HL26 HL25 HLxx xx 25 32 respectively signifies whether it s high level 71 validity or low level 70 validity for the input level of the input terminal which is same as the number after HL The WA 31DT series have no such input terminal and requires extension 074 factory set is 00000000 087 HLS4 XINV YINV ZINY HLS4 1 spindle M function is output with 4 gear speed rotation and the 4 gear speed is selected by M41 44 which is suitable for converter with mechanical gear of the 4 gear The 4 gear speed is determined by the parameters of 3 4 and 77 0 Select spindle high and low signal which is suitable for the spindle converter with high and low speed mechanical conversion and high and low signal is input into the system The analogue top limit for 3 or 4 of P parameter is determined by the spindle high and low signal XINV 1 The reversion movement of 0 The positive movement of YINV 1 ZINV 1 The reversion movement of 08 factory set is 00000000 097 SSN SCOR OVS TZR TYR TXR SSN 1 Open position ring regulator and KD KP KI
3. The de trailing length after thread is completed in X direction screw in distance value Thread pitch metric system Kmm English system K teeth Inch Length of thread it can be absolute or relative programming AX is the diameter change in X direction and it s the straight thread when AX is equal to 0 Description 1 The feed depth of each time is determined by P10 and P11lassignment statements before program and the X direction single side feed smooth thread flat of final cutting smoothing tool amount is determined by 257 parameter 2 The de trailing direction of thread in X direction is determined by I value is the external thread and is the internal thread 3 The initial position of thread processing cycle is where the tool nose is aligned with thread top diameter 24 Nanjing Washing CNC System User Manual 4 J value signifies the preserved de trailing length in Z direction Non compiling signifies the system default k ZL 38 J yx i a HH TBE T RO aR l 4 J7DBR gt NEJI Illus 2 24 5 When it s necessary to wait for thread pitch ending the screw out function can be used and it s format is to add J value into the general G86 function The digits after J signifies de trailing length in Z direction namely when the distance between tool nose and thread end point is the value after J Z direction the de trailing will be started in X dir
4. 1 lt 1 5X45 start point X100 Z50 0010 M03 51500 0020 GOO X100 Z50 0030 TI 0040 G00 X30 0050 G00 ZO 0060 GOl X55 F150 Processing end surface 0070 GOL X39 5 0080 G01 X36 5 Z 1 5 Chamfer 1 5X45 0090 GOl Z 26 turning inner bore diameter 38 00 G03 X30 Z 30 R4 F100 turning inner arc R4 10 G01 27 31 turning inner bore diameter 30 20 GOO X28 X direction retracting 30 G00 Z50 Z direction retracting 40 T2 changing inner bore tool to groove 50 G00 X35 fast feed 00 GOO Z 18 fast feed 70 GOL X44 F150 grooving 80 G00 X36 fast retracting 90 GOO Z50 fast retracting 0200 T3 changing screwer to process thread 0210 S700 0220 GOO X36 5 272 fast feed 0230 G86 7 16 Kl 5 I 4 R2 L4 processing thread 0240 GOO X100 280 0250 M05 0260 TI 270 GOO X100 27250 0280 M02 O O O O O OTOT OGO Oa 76 Nanjing Washing CNC System User Manual Exemple Two The following elements are given with the figure Material 45 Rough Forging single side allowance is about 1 mm Thread is the English system taper thread and the thread pitch is 14 teeth per inch 1 cutting tool excircle cutting tool 2 cutting tool external thread cutting tool The start point of cutting tool is X100 Z160 54 20 R4 143 0 14 teeth per inch 40 co B 1 5X45 X start point X100 Z160 k 0010 M03 51000 0020 M08 0030 GOO X100 Z160 0040 T1 00
5. coordinate origin also called zero must be determined while zero position is acquired by opposite calculating of tool nose position and coordinate value For instance If the tool nose coordinate is supposed to be 50 250 then the 25 mm position along X negative direction is the X coordinate origin the 250 mm position along Z negative direction is the Z coordinate origin see A position in the right figure Note On the lathe the X direction coordinate also called horizontal direction is provided 2 Nanjing Washing CNC System User Manual as diameter amount Now supposing that the tool nose position is unchanged while the coordinate is 20 100 then zero is in the B position in the figure which is the notion of floating zero However towards to one processing program the processing can be implemented only after determining zero and optional change is prohibited unless through instruction of coordinate transition Once the floating zero is determined the work piece coordinate system used in the actual processing will be composed All tool nose movements in the program are based on this coordinate system for reference Seeing G92 instruction to determine coordinate zero 1 2 6 Cutting tool compensation principle when changing cutting tool When the comparatively complicated work piece is processed more cutting tools are frequently required However the processing program is compiled according to some one tool nose of
6. ssosssssssesssssssesoscsosesosssosssosssososoosscsoscsssssossssossssossoosesos 32 2 3 12 M21 Close specified relay sessssosseosssosesssesesoossoossoossoossoossoosssosssosssesssssssessossossssos 32 2 3 13 M24 Setting cutting tool compensation number e sessessossesoesossossossossossossossossoe 32 2 3 14 M30 Returning to program header seessoosooesoossoessoessoessosesosssosssossoossoessoessoessose 32 2 3 15 M71 M85 M function pulse output eere e eerte eerte e eene ee en esee netta setas etn 32 2 3 16 Output interface programming and relay number comparison table 32 2 4 E Ss E TuncHons 5 csesssudesudesetesedessiesssssudeseaesehesudesebesenesenesnvedusesesestacsenesonedaasstnesarsssesnnedenosencs 33 p gucci 33 2 4 2 S Spindle speed control o eee tete eoe eina enu eee ue ona us a Ve uana ean 33 2 4 3 T Cutting tool function uei edere ete rennen et een parere nae tn utes eren nato sean n 34 2 4 4 Axis optional function eee eee eee ee eee eerte to netto netta setas ete ao tesa see pa set ea Pete an tea ses 38 2 4 5 Coordinate modification and regulation function eere 38 Chapter Three System Operation sssssssssssesssosssosssoossoossoossoossoossoosscosssosssessssssossoossoossoosroossoossssesosos 39 3 1 Safety protection and compensation eee eee esee eene eene eene eene tnnt
7. 13 Nanjing Washing CNC System User Manual N0010 G90 G92 X20 260 ip N0020 G01 X40 Z40 F100 N0030 G56 PAO N0040 G02 2 20 10 K 10 N0050 G53 N0060 M02 X Y 2 2 21 G71 Internal external diameter cutting compound cycle Format G711 K_N X Z F_ Description The fine machining path of rough machining and fine machining showed in the instruction execution figure 1 is the track of A gt B gt C gt D Among them I cutting depth cutting amount for each time the symbol isn t added when specified and the direction is determined by vector AB K Retract amount for each time the symbol isn t added when specified and the directions of X and Z are respectively determined by X X direction fine machining allowance and Z Z direction rough machining allowance N Fine machining block number X X direction fine machining allowance Z Z direction fine machining allowance F The F in the G71 programming is valid at the time of rough machining and the F in the fine machining block is valid at the time of fine machining Zhi FE PAE Figure 1 Internal external diameter cutting compound cycle G71 Under G71 cutting cycle the cutting feed direction parallels to Z axis and the symbols of X and Z are showed as Figure 2 signifies movement along axis positive direction and signifies movement along axis negative direction Note 1 fine machining block number must be greater than 1 2 ADB must be
8. TBCD 1 The cutting tool number outputs BCD code 0 The normal electro holder response The factory value of 122 is 00000000 132 EM03 ES4 S4DF ZFOR YFOR XFOR EM03 0 The spindle S programming it s valid with M03 1 The spindle S programming it s valid without M03 ES4 0 31DT system has no S4 function only S1 S2 and S3 1 31DT system has S4 function S4DF 0 Defining M78 as S4 output it s only valid when ES4 1 1 Defining M79 as S4 output XFOR They are zero returning directions of X Y and Z axes respectively YFOR 0 Along the positive direction of each axis ZFOR 1 Along the negative direction of each axis 4 5 Thread pitch error compensation Each axis of the system can be input most 150 error compensation points and the compensation point number of each axis and interval between two points are determined by P parameter 522 577 The point system exceeding compensation scope regards the thread pitch error as 0 and the system between two compensation points regards the thread pitch error as linear change 1 Access Pressing PARAM Parameter then pressing F4 2 Pressing F1 F4 to move cursor can select error value of some one point while the coordinate value of this point which is relative to machine tool coordinate machine tool reference point is in the lower part of the screen and it s signified by XP YP and ZP 3 Pressing ALT key can skip to the next page 4 Pressin
9. signifies constant while h and Vm change at the same time it s specifically determined by the formula 4 2 3 Electronic gear ratio 58 Nanjing Washing CNC System User Manual Regulating system output which makes the coordinate operating value of system concord with the distance of table movement and it s not necessary to regulate transmitting ratio of motor and screw for this The electronic gear is set by system parameters Two parameters of each axis can be called multiply factor MLT and percentage DVT and when the bearing ball screw transmitting working table operates MLT _ Pmtx Gf DVT Penx Gd Among it Pmt Pulse number of each rotation for motor and the stepping motor Pulse of each rotation Servo motor Encoder line number X encoder multiple frequency number Pen Screw thread pitch pm Gf Total of driven wheel teeth number in the transmitting between motor and screw connection Gd Total of driving wheel teeth number in the transmitting between motor and screw connection Towards to direct connection Gf Gd 1 MLT and DVT must take the smallest positive integral value The scope of MLT and DVT is 0 65535 but the ratio must within 0 01 100 4 2 4 Parameter password For preventing parameter modification without intention the system sets up the password First the password unlocking must be input and then the parameter modification can be made which the method is as follows 1 Pressing Cutting
10. 0450 X26 27112 chamfer 0460 Z107 fine turning excircle diameter 26 0470 X36 Z97 fine turning taper 0480 789 fine turning excircle 36 0490 X54 280 rough turning excircle 0500 X38 Z26 rough turning excircle 0510 20 rough turning excircle 0520 X58 79 0530 G00 297 fast retracting 0540 G01 X36 F80 low feed 0550 789 fast retracting 0560 G02 X30 2780 R15 fine turning clockwise arc R15 0570 G02 X40 Z65 R25 fine turning clockwise arc R25 0580 G03 X40 Z35 R25 fine turning reversion arcR25 0590 G02 X34 Z26 R15 fine turning clockwise arc R15 0600 GOl Z20 fine turning excircle diameter 34 0610 X56 Z9 fine turning taper 0620 Z0 fine turning excircle diameter 56 0630 S400 0640 G00 X58 fast retracting 0650 Z132 fast retracting 0660 X30 fast feed 0670 G86 Z110 K1 5 I4 RI 35 L8 turning thread 0680 GO X70 fast retracting 0690 7200 fast retracting 0700 TI 0710 M02 79
11. 87 The feed length increased of each millimeter at the time of rigidity 0 threading 88 The feed speed of thread X direction 2000 89 The waiting time of feed axis angle specified stop millisecond 20 000 4 4 Digit Parameter The digit parameter can be used for setting towards the one which has only two selective conditions and branches Each parameter has 8 digits and each digit has only two states of 0 or 1 which can be used for switch selection of certain status and the system has 30 digit parameters in total which determines 240 states 4 4 1 Access Key press sequence PARAM Parameter lt gt F3 digit parameter 4 4 2 Digit parameter setting 007 D R L M SLOF L3TH ZGR YGR XGR D R 1 Radius programming 0 Diameter programming L M 1 The function of milling machine interface 0 The function of lathe interface SLOF 1 When the program execution completes M05 and M09 are not inserted automatically 0 When program execution completes M05 and M09 are inserted automatically L3TH 1 the third movement axis are opened under lathe execution mode whose function is valid when L M 0 ZGR 1 Z axis opens electronic gear function 0 Z axis doesn t open electronic gear function YGR 1 Y axis opens electronic gear function 0 Y axis doesn t open electronic gear function XGR 1 X axis opens electronic gear function 0 X axis doesn t o
12. Magnification and minification cancel seesoesoesoesossoesossossossossossossossossoe 12 2 2 14 G31 Magnification or minification e seesoesoesoesoesossoesossossossossossossossossossossossossoe 12 2 2 15 G47 Short line speed auto transition cresce eene creen eee e seen ette netta netu 12 2 216 G48 Cancel GAT UR 12 2 2 17 G53 Cancel zero Dias sccscccscscscsccscccscccscscscscsccssccsscssscssscssscssscssscsesccssessessseees 12 2 2 18 G54 Absolute zero bias eeeeeee esee ee esr seen ne en nets ates sense enses stesse esse enses sena 12 2 2 19 G55 Increment zero bias Leere eee eee eese eese eese sten senses sten stesse esses sess tous 13 2 2 20 G56 Current point Dias scscccsssssessscnccssarsccnonrsssarssencsvncsesenscsscassuencevencssansvecsssnose 13 2 2 21 G71 Internal external diameter cutting compound cycle 14 2 2 22 G72 End surface cutting compound cycle eere e eee serene eren netten etn 15 2 2 23 G73 Sealed contour compound cycle eee ee eese eene cete esee nente esten ennue 16 2 2 24 G74 Returning to reference point mechanical origin 19 Nanjing Washing CNC System User Manual 2 2 25 G75 Returning to presetting cutter point from reference point 19 2 2 26 G76 Returning to processing start po
13. and DX is the cutting tool compensation value in X direction and DZ is the cutting tool compensation value in Z direction The operator can change the actual cutting tool parameters in this screen 2 4 3 4 Confirmation of the work piece coordinate system Once the cutting tool compensation table is confirmed the tool position of current tool must be confirmed to the coordinate value in the work piece coordinate system now the origin of work piece coordinate system is supposed on the chuck like the right figure below 1 Using one excircle tool of 90 degree to cut one section of excircle 2 Measuring the diameter a b mm of cut excircle 3 Using G92 to input Xa b and pressing ENTER key Among them a b is the outside diameter of actual measurement 4 Retracting cutting tool to proper position and re cutting end surface 5 Using measuring gauge to measure the distance c d mm from chuck end surface to the work piece 6 Using G92 to set Zc d and pressing ENTER The Z coordinate of tool nose relative to this work piece coordinate system is acquired 7 If the work piece end surface is as the coordinate origin then the Zc d should be changed into Z0 2 4 3 5 About initialization of cutting tool compensation number When CNC is used for the first time the cutting tool compensation number can be generated with the following methods 1 This method is recommended D Using Tn instruction to change
14. the end point start point section When the flat end surface cutting short work piece processes the end point diameter and start point diameter are both zero R is the symbolic number signifies that end point diameter is greater than start point diameter and is the opposite 3 I is the rough turning feed and K is the fine turning 9 feed I and K are symbolic numbers and their symbols should D be the same The symbols are specified as follows leftwards cutting processing is omission is allowable and b rightwards cutting processing is 4 Various K Z R and I values determine different shapes of end surface among them R value determines whether there is taper and end surface has no taper when R is equal to 0 If X 0 and R 0 at the same time under absolute mode then the work piece will be cut short and end surface is turned flat the symbol of R determines taper direction with taper end surface all symbols of Z R and I determine the Illus 2 19 cutting mode of taper end surface which is divided into internal cutting and external cutting Towards to programming of various conditions they will be elaborated on with examples 5 F is the feed speed mm min of cutting processing 6 Towards to the end surface without taper the processing length has no limit but towards the end surface with taper the processing length is limited within the one between two end surfaces and
15. which 10 13 is used in normal and the spindle rotating speed fluctuation ratio should be less than or equal to 23 parameter at actual processing 14 26 Nanjing Washing CNC System User Manual The 25 parameter sets the smoothing tool amount of the final cut of thread and if thread processing cycle requires no smoothing tool finally the 252 parameter should be equal to 0 15 When only G86X Z K is compiled the single tool thread cutting will be implemented without retracting after cutting is completed Note At screw in D value is valid only straight thread can be processed J must be positive value 2 2 32 G87 English system thread cycle Format Same as G86 Note The thread pitch is K teeth Inch 2 2 33 G90 Programming with absolute value mode Format G90 Description 1 When G90 is compiled into program the programming zero will be regarded as benchmark for all the compiled coordinate values afterwards 2 After the system is powered on the machine tool is in the G90 status Example N0010 G90 G92 X20 Z90 N0020 G01 X40 Z80 F100 N0020 G01 Z60 F50 N0030 G03 X60 Z50 I0 K 10 N0040 M02 2 2 34 G91 Programming with incremental mode Format G91 Description When G91 is compiled all the coordinate values afterwards will be based on the previous coordinate position as the start point to calculate movement programming value In the following coordinate system the previous point will always be regarde
16. G00X Z Description 1 All the programming axes move simultaneously at the rate which is defined by 0 parameter and when certain axle stops after completing programming value while other axes move on 2 The non movement coordinate requires no programming 3 The coordinate value of target point can use absolute value and can also use increased value Most 5 MB digits are allowed before decimal and after decimal most 3 digits are allowed the positive number can omit this rule is suitable for all coordinate programming 4 When G00 is programmed it s also written as GO 2 1 G00 Example The right figure program is as follows Absolute value mode programming G00 X75 Z200 Incremental mode programming G91 G00 X 25 Z 100 First X and Z move fast simultaneously to A point then Z moves 75 fast to B point 2 2 2 G01 Line interpolation Format GOIXZF G01 X_F_ 0100 Nanjing Washing CNC System User Manual G01 Z_F_ Description 1 When the processing starts each time it s in the G01 status automatically a 2 The non movement coordinate requires no 240 programming 3 The coordinate of target point can be written 7 with absolute value or increment value 4 When G01 is processed its feed speed implements according to given F value and F scope is 1 6000 mm min 5 G01 can also be written as G1 Example The program of right figure is as follows s
17. If it s not the first line of program the programs in the full screen move downward one line with pressing F3 F4 Cursor moves downward one line if this line is the last one when cursor reaches it of program region in the screen it will be invalid to press F4 If it s not the last one of program then the programs in the screen move upward one line F5 Deleting one character before cursor and simultaneously all the characters of this line after this character move forward one character position so as to fill up vacant position Pressing F5 will move this line to the end of the previous line when cursor is in the line head After pressing lt gt key F3 The full line will be deleted at the cursor position and simultaneously the program below the deleted line moves upward one line to fill up the vacant position F4 Going to the previous page and the screen can display 13 line programs which is call one page The role of P4 is to make the last line program displayed in the current screen as the first line of the next page and displays it in the screen again Namely all program lines after the original last program line move upward 12 lines in turn F5 Skipping to the next page which is used to move the first line in the current screen and its previous program lines downward accordingly the original first line becomes the 13th line in the screen namely the programs move forward 12 lines The primary function of F4 and F5 is to move
18. N0420 G03 X70 Z 40 10 K 20 F100 In the previous segment of program N G X Z I K F are all address function words 4 Nanjing Washing CNC System User Manual N Block number G03 Preparative function which can be written as G3 XZIK Coordinate address F Amount of feed gt Signifying symbol 03 70 40 0 20 100 aredata words In the block the English letters signifying address function can be divided into dimension word address and non dimension word The dimension word address is signified with the following letters X Z I K R J D and non dimension word address is signified with the following letters N S T G F M P 1 All dimensions are signified with diameter or diameter difference in X direction For instance X50 signifies that tool nose moves to 250 position and 110 signifies that the diameter difference of circle center relative to arc start point is 4 10 One complete program is composed of program name block number and corresponding symbols please the program below N0010 G92 X50 2100 N0020 S1200 M03 N0030 G01 X40 F300 N0040 290 N0050 G02 X30 Z85 I0 K 5 N0060 G01 Z60 N0070 G02 X40 Z55 110 KO N0080 G01 X51 N0090 G76 X Z N0100 M02 In general condition one block is one process step of element processing numerical control program is one block statement sequence which is stored in the memorizer When the elements are processed these statements are totally read from memorizer and explained
19. Z coordinate movement The Z coordinate movement is provided by spindle which transmits cutting power In the standard coordinate system the coordinate always paralleling to spindle is provided as Z coordinate 1 2 3 2 X coordinate movement The X coordinate is horizontal which parallels to clamping surface of work piece The X coordinate is the movement primary coordinate in the locating planes of cutting tool or work piece On the lathe the Z coordinate positive direction is that the big tool carriage moves to end bracket side along lathe bed vertical and X coordinate positive direction is that holder moves to handgrip direction 1 2 4 Machine tool reference point The machine tool reference point is also called mechanical zero which indicates X and Z directions to move to the approaching limit position along positive direction and induces the determined position of reference point switch in this direction Whether one machine tool has reference point returning function depends on whether machine tool manufacturer installs reference point switch also called mechanical origin switch 1 2 5 Work piece coordinate system All the coordinate values are positions of tool nose relative to coordinate origin If the Coordinate origin is different even if the tool nose is at the same absolute position on the machine tool its coordinate value is also different In order to guaranty uniqueness of tool nose coordinate in processing the
20. and 3 A When P11 90 it s the normal cutting b When P11 1 it s the left cutting c When P11 2 it s the right cutting d When P11 3 it s the left and right cutting Example N0010 P10 2 P11 0 N0020 G00 X100 Z100 N0030 G00 X50 Zi N0040 G86 Z50 K1 R1 I6 LS N0050 G00 X100 Z100 N0060 M02 11 There is the course of speed increase and decrease when the thread processing is started and completed and the thread is inaccurate within this period accordingly these two regions must be avoided at the time of actual processing The 40 parameter defines the speedup time constant in Z direction when the thread is processed 12 The speed of stepping motor servomotor shouldn t exceed certain value when the thread is processed such as 2 5m min and this speed is related with machine tool size and power of motor which is determined by 45 parameter 13 CNC measures the spindle rotating speed before thread is cut and determines the optimal course of speed increase and decrease of stepping motor as well as judges whether spindle rotating speed is stable after the zero signal of encoder appears the processing will be started and this course requires 50 100 millisecond If the spindle rotating speed is not stable CNC will start processing after the spindle rotating speed is stable If the steady speed isn t measured the thread processing won t be implemented in general 23 parameter signifies percentage of spindle speed fluctuation
21. are displayed in other regions of screen Now the function keys of F1 F5 are redefined F1 Edit Pressing F1 can edit current displayed program contents F2 Previous page If current program contents are relatively more which can t be displayed in one screen and the F2 key can be pressed to skip to the previous page F3 Next page If current program contents are relatively more which can t be displayed in one screen and the F3 key can be pressed to skip to the next page F4 Next segment of program The next program name and contents of CNC user program area can be displayed by p ppressing F4 If current program is the last one of the user program area then the first program is displayed after pressing this key F5 Previous segment of program The previous program name and contents of CNC user program area can be displayed by p ressing F5 If current program is the first one of the user program area then the last program contents and name are displayed after pressing ES 3 5 OPERT Process primary function The OPERT primary function offers various operations and controls to the system or machine tool such as auto cycle manual continuous feed selection of feed parameter MDI mode and so on Various sub functions under this primary function are still selected by function keys from F1 to F5 Pressing OPERT Process key to access processing primary function and the displayed image is as follows Pro
22. are valid 0 It is not opened SCOR 0 Soft limit is determined by the machine tool coordinates 1 The soft limit is determined by the work piece coordinates OVS 1 When the hard limit switch is pressed it stops with speed reduction 0 The hard limit switch stops suddenly when it is pressed TZR 1 When the CNC is powered on it will send ENABLE contact signal to servo output later checking whether the READY signal of Z direction servo is received If it s not received the error of Drive is not ready is displayed on the operating interface 0 The READY signal of servo isn t checked TYR 1 When the CNC is powered on it will send ENABLE contact signal to servo output later checking whether the READY signal of Y direction servo is received If it s not 65 Nanjing Washing CNC System User Manual received the error of Drive is not ready is displayed on the operating interface 0 The READY signal of servo isn t checked TXR 1 When the CNC is powered on it will send ENABLE contact signal to servo output later checking whether the READY signal of X direction servo is received If it s not received the error of Drive is not ready is displayed on the operating interface 0 The READY signal of servo isn t checked The factory set of 097 is 00000000 102 FSMT SEN DNCT DNCS SIGN ZROT YROT XROT FSMT 1 Low vibration mode when the feed is selected 0 Selecting high precision mode of spe
23. at the time of rough machining and the F in the fine machining block is valid at the time of fine machining Note I and K signify the total cutting amount of rough machining and the rough cutting number is L then the cutting amounts in the X and Z directions for each time are I L and K L 16 Nanjing Washing CNC System User Manual I X 2 Figure 5 Sealed contour compound cycle G73 Appendix Examples of various compound cycles P55 N0010 N0020 N0030 N0040 N0050 N0060 N0070 N0080 N0090 N0100 N0110 N0120 N0130 P66 N0010 N0020 N0030 N0040 N0050 N0060 N0070 N0080 N0090 N0100 N0110 N0120 N0130 P59 G00 G71 G90 G 01 G 01 G 01 G 01 G 01 G 03 G 02 G 00 G27 M02 X260 Z370 I7 K2 N8 X37 229 F2400 X50 2370 X50 2350 F240 X100 X100 X160 X160 X210 X260 X260 Z230 Z170 Z170 Z100 Z50 I0 K 50 I50 KO Z370 N0020 0110 Diameter programming G 00 G71 G00 G01 G01 G01 G01 G01 G03 G02 G00 G27 M02 X520 2370 F2400 114 K2 N8 X 74 Z 29 F2400 X100 27350 F240 X100 27350 F240 X220 2230 X200 27170 X320 2170 X320 2100 X420 Z50 I0 K 50 X520 Z0 1100 KO X520 2370 N0020 0110 Cutting internal diameter 17 N0010 N0020 N0030 N0040 N0050 N0060 N0070 N0080 N0090 N0100 N0110 N0120 N0130 P77 N0010 N0020 N0030 N0040 N0060 N0070 N0080 N0090 N0095 N0100 N0110 N0120 P88 N0010 N0020 N0030 N0040 N0050 N0060 N0070 N0080 N0
24. cutting tool After changing cutting tool the offset must occur in X and Z directions of current tool nose relative to previous one That s to say even if big and small tool carriages don t move the tool nose position will change after changing cutting tool and the effect of cutting tool compensation is used to compensate this change 1 For instance If current cutting tool is T1 its tool nose position is Al after changing for No 2 cutting tool T2 the tool nose of it is in the A2 Z position The tool nose coordinate is changed from A2 X2 Z2 Al X1 Z1 to A2 X2 Z2 after changing cutting A1 X1 Z1 tool and the effect of cutting tool compensation is to convert the original coordinate X1 Z1 of tool x difference in X and Z directions of Al and A2 can be measured beforehand and this difference nose coordinate value to X2 Z2 The relative is the cutting tool compensation value memorized by numerical control system In practical applications in order to simplify this course the numerical control system doesn t measure difference of each other among cutting tools but adopts simpler methods to memorize cutting tool compensation value Th Thats the method of memorizing coordinate value for determination For instance Contacting certain fixed point core rod or specimen one by one along X and Z directions for tool nose of each cutting tool and this fixed point contacted by tool nose is regarded as standard Owing to differe
25. electronic disk then shutdown can be made Pressing F2 Starting up CNC reads the parameters saved in the last shutdown and recovers current coordinate clearance direction cutting tool compensation number and so on After operation is completed Completion is displayed in the top right corner of screen 73 Nanjing Washing CNC System User Manual Appendix One Error alarm Notes of error number and error content Error number 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 20 26 27 Error content The time defined by G04 has error Undefined K parameter Error of G24 sub program returning and disorder of transition processing and sub program call Data exceeds after G31 magnifies The parameter error of writing cutting tool The cutting tool number or cutting tool compensation number have errors when starting up Without the G and M functions Transition processing nestification has error including sub program call CNC doesn t memorize work piece coordinate before calculating cutting tool compensation value using Xsav or Zsav keys The first letter of program line has error the line must be initiated with N The arc parameter is not complete File directories have full The data format has errors such as numerical value after coordinate the cutting tool compensation value which is correspondent to cutting tool number such as T01 in the cutting too
26. first pressing ENTER and pressing F3 cutting tool compensation then inputting work piece length of trial cut finally pressing ENTER to generate the cutting tool compensation 5 Pressing Save Open program key to save the input or modified parameters Modification and regulation operation See 2 4 3 9 Input operation See 2 4 3 8 4 8 Coordinate modification and regulation After accessing PARAM Parameter primary function pressing lt gt key and F4 modification and regulation key then coordinate modification and regulation interface appears See 2 4 5 for detailed information 4 9 Diagnosis external input signal monitoring After accessing PARAM Parameter primary function the lt gt key should be pressed then the F3 Diagnosis key This function will display status of external input port such as whether there is signal input into the system or whether external limit zero signal are valid and so on When certain digit displays 0 no signal is input while it becomes 1 which signifies there is signal input of corresponding input port As is the figure below Parameter setting X 0000 000 Z 0000 000 T06 0 0 0 EROR YREF XRDY XPSN YPSN XREF 0 0 0 0 ZPSN PAUS SPHL LIM STRT 4 F1 F2 F3 F4 F5 Kl 3 6 Among it T01 T08 are correspondent to input signals from 1 cutting tool to 8 cutting tool EROR is correspondent to input signal of XERR YERR and ZERR drive alarm STRT and
27. into executable data format and then executed The block number is used to identify every block composing program it s composed of N with following 0000 9999 The block number must be written at the beginning of every segment which can be generated by segment number automatic generater see program edit function In one program the block number can adopt optionlal value in 0000 9999 however in principle various block numbers should be arrayed from small to big according to its precedence in the program For the convenience of inserting new block in the required position it s recommended not to use continual serial no to the block when programming and if the programming is implemented on the CNC panel it s suggested that the block be numbered with interval of 10 In this way it s easy to assign different block numbers when inserted into the program parameter 27 2 1 1 Parameter The parameters P0 P9 can be used to substitute digit in the block First the assignment statement in the program can be used for parameter P0 P9 assignment and in the subsequent programs the assigned parameter can be used to substitute this numerical value When the program is automatically excuted the parameter is changed to the lately assignment number of this variable If this parameter is assigned again in the program then the new value is only Nanjing Washing CNC System User Manual valid to the changed quotation and the previous quotation sti
28. number increment is 274 parameter and system will process the input program name when input completes 46 Nanjing Washing CNC System User Manual 3 4 2 Program edit Pressing F5 in the program management image which the word edit appears in the right of the third line simultaneously the cursor flashes after the Program name in the first line User can input one main porgram name P00 P99 or sub program name N00 N99 and access edit page after pressing enter key The edit page is as follows Line 0 001 Row 01 X 0000 00 Z 0000 00 81 DE E21 Er Im F2 F3 F4 FS F1 If this program has existed in the system then it will be displayed in the screen If it s the new program there is no program in the program display region the blank in the middle of screen is for user to edit The current program name as well as line number and row number are displayed in the first line X and Z are the coordinate values which are relative to program origin of two machine tool coordinate axes The bottom line is the note of edit function and F function key becomes cursor movement key when editing program by this time lt gt is used to switch cursor function key The program display region is in the middle and user can edit program in it Character key and numerical key The pressed character and number will appear in the cursor position with pressing character key or numerical key simultaneously cursor and following character
29. offer various real time system information 4 Various input out interface 3 1 Safety protection and compensation In general situation the ring opening driving of stepping machine won t influence much on the machinery at the time of overtravel blocking rotation owing to its principle while towards the system which the exchange servo is as the executing component the overload capacity of exchange servo and output torque will increase dramatically and the mechanical damage even serious accident will probably occur So the safety protection of machine tool is significantly important towards the machine tool driven by exchange servo unit The system limits probability of error occurring through various aspects below 3 1 1 Emergency stop The emergency button should be equipped with a pair of normally opened normal closed contact for each and the normally opened contact should be connected to P6 and P9 of system 5J3 see technical manual It s strongly recommended that the normally closed contact is switched in the strong power circuit of machine tool which is the control circuit supplying power for main circuit spindle and servo so as to guaranty that the spindle and servo can stop operating with the maximal reliability under emergency When the emergency stop signal is received by the system it ll be switched to the manual mode and 55 alarm occurs and all operations are locked 3 1 2 Hard limit Towards the machine tool which th
30. on of holder positive rotation relay 2 4 3 7 Presetting cutter methods and steps This system adopts universal presetting cutter method of trial cut and for the convenience Time delay 0 1 second 36 Nanjing Washing CNC System User Manual of operation the system offers independent memory presetting cutter mode in X and Z directions and the presetting cutter in X and Z directions is memorized simultaneously the specific operation steps are as follows 1 Independent memory presetting cutter in X and Z directions Presetting cutter method in X direction D One work blank piece is clamped on the chuck Accessing manual operation mode Turning the holder and selecting the cutting tool number requiring presetting cutter such as T1 Setting appropriate spindle rotating speed and manual feed speed and starting spindle moving holder using selected No T1 cutting tool to turn one section of excircle or inner bore and X memory appears at the top right corner in the screen by pressing Xsav key Manually quitting cutting tool and stopping the spindle measuring the diameter of excircle inner bore after cutting 6 Pressing cutting tool compensation setup key to access the cutter compensation parameter interface and X 0 000 appears in the screen inputting the diameter measured in the step 5 on the keyboard and pressing ENTER key for confirmation then pressing Save Open program for saving No
31. on or switching off M function is always different from the one prescribed by standard owing to differences of machine tool manufacturer and machine tool structure as well as model Then M functions will be elaborated on 2 3 1 M00 Program pause Format M00 Description M00 appears in the program and pauses after this segment program completes Pressing the processing start key and the program continues 2 3 2 M01 Condition pause Format M01 Kxx or M01 Lxx Description The two digits after K or L is corresponding to certain number of I O and the program will stop here until the exterior inputs one low valid or high valid signal to the I O then program will continue The valid time of external level is required greater than 100 milliseconds K is high level valid and L is low level valid The input port number definition of 31DT system is given below 1 input port 1 cutting tool 2 input port 2 cutting tool 3 input port 3 cutting tool 4 input port 4 cutting tool 5 input port 5 cutting tool 6 input port 6 cutting tool 7 input port 7 cutting tool 8 input port 8 cutting tool 9 input port XREF 10 input port ZRDY 11 input port YRDY 127 input port YPSN 132 input port XPSN 142 input port XRDY 152 input port YREF 164 input port XERR YERR ZERR 172 input port limit 18 input port ZREF 19 input port emerge
32. page of F function key 3 4 PRGRM Program primary function PRGRM Program is the user processing program management after pressing PRGRM Program key the main image of PRGRM Program is displayed in the screen such as the figure below Program name table P01 0179H 0 P40 0024H 0 P36 0197H 0 P02 0148H 0 P06 0164H 0 lI ed Del el F1 F2 F3 F4 FS The system offers 30 program directories and user can most save 30 processing programs in the system in addition the program still remains in CNC after shutdown or power down Towards every program the system displays P01 0179H 0 Program attribute L Program character number 16 bit Program name 3 4 1 Input principle of program name In the system only the main porgram can process and the main porgram regards P as the first letter The sub program regards N as the first letter and it can only called by main porgram The main program or sub program following two digits signifies various program numbers and 8T system provides that the main program can be any one from N00 to N99 and sub program can be any one from N00 to N99 When inputting program name first typing in P or N then inputting two digits by pressing keys from 0 to 9 if 272 parameter is equal to 0 after pressing enter key the system won t automatically generate block number and when 27 parameter is not equal to 0 the block number will be automatically generated The block
33. rotation eeeeeee eee eren eene ee eene ennt esee tnnue 28 2 3 Subsidiary function M function cresce eese cree eene nente e neon netto setas etas eene stone enano 28 2 3 1 MOO Program Pas ossessi iesst aros ero Eo Rene oae een ao Sede pea een aa ee vro aee ea dba ane 29 2 3 2 M01 Condition pause 5 5 rice oe sese toca oco ere eek eget rera ven Ea ea ppe ee TR TENER EL NEE Fa ee Ree Eg 29 2 3 3 M02 Program COMpIeCtiONn ccesssescssecssssrsccscvecssvesencssecsssarscsncavsseassvencssscssecsssnse 29 2 3 4 M03 Spindle positive rotation eee ee eese eene eene eren netten eee n esee setas etas etna 30 2 3 5 M04 Spindle reversion ccsesscsescsseccssscsccscsvesencssecsssenscssoncsseavssenssveccssanacsseaseuescsses 30 2 3 6 M05 Spindle St pivessecccecssiscccsessecceansvancscavessovavevscseceatescvenssecceunavsvecteveetssansvescseeveaveses 30 2 3 7 M08 Open cooling fluid sseosseosssosscosssssssssosesoossoossoossoossoossoosscosssosssssosssosssosssoossoos 31 2 3 8 M09 Close cooling fluid scscccessssescssscssssrsccnsnvscsasssencsoncseseacssassecssscsvsssecsvecsssanse 31 2 3 9 M10 Work piece clamping cese eene eene eene eene ennt tnnt ense tenete setas etna seus 31 2 3 10 M11 Work piece loosing eee ee esee eene eene eerte een netto netta setae stone seta setas etus 31 2 3 11 M20 Open specified relay
34. shutdown recover save system status optional 4 2 Basic conception of parameter Before introducing parameter some basic conceptions should be introduced first 4 2 1 Time constant of speed increase and decrease It s the time that the operating speed consumes from zero to maximum set one or from maximum set speed to stop towards to the coordinate axis of machine tool 4 2 2 Acceleration The 31DT system adopts sampling control method and implements sampling control for one time to various coordinate axes The speed increase and decrease of various axes adopt control method of even acceleration in every other 4 096 millisecond namely the change of motor speed if it operates of each sampling interval 4 096ms is constant value which is the speed increase and decrease of the system Its calculating formula is nE Va x Ts SOx Ta Among it Ts System sampling time 4 096 ms Tm Time constant of speed increase and decrease ms Vm Maximal speed mm min A Acceleration The acceleration can be changed through changing maximum speed or changing speed increase and decrease Generally the maximum speed is used to limit the one in this movement status and the acceleration value can be determined with time constant of speed increase and decrease while the actual operating speed of system should be less than or equal to the maximum speed The relationship among acceleration a maximum speed Vm and time constant Tm
35. than 180 degree 5 G02 can also be written as G2 Example The AB segment arc program of processing right figure is as follows Absolute value mode G90 G02 X60 2730 120 KO _ F150 circle center coordinate programming G90 G02 X60 2730 R10 F150 radius R programming Illus 2 3 G03 Nanjing Washing CNC System User Manual Incremental mode G91 G02 X20 Z 10 120 KO Fl50 circle center coordinate programming G91 G02 X20 Z 10 R10 F150 radius R programming 2 2 4 G03 Inverse arc interpolation Format GOGXZIKF L 30 uE G03 X_Z_R_F_ Description When programming with G03 7 I m 940 instruction except that the arc rotating direction is opposite the rest are same as the G02 instruction Example The program of right figure is as follows Absolute value mode G90 G03 X60 Z30 I0 K 10 F100 Illus 2 4 G04 circle center coordinate programming G90 G03 X60 Z30 R10 Fl00 radius R programming Incremental mode G91 G03 X20 Z 10 I0 KF100 circle center coordinate programming G91 G03 X20 Z 10 R10 F100 radius R programming 2 2 5 G04 Time delay Format G04 Kxxx xx Description After the program delays post K programming value second continue to operate and the scope of time delay is from 0 01 second to 65 5 seconds 2 2 6 G09 Feed angle specified stop Format G09 Description G09 is used to check whether servo is in place and because servo has following errors when it reaches settin
36. the first line program Please input the program name which will be renamed has existed in the system and one arrow will appear after this program name after pressing enter key which signifies that this program name will be renamed to another one and cursor flashes after the arrow 4 Inputting one new program name which must be the nonexistent one and the original program name will be changed into new name after pressing enter key simultaneously there are also corresponding changes in the program name table The main role of rename sub function is to change the main program into the sub program and the system can only process the main program the sub program can only be called by other programs In order to call one sub program it s necessary to implement editing and debugging The program is changed into sub program by using Rename after there is no error It can be called by other main programs with necessary sub program definition statement 3 4 4 2 Input F2 One program can be input from PG machine or other numerical control systems through serial port Operation 1 Pressing PRGRM program to access program management 2 Pressing lt gt 3 Pressing F2 to display Input and cursor appears and flashes after the first line Program inputting program name in the cursor position it must be the program which isn t in the system and the input process starts after pressing enter key 4 The in
37. the same time big errors in the program can be evidently found combining coordinate values which are displayed in the screen The figure in the screen can track tool nose s cutting movement in synchronization and displays appearance of bar The operator can directly view the manufacture course of revolving body from the screen when tool nose moves In the simulated condition the cutting tool center track is displayed in the screen however various coordinate axes of machine tool don t move in addition control functions of various machine tool electrical equipments are invalid which are mainly for debugging program When program has no errors it can be processing to avoid failures even accidents owing to programming oversight 3 6 1 Image access sequence of figure display function 1 Pressing OPERT Process key 2 Pressing F3 Auto key 3 Pressing Save Open program key 4 Inputting file name PXX 5 Pressing ENTER 6 Pressing F5 track display Screen displays as follows Track display Program 3 6 2 Image selection of figure display function After accessing figure display function image according to 3 5 1 sequence the function keys of F1 F5 will be defined F1 It s used to delete wrong digit input F3 Simulation There is only figure display and cutting tool won t move F4 Online The figure display and cutting tool movement are in synchronization F5 Zero setting It s use
38. then the program can be processed according to provisions For the convenience of describing machine tool movement when programming simplifying the program compilation methods to guaranty the exchangeability of recorded data and the coordinate and movement direction of numerically controlled machine tool have been standardized The Ministry of Engineering Industry promulgated the denomination standards of JB 3051 82 numerically controlled machine tool coordinate and movement direction in 1982 and the denomination principles and provisions are as follows 1 2 1 Movement principles which are relative to stationary work piece This principle is for programming staves to determine machine tool operating process according to element drawings under condition that they don t know whether it s the cutting tool movement or work piece movement Nanjing Washing CNC System User Manual 1 2 2 Standard coordinate system provision The standard coordinate system is one 7 rectangular coordinate system as the figure of s n previous page Various coordinate axes of this coordinate system parallel to primary guide tracks of machine X Illus 1 1 Standard coordinate system tool 1 2 3 Provision on machine tool moving component direction The movement positive direction of certain moving component of machine tool is the one to increase distance between cutting tool and work piece 1 2 3 1
39. tool modification and regulation and the cursor appears after Password 2 Inputting password which concords with the password in the System zero setting function 3 Pressing ENTER If input is right the system will clear away this line else display error 4 3 System parameter P parameter In order to modify the system parameter the right password according to 4 2 4 must be input first then 1 Pressing PARAM Parameter to access parameter image 2 Pressing F2 P parameter to access P parameter system parameter and input password 3 Pressing F1 F4 to move cursor to corresponding parameters 4 Pressing numerical key can directly implement input again 5 Pressing enter key ENTER to confirm the input 6 Pressing Save Open program to save parameters into the electronic disk Cutting tool zero function One position can be selected optionally on the machine tool as the processing start point cutting tool zero and this point has two groups of coordinates 59 Nanjing Washing CNC System User Manual 1 The big coordinates based on work piece coordinate system 2 The absolute coordinates based on machine tool reference point F5 can store the two groups of coordinates above in the current position of tool nose Note The absolute coordinates can be meaningful only after machine tool returns to reference point else the operation will be disordered When machine tool coordinate m
40. 090 N0095 N0100 N0110 N0120 P99 N0010 N0020 N0030 G00 G71 G00 G02 G03 G01 G01 G01 G01 G01 G00 G27 M02 G00 G72 G00 G01 G01 G01 G01 G03 G02 G00 G27 M02 Nanjing Washing CNC System User Manual X10 2370 17 K2 N8 X 37 Z 29 F2400 X240 2370 X190 Z320 10 K 50 F240 X140 Z270 I 50 KO X100 27200 X100 27150 X60 2150 X60 2780 X60 Z80 X10 2370 N0020 0110 X260 2370 I7 K2 N8 X37 229 F2400 X260 2740 X160 27140 X160 2210 X100 27210 X100 27270 X50 Z320 I0 K50 X0 2370 1 50 KO X260 2370 N0020 0100 Diameter programming G00 G72 G00 G01 G01 G01 G01 G01 G03 G02 G00 G27 M02 G00 G73 G00 X520 Z370 I7 K2 N8 X37 Z 29 F2400 X520 2740 X500 2790 F240 X320 27140 X320 27210 X200 27210 X200 2270 X100 Z320 10 K50 X0 2370 1 100 KO X520 2370 N0020 0100 X270 27390 1220 K60 N6 L20 X 6 Z 3 F2400 X40 2370 18 Nanjing Washing CNC System User Manual N0040 G01 X40 2270 F240 N0050 G01 X75 Z140 N0060 G02 X175 Z40 1100 KO N0070 G00 X200 220 N0080 G01 X260 2390 N0100 G27 N0020 0090 N0110 M02 P98 Diameter programming N0010 G00 X540 2390 N0020 G73 1440 K60 N6 L20 X 6 Z 3 F2400 N0030 G00 X80 2370 N0040 G01 X80 2270 F240 N0050 G00 X150 Z140 N0060 G02 X350 Z40 1200 KO N0070 G01 X40 720 N0080 G01 X520 Z00 N0090 G00 X540 Z390 N0100 G27 N0020 0090 N0110 M02 It s necessary to specify the fine machining path and rough machining engagement when th
41. 21 KIS 5J2 P3 M20 K16 M21 K16 MIS S2 S1 S2 S3 interlock 5J2 P10 M20 K17 M21 KI7 M14 S1 S1 S2 S3 interlock 4J1 P2 P10 M85 M20 K15 M21 KIS 2 4 F S T functions F S and T functions are the abbreviation of feed function spindle function and cutting tool function 2 4 1 F Feed function The feed function is called F function in general and F function can directly provide feed speeds of G01 G02 and G03 F function is signified by F and following digits which the feed speed is mm min The feed speed of 31DT numerical control system is between F1 mm min to F 60000 mm min and user can randomly select according to actual cutting condition 2 4 2 S Spindle speed control The spindle control is divided into the frequency control motor and spindle use change speed motor two speed motor and three speed motor 2 4 2 1 The spindle with frequency conversion motor The spindle control is implemented by the Sxxxx M03 M04 M05 037 parameter 04 parameter and 11 14 parameters which determines the analogue output controlled by the spindle the factory set is 0 10 V In general the machine tool spindle has one level manual gear shift to implement various rotating speed scope which the bigger output torque still exist at low speed 31DT can output high speed and low speed analog voltage and the top limit of high and low gear is determined by 3 parameter and 4 parameter in the P parameter For examp
42. 50 GOO X44 230 2 fast feed 0060 GOL X30 F120 rough turning end surface 0070 G00 2107 fast retracting 0080 GOO X18 4 fast feed 0090 G01 27104 F120 low feed 0100 GOl X20 4 Z84 rough turning external cone the diameter allowance is 0 4 0110 GOl Z34 rough turning excircle 20 0120 G02 X28 Z30 2 R3 8 F80 rough turning R4 0130 GOL X40 2 F120 rough turning end surface 0140 GOl ZO rough turning excircle 40 0150 G00 Z104 fast retracting 0160 51500 0170 GOO X24 fast feed 0180 GOl X 0 2 F120 fine turning end surface 0190 GOl X15 0200 COl X18 Z102 5 chamfer 1 5x45 0210 COL X20 Z84 fine turning taper 0220 C01 734 fine turning excircle diameter 20 0230 G02 X28 2730 R4 F80 fine turning R4 0240 GOL X40 F120 fine turning end surface 0250 GOl ZO fine turning excircle diameter 40 0260 GOO X100 Z160 fast retracting 0270 T2 changing screwer to process thread 0280 S700 0290 C00 X17 8 Z106 fast feed 0300 G87 X20 2784 Kl14 I4 RI 96 L8 turning taper thread 0310 G00 X100 Z160 0320 M05 0330 M09 0340 TI 0350 C00 X100 Z160 0360 M02 77 Nanjing Washing CNC System User Manual Example Three The elements showed in the figure below have three cutting tools in total 1 cutting tool It s the 90 degree excircle 27 cutting tool 5 mm grooved cutter 3 cutting tool 60 degree screwer Rough dimension 60X150 Material Aluminum The programming is a
43. 54 function is the independent block and other instructions are prohibited 4 The post G54 block will be compiled on the base of G54 established new coordinate system without considering the original coordinate system effect 5 When processing the dynamical coordinate display is still relative to original coordinate system origin 6 G54 itself is not the movement instruction it only memorizes coordinate bias If it s necessary for cutting tool to operate to G54 the G01 or G00X0Z0 block must be compiled once more to make cutting tool operate to G54 Example N0010 G92 G90 X40 Z65 N0020 G01 X60 Z45 F100 AB N0030 G54 Z35 N0040 G01 X50 Z0 BC N0050 X80 Z 20 CD N0060 G53 N0070 M02 2 2 19 G55 Increment zero bias Format GS8X Z Description 1 G55 function will make coordinate system origin parallel move to XZ in increment from the cutting tool current position which forms new coordinate system 2 Other cautions are same as G54 Example N0010 G90 G92 X20 Z70 N0020 G01 X40 Z50 F100 N0030 G55 Z 10 N0040 G01 X50 Z0 N0050 X60 Z 20 N0060 G53 N0070 M02 2 2 20 G56 Current point bias Format G56 Description 1 G56 function will set the cutting tool current position as the coordinate origin the posterior programming will regard this point as coordinate origin without considering the o2 60 j 50 40 original coordinate system effect 2 The rest is same as G54 Example
44. 63 LE M CCOSS ME 63 4 4 2 Digit parameter Setting scscsccscssssercssecsscsvsccsonrssensssencsoncsesevscsncarsecsssvarsseessvensssanee 63 4 5 Thread pitch error compensation ecce eerte eee ee e eere neenon totos tta seta setas eene stone eno son 67 4 5 1 The required caution problems of thread pitch error compensation 68 4 5 2 Thread pitch error compensation example 4 ceeeeceee eene eene seen neenon 68 AG SOU I CHE M 69 Nanjing Washing CNC System User Manual 4 7 Cutting tool parameters csccsssccsssrssesssssvessecsseccsserssssoncsssarsscncsseccsvarsssncncseavesncsseasssenscens 69 4 8 Coordinate modification and regulation c ecce eee crees crees eee e neenon enano 70 4 9 Diagnosis external input signal monitoring cree eee esee e eee eren eene etes n eee no se tna nen 70 4 10 System Zero settlng eiie nete enero ene erase nne en e eoe era ea on iran eo ea aep eene en ene sdectedsausseucscaceesee 71 ENNIUS em 71 CL a ANTEA 71 4 10 3 Password Setup oreet ces eee eere entere eae eene e ERE ee EE Pa e cosdas e TREE e ER ee ga Soe Saoer Ske iss 71 410 4 BACKUP ECCE CENE 72 4 11 Shutdown and starting up 4 eere eerte e eee eee eene eene tenes tones tones etas en o sesta sets esteso seno sen 73 Appendix One Error Alarm eiie eeeceeseseeeecee esee eek a
45. G91 G82 X0 Z 5 R20 I 1 K 0 2 F200 Increment mode Processing course It s similar to example 1 A and the difference is without the 2 step Starting from B position G90 G82 X20 Z105 R 20 I 1 K 0 F200 Absolute value mode G91 G82 X 20 Z5 R 20 I i K 0 2 F200 Increment mode Processing course It s similar to example 1 B and the difference is without the 3 step According to various X and R values the following figure can also be programmed 23 Nanjing Washing CNC System User Manual d b Illus 2 21 Example 4 The concave end surface cycle with steps The cutting tool should stop at the central position when it s i processed from center to outside which guaranties the cutting i tool not to be bumped at the time of retracting G90 G82 X20 Z100 R 10 I 1 K 0 2 F200 Absolute value mode G91 G82 X20 Z 5 R 10 I 1 K 0 2 F200 Increment mode In the examples above if I and K are changed into simultaneously then the figure will regard X axis as mirror image and right processing will be implemented 2 2 30 G85 Threading cycle 31DT standard configuration has no this function 2 2 31 G86 Metric thread cycle Format G86 AX Z K ID RN LJ Mask G86X Z KID RNL J Lez direction de trailing length Plus positive value Cycle number Thread head number which is used for multiple thread N lt 150 The diameter difference between thread outside diameter and root diameter which is positive value
46. If 217 parameter is equal to 0 M04 will maintain output 3 If 212 parameter is equal to 1 M04 is the pulse output and pulse delay is determined by 15 parameter 2 3 6 M05 Spindle stop Format M05 Description 1 M05 instruction outputs pulse signal and closes spindle positive rotation or reversion control relay to stop outputting analogue and the spindle rotation stops The width of output pulse signal is determined by 142 parameter Controlling 3 relay 2 If 127 parameter isn t equal to 0 CNC also outputs short signal to 8 relay to offer spindle braking function 3 If X parameter is equal to 0 M05 will closes 102 12 and 142 relays if 22 parameter is equal to 1 M05 won t close 107 122 14 relays 4 The execution course of M05 instruction is 30 Nanjing Washing CNC System User Manual Close 1072 127 and 14 relays Time delay 14 parameter 122 parameter 0 2 3 7 M08 Open cooling fluid Format M08 Description M08 function will be executed at the beginning of this segment program and Yes the cooling fluid control relay will be switched on 67 relay 2 3 8 M09 Close cooling fluid Format M09 Description M09 function will close cooling fluid control relay 6 relay after this segment program completes 2 3 9 M10 Work piece clamping Format M10 Description M10 function will switch on the relay controlling clamping movement 9 relay 2 3 10
47. L is different from the adjacent measuring point while the compensation amount is not only related with the error value of two measuring points at both sides of current point but also related with the fore and aft error change rule of adjacent measuring point Seeing 4 5 1 for the implementation of thread pitch compensation 3 2 Operating keyboard of numerical control system The whole operating functions offered by numerical control system can be implemented by keyboard operation The front panel of 31DT system is composed of 6 Inch LCD address function keyboard region numeric keyboard region and manual operation keyboard region The operating panel of system is as the figure below 0 o0 9 P ry eu fea ou VI Hh HC X 0045 670 9 9 6 09 09 2 0123 890 KICK Ke Qe O0 CASAN ORI 31DT system has three major functions PRGRM Program Various management program input and output operation related with program OPERT PARAM tools Process All movements and strong signal control related with machine tool Parameter The control parameters are set according to various machine 41 Nanjing Washing CNC System User Manual 3 2 1 Primary function key 1 PRGRM Program The user processing program management which is used to manage the processing program compiled by the user and under this primary function there are sub functions related with program management 2 OPERT Process It s the machine to
48. M02 The processing sequence of program above is N0005 N0010 N0050 N0060 N0070 N0080 N0050 N0060 N0070 N0080 N0020 N0030 N0040 N0050 N0060 N0070 N0080 N0090 N0100 2 2 12 G27 Endless cycle Format G27 Nxxxx XXXx Description 1 The block between the first and second block numbers is the interval of endless cycle once entering G27 status the system will infinitely repeat carrying out the operating track which is defined by this block 11 Nanjing Washing CNC System User Manual 2 In order to guaranty that the coordinate doesn t offset when every cycle starts the block is required to be the sealed track else the start point will shift at every start and finally exceeds working table 2 2 13 G30 Magnification and minification cancel Format G30 Description When the G31 magnification and minification is implemented G30 cancels effect of G31 2 2 14 G31 Magnification or minification Format G31 Kxx x Description 1 The scope of multiply factor is 0 001 65 5 namely K0 001 K65 5 2 The effect of multiply factor is to magnify or minify K times for the various segments size of processing track evenly 3 The multiply factor has no effect on the cutting tool 2 2 15 G47 Short line speed auto transition Format G47 Description When processing non circle curved plane the general software of CAD CAM uses very short line to impend curved plane under precondition of guarantying certain precision and t
49. M11 Work piece loosing Format M11 Description M11 cancels relay controlling clamping movement 97 relay 31 Nanjing Washing CNC System User Manual 2 3 11 M20 Open specified relay Format M20 Kxx Description The two digits after K is corresponding to certain relay number and output of OC port will be valid when executing to this statement which switches on the relay on the relay panel and continues after delaying time for one second 2 3 12 M21 Close specified relay Format M21 Kxx Description The two digits after K is corresponding to certain relay number and output of OC port will be invalid when executing to this statement which switches off the relay on the relay panel and continues after delaying time for one second 2 3 13 M24 Setting cutting tool compensation number Format M24Kxx Description When the cutting tool compensation number is used for the first time and must be changed it only changes cutting tool compensation number instead of regulating work piece coordinate and the two digits after K is from 00 to 10 2 3 14 M30 Returning to program header Format M30 Description When program executes to M30 the system will points the program pointer to the program beginning and waits for input of operator if start key is pressed the program will be executed again and if the cycle key is canceled the processing will be canceled 2 3 15 M71 M85 M function pulse output Format M77 taking
50. M77 for example Description Considering that various machine tools have different requirements to M function the system sets up this function which is used to control relay on the relay board to output short time on off signals and its movement sequence is as follows taking M77 for example 1 Controlling 7 relay on the relay board and switching on it 2 Time delay 15 parameter When 15 parameter is equal to 0 the time delay will be 0 4 second 3 Switching off 7 relay 2 3 16 Output interface programming and relay number comparison table Socket and Pulse Maintain Cancel Supplement function Remark port number output output output 8J1 P2 P6 M71 M20 Ki M21 K1 M03 M03 M04 interlock 8J1 P3 P8 M72 M20 K2 M21 K2 M04 M03 M04 interlock 8J1 P4 M73 M20 K3 M21 K3 M05 M05 cancel M03 M04 5J1 P6 M75 M20 K4 M21 K4 Holder positive rotation 5J1 P7 M74 M20 K5 M21 K5 Holder reversion 5J2 P5 M76 M20 K6 M21 K6 M08 M09 cancel M08 5J2 P12 M77 M20 K7 M21 K7 M12 S3 M16 S1 S2 S3 interlock 5J2 P4 M78 M20 K8 M21 KS Braking 32 Nanjing Washing CNC System User Manual 5J2 P11 M79 M20 K9 M21 K9 M10 M11 cancel M10 4J3 P3 M80 M20 K10 M21 K10 4J2 P2 P10 M81 M20 K11 M21 Kll 4J2 P3 M82 M20 K12 M21 Kl12 4J2 P2 P10 M83 M20 K13 M21 KI13 4J1 P3 M84 M20 K14 M21 Kl4 4J1 P2 P10 M85 M20 K15 M
51. PAUS is correspondent to external start and pause signals EMRG is correspondent to external emergency signal LIMT and LIM is correspondent to positive and negative limit signals SPHL is correspondent to spindle high low speed input signals 70 Nanjing Washing CNC System User Manual 4 10 System zero setting Because the system has power down protection function so it s impossible for system to initialize the storage area protected by power down after starting up for each time else the parameter or program will be damaged However after the system is installed or user feels it s necessary to Clean this interval F5 system zero setting can be pressed and it sets all storage cells as 0 which includes all adaptable parameters processing programs and program name tables Accordingly user should execute this function with caution for preventing losing important programs Therefore the system sets up one security measure which only the operator with Clean system right can use this function 1 Pressing F5 system zero setting to access system initialization and the screen displays as follows System zero setting Input password ENTE F1 F2 F3 F4 In the screen there is Input password and displays cursor FS 2 Inputting the password corresponding to this system These characters aren t displayed in the screen to keep secret Finally pressing the enter key 3 If the input password is wrong it will b
52. WASHING 31DT LCD Screen Lathe Machine Tool Numerical Control System Operation amp Programming Guide NANJING WASHING CNC DEVICE CO LTD Nanjing Washing CNC System User Manual Chapter One 31DT System Overview ccscsccssssssssssescssesssssnscsscassscassseccssessvecsssersessnarsscasssenssvecsssnnse 1 1 L31DT system indicator vis cctccscccctcesedccecavesccecesadsccctssnedcancvedessescasetececovestesstssvedecesedsenctvesseedasesen 1 iBULIIEIISIIDILE m 1 iU oues M 1 1 2 Coordinate system ProviSiON sccscsccssssssesssveccsssnscssenvssescsseccssonsvacsssnoncseavssencsvecsssavacsaoares 1 1 2 1 Movement principles which are relative to stationary work piece 1 1 2 2 Standard coordinate system provision cere eee ee eerte e eee ee eene etienne tae etun 2 1 2 3 Provision on machine tool moving component direction eeeeeeees 2 1 2 4 Machine tool reference point ee eeeee ceres eene esee e neenon etian etas etta esteso seno ses 2 1 2 5 Work piece coordinate system eerie eee ee sette esee nest e sete setas etas en esteso sesso ses 2 1 2 6 Cutting tool compensation principle when changing cutting tool 3 Chapter Two Programming cccccceccevsececcucsvcaceeusecescac ucssevdsciestec ncsceusiedesgacseisdsnsecesdeesecvcsedsetatee
53. addition Z coordinate moves 26 5 mm along positive direction After pressing Cycle start key the system firstly implements necessary internal processing such as examination error detection etc If error occurs the note of error will appear otherwise the program will be executed in order Note 1 The program name of auto cycle processing will be called out by file open key 2 The figure simulation or track will be accessed under automatic processing and see 3 6 section for specific contents 3 5 2 Manual operation of machine tool Manual operation includes two modes of manual continuous feed and stepping feed which are called manual mode and pulse control mode and both refrigeration and spindle can be 52 Nanjing Washing CNC System User Manual manually operated 1 Manual mode Manual mode can be accessed by pressing PRGRM Program key and under the manual mode 4Z Z X A X V signify operating keys which are used for various coordinate axes to move along their positive directions or negative directions When pressing one of them the corresponding coordinate axis will move long its direction The feed speed can be manually set by pressing FSET When pressing one of feed keys above and simultaneously the speed operation can be set by pressing parameter 2 Pulse control mode It s same as the manual mode that presses F2 key to access pulse control operating mode The coordinate moves some given le
54. all move backward one character position namely one character inserts in the cursor position insert mode Edit function key It s composed of F function key and enter key ENTER The role of edit function key is to move cursor to proper position so as to add delete one or one line character and they don t directly add character in the program The role of enter key is to move cursor to the head of next line If it s in the certain line of program it will insert one blank line between this line and the next one and simultaneously bring all characters after cursor position of original line to the blank and generate one new line lt b can be used to switch functions of F1 F5 keys For instance Edit the two segments of programs below N0010 G00 X100 N0020 G01 Z10 The sequence of key press is N 0 0 1 0 G 0 0 X 1 0 0 ENTER 47 Nanjing Washing CNC System User Manual N 0 0 2 0 G 0 1 Z 1 0 ENTER The following keys are valid when editing F1 Cursor moves to the left for one character and the program content changes none It s invalid to press F1 when cursor reaches the line head F2 Cursor moves to the right for one character and the program content changes none It s invalid to press F2 when cursor reaches line end F3 Cursor moves upward one line if this line is the first one when cursor reaches it of program region in the screen it will be invalid to press F3
55. am The hiding program can be edited modified as the common attribute however the program name isn t displayed in the table accordingly no one but the operator can operate this program The read only hiding is the combination of two attributes of hiding program and read only Operating steps 1 Pressing PRGRM program to access program management 2 Pressing lt gt 3 Pressing F5 and the display function notes program status simultaneously inputting program name in the cursor position 4 The arrow appears post program name after pressing ENTER which signifies that the program will be assigned attributes 5 One of four numbers 0 1 2 and 3 is put in the cursor position and pressing enter key then this program name will be assigned attribute simultaneously there are also changes in the program name table and the meanings of four numbers are 0 common attribute 1 read only 2 hiding attribute 3 read only hiding The default attribute is 0 common attribute after editing new program 3 4 4 Rename input and output function The system inputs and outputs program via RS 232 serial port 49 Nanjing Washing CNC System User Manual 3 4 4 1 Rename F4 It s used to modify some one program name which is stored in the system program 1 Pressing PRGRM program to access program management 2 Pressing 4 gt 3 Pressing F4 to display Rename simultaneously the cursor appears after
56. ber X4 sent by encoder in every rotation Normally the encoder of 1200 lines is 4800 3 to 5 pulse deviations are allowable but if it s too more at a time it must be decreased in the adjacent previous next time without accumulated error It s normal that the displayed data is probably incorrect of the beginning 1 to 3 times The checking stops when display is full of screen Except for coordinate movement direction key and primary function key pessing other optional key to continue checking As the figure below Parameter setting X 0000 000 Z 0000 000 796 545 805 467 803 234 189 367 4800 000 4799 000 4801 000 4800 000 4800 000 4802 000 4798 000 4799 000 Fl F2 F3 F4 FS 4 7 Cutting tool parameters About the effect of cutting tool parameter in the programming please see 1 2 6 Cutting tool compensation operation 1 Pressing F1 key to access cutting tool parameter setting menu and at this time the cursor flashes in the parameter position of T01 cutting tool number 2 At this time the F function key is redefined and pressing F1 or F2 keys to move 69 Nanjing Washing CNC System User Manual cursor to the required cutting tool nunmber position 3 If the X direction value is to be input pressing F3 cutting tool compensation then directly inputting work piece diameter of trial cut finally pressing ENTER to generate the cutting tool compensation 4 If the Z direction value is to be input
57. call program G25 Skip processing G26 Block calls processing sub program call in the program G27 Endless loop Modality G30 Multiply factor cancels Modality G31 Multiply factor definition G47 Initiating short line smooth transition function G48 Cancel short line smooth transition function G53 Cancel zero bias G54 Absolute value zero bias G55 Relative value zero bias G56 Current point zero bias G71 Internal external diameter cutting compound cycle Nanjing Washing CNC System User Manual G72 End surface cutting compound cycle G73 High speed deep hole processing cycle G74 Return to reference point mechanical origin G75 Return to the presetting cutter point G76 Return to the program zero from the current position G78 Fine boring cycle G81 Center hole drilling cycle G82 Center hole drilling cycle with pause G85 English system rigidity threading cycle G86 Boring cycle auto return G87 Counter boring cycle Modality G90 Absolute value mode programming Modality G91 Increased value mode programming G92 Setting up program zero G96 Constant linear speed cutting G97 Cancel constant linear speed cutting G98 Cancel feed of each rotation G99 Setting feed of each rotation P Parameter assignment Note The modality maintains valid after this G function is programmed until superseded by another modality function of the same quality Now the G functions above will be elaborated 2 2 1 G00 Fast locating Format
58. completed by G00 instruction and the G00 instruction can t be included within B gt C7 gt D 3 The Z direction movement amount shouldn t be in the AB block X direction movement amount is equal to X direction movement total of B CD 14 Nanjing Washing CNC System User Manual A no Q Qa _ D XZ X H Z R X Z D Oa D Figure 2 Symbols of X and Z under G71 compound cycle 2 2 22 G72 End surface cutting compound cycle Format G72IKNXZF Description The fine machining path of rough machining and fine machining showed in the instruction execution figure 3 is the track of AB C D Among them I cutting depth cutting amount for each time the symbol isn t added when specified and the direction is determined by vector AB K Retract amount for each time the symbol isn t added when specified and the directions of X and Z are respectively determined by X X direction fine machining allowance and Z Z direction rough machining allowance N Fine machining block number X X direction fine machining allowance Z Z direction fine machining allowance F The F in the G72 programming is valid at the time of rough machining and the F in the fine machining block is valid at the time of fine machining Under G72 cutting cycle the cutting feed direction parallels to X axis and the symbols of X and Z are showed as Figure 4 signifies movement along axis positive direction and signifies movement a
59. cursor to the user s required program line rapidly Note 1 If any character is not input or all the characters in the old program are deleted when editing new program this program won t be saved which is equal to be deleted 2 Abnormally quitting edit mode is strictly prohibited else part of the program even the whole program will be corrupted these abnormal program quitting conditions include A Pressing reset key when editing shutdown or instant power down of power grid B gt If one large size program is edited the system will probably access edit page after waiting for a moment Part of or whole program will be corrupted if the conditions above occur when waiting If this condition occurs this system won t guaranty completeness of program If you want to quit edit mode pressing certain primary function key and the system will be switched to other primary function status The system will automatically save the user s edited program after processing before quitting and the program will be recorded in the directory which is reflected in the program tab 3 4 3 Copy delete and program status The three sub functions under PRGRM are principally used for changing the program integral status 48 Nanjing Washing CNC System User Manual 3 4 3 1 Copy F3 It will copy certain program to another program Pressing PRGRM program to access program management then pressing F3 to display Copy and simultaneously cursor appear
60. cutting tool requires stopping on one of two end surfaces before processing starts After processing completes the cutting tool stops at the programming end point Example 1 The end surface cycle which taper has steps and the cutting tool can stop at A or B position and starts from A position at the beginning G90 G82 X30 Z100 R10 I 1 K 0 2 F200 Absolute value mode G91 G82 X 10 Z 5 R10 1 1 K 0 2 F200 Increment mode Processing course D G01 and Z direction feed two times of I the first cutting is I and the final cutting is I K fine turning G1 and X direction feed to the end point implementing depth cutting G01 two axes interpolation cutting to the other end surface G01 and Z direction retract I to safety position and the auxiliary section smoothness process is implemented simultaneously 22 Nanjing Washing CNC System User Manual G00 and X direction retract to start point 9 G00 and Z direction fast feed to I position off from work piece surface and I is preserved to implement the next step cutting processing If the processing completes G01 will feed to end point and stop else it ll repeated to Starting from B position G90 G82 X20 Z105 R 10 I 1 K 0 2 F200 Absolute value mode G91 G82 X 20 Z5 R 10 I i K 0 2 F200 Increment mode Processing course G00 and Z direction fast feed to A position G01 and Z direction feed two times of I the first cutting is I and the fina
61. d as the start point for programming Example i N0010 G91 G92 X20 Z85 N0020 G01 X20 Z 10 F100 N0030 Z 20 N0040 X20 Z 15 F100 N0050 M02 T AQ 5 20 JE Illus 2 26 2 2 35 G92 Setting work piece coordinate system Format G92 X_Z_ Description 1 G92 only changes the current displayed coordinate value of system and the coordinate axes require no shift to set coordinate origin 2 The effect of G92 is to change the displayed tool nose coordinate into the set value 3 The X and Z following G92 can be compiled respectively and can also be compiled wholly 27 Nanjing Washing CNC System User Manual 2 2 36 G96 Constant linear speed cutting Format G96 Description 1 The constant linear speed cutting only be suitable for system with analogue output which controls infinitely variable speeds of spindle 2 When G96 is implemented CNC regards the cutting speed of this time as the benchmark and the spindle rotating speed will be regulated in linear according to whether it s feed or retracting in X direction 3 When spindle rotating speed reaches rated maximal rotating speed of system the continuous feed is implemented in X direction and the spindle rotating speed no longer changes 4 G96 is canceled by instructions such as G97 M05 M02 and so on 5 Because the spindle frequency converter has time setting of increase decrease speed so when G96 takes effect the shorter the inc
62. d to set work piece zero which makes it coincide with programming zero L Inputting rough length D1 Inputting rough external diameter 55 Nanjing Washing CNC System User Manual D2 Inputting rough internal diameter First the cursor flashes after L and user can input L value which the scope is 0 001 9999 999 mm Its input error can be modified with F1 to move cursor and it s valid by pressing Enter after input completes At the same time the cursor moves to D1 and inputs rough external diameter value and it s valid after pressing ENTER inputting the rough internal diameter D2 If it s right after pressing ENTER the screen will display another image as follows which is the frame of image The system always sets the whole rough within scope of 300X200 the whole screen is 320X240 Accordingly towards to the same program the bigger L and D are the smaller the figure is X 1234 567 Z 0023 764 N0010X100Y20F300 First region Third region Second region First region It s used to display current processing program segment Second region It s used to display pixel number for each movement of supposed cutting tool Third region F key function note Fourth region It s for screen figure display and the processing track can only be displayed in this region the exceeding segment can t be displayed There is one vertical line in the right lower part of figure display region and upper end of it signifi
63. e Undefined This file can t be used owing to disorder of the file internal addresses The file directory is damaged The arc start point doesn t conform to end point Undefined When the optional segment starts the corresponding segment number is not found Emergency stop alarm The cutting tool compensation number isn t checked There is key pressed when starting up Thread is too short to reduce speed The thread acceleration is wrong or the length of thread is too short to increase and decrease speed The illegal processing data is found CNC internal error The length of thread is too short to raise speed measurement has error Without this I O port The file is read from electronic disk with error That too many data is sent from serial port causes insufficient memory The file of system parameter can t be read from electronic disk please format electronic disk and recover the factory default value of four parameter tables 75 Nanjing Washing CNC System User Manual Appendix Three Programming Example Example One The following elements are given with the figure Material Brass Rough Forging single side allowance is about Imm Thread is the metric system straight thread and the thread pitch is 1 5 mm 1 cutting tool Inner bore cutting tool 2 cutting tool groved cutter the groove width of cutting tool is 3mm 3 cutting tool Screwer The start point of cutting tool is X100 Z50 Z
64. e cutting tool compensation number exceeds the scope above caused by disordered memory or it s not exact the cutting tool compensation number can be specified artificially with M24 but at this time the CNC actual coordinate is probably different from displayed coordinate and the re centering CNC coordinate is required Note If the parameter is set for electro holder 057 parameter 0 while CNC system isn t connected with the electro holder or is wrongly connected then the system will appear error 06 34 Nanjing Washing CNC System User Manual 2 4 3 3 Cutting tool compensation table The physical meaning of cutting tool compensation table is the difference of tool nose among various tools In order to decrease memory capacitance the general cutting tool compensation table only memorizes coordinates in X and Z directions relative to one fixed benchmark of every tool then at the time of cutting tool compensation according to different difference of the current tool and the previous one relative to this fixed benchmark which the offset between the two tools can be acquired that is the cutting tool compensation table doesn t memorize the cutting tool compensation value and the cutting tool compensation value can be acquired through calculation at the time of tool change 31DT has 10 cutting tool parameter addresses in total namely from T01 T10 Under PARAM status 10 cutting tool parameters are displayed in the screen by pressing n key
65. e exchange servo is as the executing component the mechanical type two way or three way travel switch should be equipped which can cut off the power supply control circuit of main circuit forcedly when the soft limit doesn t work see emergency stop Towards general three way switch One way is switched in the strong power control circuit one way is switched in the limit input of system and the second way is as the coarse positioning signal of returning to machine tool zero Owing to that the action of proximity switch can t directly cut off the control circuit so it s not recommended to use inductive type proximity switch as the limit switch if it must be used the proximity switch with OC port output of NPN type should be selected 39 Nanjing Washing CNC System User Manual 3 1 3 Soft limit The system offers internal timing examination function to implement real time monitoring of system coordinate whether it exceeds the interval set artificially once it s exceeded the operation should be stopped and switched to manual mode with 407 alarm this course is composed of a series of reference system 1 Whether the machine tool coordinate SCOR 1 reference point or the working coordinate SCOR 0 big coordinate is as the benchmark of soft limit coordinate is determined by the SCOR digit of 097 digit parameter 2 Whether the soft limit function is valid after returning to machine tool reference point SNZ 0 or needn t returning to
66. e manually operated 3 5 3 Return to machine tool zero Under OPERT Process function pressing F5 the operating mode will become returning to machine tool machine tool zero mode and three words of machine tool zero will appear after Operation Cycle start will be pressed and the selected axis will return to zero in the postive direction after pressing F4 to type in the zero returning axes X and Z After pressing reference point the system will return to zero according to the principle of X axis first then Z axis In the continual repeated processing in order to eliminate accumulated error it is recommended that zero returning be implemented once at intervals It is recommended that zero should also be returned once after starting up each time which makes system have one absolute reference benchmark simultaneously eliminates position shift of various coordinate axes for shutdown last time 3 5 4 Hand wheel hand operated impulse generator Towards to lathe control system hand wheel can control machine tool s rectilinear movement in directions of X or Z Hand wheel sets up three speed gears multiply factors for 53 Nanjing Washing CNC System User Manual various requirement which are respectively X1 X10 and X100 Switch can be implements among speed gears and the minimum control precision is identical with system control one while the maximal control speed is 100 times than the pulse equivalent Hand whee
67. e noted by the system and waits for input again 4 After the input is right the memorizer can be Cleaned with F2 F4 4 10 1 Clear memory After 4 10 operation is completed pressing F2 clear memory to clear system data region and returning to initial state of starting up The operation of clearing memory should be used if the conditions below occur The abnormal conditions during the system operation such as system down system disorder owing to external interference disorder of display and so on 4 10 2 Format After 4 10 operation is completed pressing F3 Format to format electronic disk clear user programs and all system parameters When the user program is error and disorder of file or file directory occurs the electronic disk can be deleted through formatting The user should implement this function with caution for preventing losing important programs 4 10 3 Password setup After 4 10 operation is completed pressing F4 password setup The password can be set by user himself when pressing F4 to change password the new password should be input 71 Nanjing Washing CNC System User Manual first then the system notes to input it again If they are identical the system will accept the new password The system password of factory set is XZ 0012 Then user can implement other operations again various parameters required for machine tool operation should be input first In order to prevent losing important
68. e oues 54 3 5 06 MDL operating mode cvccecendncscvescescecsedeccuuvedescerhescssecsadtecsoceesndecdutbedesceveqsscenee 54 3 6 Figure display PUNCtlON ceiicciccseccccatsdeccctedesscccvesecdcepdesecacsesacsveadesectevaceussedcobdedecsevesuceseacaddecsoes 54 3 6 1 Image access sequence of figure display function eeeeeeeeeeeeeeres 55 3 6 2 Image selection of figure display function eere e ceres creen eene eren netten 55 Chapter Four Parameter fumction ccccccssssssssssecssssrscsscrssensssecsseccssarscssvarsscnssssecsseccssssesenares 57 4 1 3IDT parameter System eeu eret euo ei e re eura ere nene epa Voc avara e ea ss Sss ss Esr s ios 57 4 2 Basic conception of parameter 4 cere eee e eee ee eee ee eee en eee en esten ttn etta setas etse sten eseena ses 58 4 2 1 Time constant of speed increase and decrease eee eere eene 58 42 2 Acceleration ioe a 58 4 2 3 Electronic pear ratio sesoses s aeee oases eese e aeS ENDES EN Daa SENi EENAA ESSEE ESS 58 4 2 4 Parameter PassWord icsessscicdecscscecvcssavedatedscscvcscsvedecssenecessvevecuussensteccestsetevensdeuscsvvcsveves 59 4 3 System parameter P parameter 1e eeee seen eese eene ette eee n estote netta setas etse stone seta se tnsen 59 4 3 1 Meaning of P parameter ccssscssssssescscncsssarsccscarsnscsscnssssscsveacssnrscsevscsscarsseecssensssanse 60 LE Btniduwiclitilcem c
69. e setas etna seins 45 3 3 3 Selection of sub function eese eere eee eene eene ense en stesse enata seta sees s tense essen sena 45 3 4 PRGRM Program primary function eese eee ee eerte esee nentes etna sena sets ese ene seno sos 46 3 4 1 Input principle of program name ee eeeee seen eee eene ette nets eet tne stone setas tnasetnn 46 3 42 Program edit i eerneeice e toetereteoeee ere pee pote tene ve Pa peepego ea See eee on pe po eaa ee vp To sebaevanteceeserces 47 3 4 3 Copy delete and program status eee eee eee ecce eene ette nettes ette netta estne seins tnaue 48 3 4 4 Rename input and output function eese eee e eerte eee ee e eee n nettes ette s etta setas etna 49 E MS ee 50 3 5 OPERT Process primary function eee ee esee eee eerte e eee eee eene tassa setae stone setas tnsen 51 3 5 1 Auto cycle including start processing in the position of any block number 52 3 5 2 Manual operation of machine tool eene eee ee eerte eerte eene e seen netta setas etus 52 3 5 3 Return to machine tool zero eese eee eene eee ee seen nete ates ates setas tense enses senses senos 53 3 5 4 Hand wheel hand operated impulse generator eeeeeeeee eerte ee etnee 53 3 5 5 System status Setup eeeeeoeteevoc ec exeo eesteenoc cese epu exeo ue ene ee pa eu snes auia eee eene e
70. ection When J value isn t compiled the de trailing will be implemented after Z direction moves to approach end point 6 Normally the de trailing length is signified with value after I in X direction of G86 when D is compiled it signifies that the thread feed is screw in Please note when using screw in function When feed is started the tool nose must be in the distance greater than or equal to D value outside of work piece surface else the cutting tool will be bumped the screw in distance is equal to de trailing one X direction 7 According to I J and D programming there are four combinations a G86 Z 100 R2 K3 L10 I5 common thread processing b G86 Z 100 R2 K3 L10 I5 J6 de trail with 6mm from Z direction end point c G86 Z 100 R2 K3 L10 DS screw in cut in but without equal thread pitch de trailing d G86 Z 100 R2 K3 L10 D5 J screw in and screw out The angles of A and B are different according to various thread processing speed Kx n rotating speed x thread pitch screw in and screw out speed in X direction 16 parameter and 16 parameter lt 59 parameter screw in and screw out time constant in X direction 49 parameter and Z direction time constant 400 parameter when the thread is processed Illus 2 25 25 Nanjing Washing CNC System User Manual 8 The 16 parameter signifies the screw in and screw out speed in X direction and the general programming value is from 2000 mm min to 3000 mm min H
71. ed SEN 1 The S function is disallowed to implement S1 S2 S3 and S4 to control the spindle 4 gear electrical shift 0 The S function is allowed to implement S1 S2 S3 and S4 to control the spindle 4 gear electrical shift DNCT 1 The data reception speed is II gear when DNC processes 0 The data reception speed is I gear when DNC processes Recommendation DNCS 1 When DNC starts it first sends XON character to the upper machine tool 0 DNC doesn t send XON character SIGN 1 The first line of numerical control program has no when DNC processes 0 The numerical control begins with when DNC processes XROT 1 The X direction is signified with circumference 0 360 degree 0 The X direction is signified with length YROT 1 The Y direction is signified with circumference 0 360 degree 0 The Y direction is signified with length ZROT 1 The Z direction is signified with circumference 0 360 degree 0 The Z direction is signified with length The factory set of 107 is 000000 114 JET ALRM DANS ZSRF YSRF XSRF JET 1 Special machine tool control the function is determined according to the special machine quality 0 General system control ALRM 1 Emergency stop M77 is output at limit the alarm lamp can be controlled 0 Don t output alarm signal DAVS 1 The spindle analogue selects 0 SV 0 The spindle analogue selects 0 10V XSRF 1 One swi
72. es the cutting tool center Because the system doesn t learn about movement direction and course of track so user must move small cross line to select one proper position in the screen where it stops which is the work piece coordinate point currently displayed F1 F2 F3 and F4 can be used to move vertical and the movement direction is the arrow one which is correspondent to F1 F4 in the screen While pressing F function key every time the movement amount of vertical can be one pixel five pixels How to select movement amount is determined by F5 Two digits of 1 and 5 alternately appear in the second region of the screen with pressing F5 Therefore F5 can move the vertical center to the optional position of figure display area through F1 F4 Once vertical is in place the program will start execution with pressing Cycle start key The track starts from the upper end of vertical and the programming track is simulated according to program requirements However whether the machine tool operates d epends on drive power and simulation selection or online When program execution completes other primary function keys can be pressed to quit figure track display After simulation completes whether the program is right can be judged through figure If there is error pressing PRGRM Program primary function key to return to edit mode for program modification When the program modification completes the figure simulation will be imple
73. essing course D G01 feeds two times of I the first cutting is I and the final cutting is I K fine turning implementing GE EUR depth cutting G01 two axes interpolation cutting to the end point section and it will stop if processing completes G01 retracts I to safety position and the auxiliary section smoothness processing is implemented 930 a 1E TI HERE PP al simultaneously G00 retracts AZ to start point section G00 fast feeds to I position off from work piece surface and I is preserved to implement the next step b WTR cutting processing and repeated to 1 m R 2 14 j 20 Nanjing Washing CNC System User Manual Example 2 Non taper excircle the left cutting S Sn 1 is implemented G90 G81 X30 Z100 R30 L1 K 0 2 F200 Absolute value programming G91 G81 X 10 Z 50 R30 I 1 K 0 2 F200 n Increment programming Example 1 of processing course Example 3 Negative taper excircle the left cutting is implemented Taking into consideration of cutting amount of end point the cutting tool should maintain proper distance 2 6 from work piece at the start point G90 G81 X30 Z100 R40 L1 K 02 F200 Absolute value programming i G91 G81 X 30 Z 50 R40 I 1 K 0 2 F200 Increment programming Processing course D G01 feeds two times of I the first cutting is I and the final cutting is I K fine turning implementing depth l cutting PE G01 two axe
74. etting cutter point which is relative to 0 machine tool zero 10 Manual fast speed mm min 5000 11 Spindle reversing time delay second 1 12 Spindle braking time delay second 1 13 Spindle starting time delay second 1 14 M05 relay pulse output time delay second 1 15 Relay pulse output time delay M71 MS5 second 1 16 Screw in and screw out speed in the thread X direction see G86 5000 description for detailed information 17 Initial image 0 version 1 manufacturer description option 2 0 operating image 60 Parameter number Nanjing Washing CNC System User Manual Scope X axis presetting cutter point set value which is relative to work piece Factory set 18 coordinate g 19 X axis presetting cutter point set value which is relative to work piece 0 coordinate 20 Spindle pulse number per rotation 1200 21 M04 output 0 maintaining output 1 pulse output 0 22 0 M05 close S1 S2 S3 1 M05 doesn t close ST S2 S3 0 23 Percentage of unstable spindle speed the thread can be processed 5 when it s less than this value 24 Undetermined 0 25 The smoothing tool amount of the last cutting when processing 0 thread 0 without smoothing tool mm 0 26 Undetermined The segment number increments 0 99 are automatically generated 27 when editing program the segment number is not generated when it s 10 equal t
75. g F5 can select axes of X Y and Z 67 Nanjing Washing CNC System User Manual 4 5 1 The required caution problems of thread pitch error compensation 1 The password must be input and then modification can be implemented 2 The input value is point measurement error namely the compensation value which must be input to offset this error 3 Whether thread pitch errors of various axes implement compensate is determined by 012 digit parameters Zpce Ypce and Xpce 4 The dynamic compensation condition can set the REDP digit of 017 digit parameter as 1 and the compensation value in the operating process of various axes can be dynamically displayed on the operating interface 5 21DM system must first return to machine tool zero then the thread pitch compensation can be implemented 6 After returning to machine tool zero the small coordinate in the top right corner is displayed as XP 00000 000 YP 00000 00 ZP00000 000 require compensation and XP ZP coordinates must move to the negative direction 7 The thread pitch error compensation interval length and compensation point number of X direction and Z direction can be determined according to screw length screw precision and processing work piece size of them Every axis most compensates 150 points 52 53 56 and 57parameters 8 Using laser interferometer to check errors of every other distance 52 56 parameters along negative direction from machine tool zero in t
76. g error limit it has some minute time related with feed speed When servo following error is less than given value servo will send one angle specified stop signal XPSN YPSN and ZPSN to CNC system After the system completes certain segment program if this segment has G09 then CNC will check whether various axes have PSN signal input within a period of time and this time is set by 89 parameter If there is no signal when set time is exceeded CNC will give 57 alarm to continue operation 2 2 7 G20 Sub program call Format G20 N xx xxx Description 1 The first 2 digit after N is the program name of sub program which will be called and 2 digit is allowed The 3 digit after decimal signifies the cycle number of this call which can be from 1 to 255 2 The parameter in the sub program must be assigned definite numerical value by P when it s called by G20 3 This segment of program mustn t appear contents outside of the descriptions above 4 Various sub programs can repeat embedding call for 10 times but calling itself is prohibited Nanjing Washing CNC System User Manual 2 2 8 G22 Sub program definition Format G22 N xx Escription 1 The sub program name is initiated with N and two digits after N is the sub program name 2 G22 NXX mustn t be in the same segment with other instructions 3 G22 and G24 appear in pair which forms one complete sub program body 4 The parameter data in the sub program has
77. gram P01 XP0000 000 ZP0000 000 X 0 000 Operation Cutting tool 01 01 Manual Operation Feed 2000 1 00 Refrigeration Close tv rate e NIE RIETI F1 F2 F3 F4 FS The XP and ZP of first line are the coordinate values which are relative to machine tool zero The coordinate value which is displayed with big characters is the one that is relative to programming zero various functions notes of F function key are displayed in the bottom line and various states displayed with light background respectively indicate the operation mode 51 Nanjing Washing CNC System User Manual machine tool status some parameter values of manual operation such as manual speed spindle rotating speed and so on 3 5 1 Auto cycle including start processing in the position of any block number Auto cycle is corresponding to automatic mode of machine tool Auto will be displayed in the operation mode window after pressing F3 key then pressing Save Open program key The cursor appears and flashes after Program of the first line in the screen and user can input program name which is ready for operation in this position F1 is used to modify wrong typed characters when inputting program name the program name table in the middle of screen display existent program name program size and program attributes in the user program area The program name input is right and pressing ENTER which describes that system has prepared to execute the
78. he X axis or Z axis 2 4 5 Coordinate modification and regulation function Under manual automatic or pulse control status pressing PARAM parameter key to access the parameter interface and pressing F4 modification and regulation pressing to access the coordinate modification and regulation interface after pressing lt gt key to switch to the second page of the menu inputting modification and regulation value in X direction after pressing ENTER for confirmation then inputting modification and regulation value in Z direction After the modification and regulation of coordinate is completed the coordinate value including big coordinate and small coordinate displayed by the system immediately changes Note If all dimensions processed are bigger inputting positive value If they are smaller inputting negative value 38 Nanjing Washing CNC System User Manual Chapter Three System Operation Properly operating 31DT must master the operating methods and displayed meanings of all sorts of information of various functions The operational interface which is offered by numerical control system to users is as follows 1 Keyboard panel Receiving user s instructions to system and accordingly coordinating system internal status to implement entire system functions 2 Communication interface The communication can be implemented with any computer equipped with standard RS 232 serial interface 3 6 Inch LCD which can
79. he numerical control system controls various coordinate axes to regulate speed between two segments of lines Transiting from one segment of line to the next one under precondition of guarantying cutting linear speed unchanged which avoids uneven linear speed owing to raising speed and reducing speed of each short line accordingly reducing shake of machine tool and enhancing actual cutting speed and surface smoothness When G47 is valid only the two segments of lines must conform the following conditions can they transit automatically 1 Line length is less than 21 mm 2 The intersection angle of two lines is less than 20 degree 2 2 16 G48 Cancel G47 Format G48 Description G47 and G48 are the option function the numerical control system doesn t include this function unless it s especially specified 2 2 17 G53 Cancel zero bias Format G53 Description 1 After zero bias G53 function will restore the processing element programming zero to the initial one 2 G53 function will be effective after implementing zero bias function 2 2 18 G54 Absolute zero bias Format G54 X_Z_ Description 1 G54 function parallel moves programming origin to the specified X O Z coordinate position 12 Nanjing Washing CNC System User Manual 2 The three coordinates of X and Z can all parallel move it can also for one of coordinates to parallel move and the coordinates which aren t compiled don t parallel move 3 G
80. he three directions X and Z 9 Inputting the measured errors into the thread pitch error item in the parameter table 10 Setting the digit parameter 034 as XXXXX101 open reference point returning function and X signifies that this digit can be I 0 4 5 2 Thread pitch error compensation example Example The effective length of X screw rod is 300mm which totally compensates 100 points 524 parameter 300 100 3 53 parameter 100 lt 150 Utilizing laser interference to measure the thread pitch error returning to zero first which makes XP 0 Moving to 3mm position along X direction system display and moving to 2 974 with actual measurement which 1 thread pitch error is 0 006 Moving to 6mm position along X direction system display and moving to 6 003 with actual measurement which 2 thread pitch error is 40 003 Moving to 9mm position along X direction system display and moving to 9 007 with actual measurement which 3 thread pitch error is 40 007 Moving to 12mm position along X direction system display and moving to 11 990 with actual measurement which 4 thread pitch error is 0 010 Moving to 15mm position along X direction system display and moving to 14 998 with actual measurement which 5 thread pitch error is 0 002 Moving to 18mm position along X direction system display and moving to 17 991 with actual measurement which 6 thread pitch error is 0 009 Moving to 21mm p
81. ined to see whether there is obviously abnormal condition whether the power connection is not right whether the joint to the switch power comes off and it can be powered on after confirmation The system power source is the three core power plug which uses single phase 220V 50HZ A C with grounding 3 3 1 Starting up image and design When the system starts up it displays the image of starting up in which there are software version series and version number such as DT V 3 2 another line is the output serial number of this machine tool for instance 18 402 40 18 E Which machine tool is produced this time Total number of all machine tools produced this time Production plan in 2004 February Code of 3IDT 44 Nanjing Washing CNC System User Manual The serial number of each machine tool system is different if the same serial number is found please contact with the corporation for fear that it s pirate The logo of system can be designed by user himself and user can design one piece of image with dot matrix of 320x240 and downloads it into the system through serial communications mode the specific processes are as follows 1 Using input function in the PRGRM primary function to set the filename as 000 and the imported file is the image file of starting up 2 Utilizing the special image transfer soft ware of our corporation to transfer the designed image 3 If you don t want to display software vers
82. int from current position feed point 19 2 2 27 G77 Recovering current coordinate system eese eee e ette eee ee netten 20 2 2 28 G81 Excircle inner circle fixed cycle eee eee eren ette netten 20 2 2 29 G82 End surface fixed cycle eee eere eee eee e ette seen set ene et ete seta setas tos 22 2 2 30 G85 Threadine CY Cle eerte Letra eene eene oS Enna aue PE Ne pe a eS eH Tae EE PE Neh ea va Era a PEN EN n e Ssss 24 2 2 31 G86 Metric thread cycle sesssesssssssosssssosssssssoossoossosssoosrosssoosscssssosssssssssoossossssossoss 24 2 2 32 G87 English system thread cycle 4 eee eee ee eerte eee ee eee ee netten eene sene nenas 27 2 2 33 G90 Programming with absolute value mode e eere eerte eerte enne 27 2 2 34 G91 Programming with incremental mode eeeeeeeee eee ee nete nete nete atnus 27 2 2 35 G92 Setting work piece coordinate system eere eeeee eee e eee eene etes etae etn 27 2 2 36 G96 Constant linear speed cutting eee eee ee eee eren seen seen netten etna netu 28 2 2 37 G97 Cancel constant linear speed cutting e eeeee eee ee eee eee eren entente 28 2 2 38 G98 Cancel feed of each rotation eee ee ee eee eese eese ee seen sten ttn stas tnato 28 2 2 39 G99 Setting feed of each
83. ion or serial number please set the 177 system parameter as 1 4 When 177 is 0 the user should check whether serial number is repeated 5 Please consult the corporation for related detailed process 3 3 2 Selection of primary function After starting up only the primary function selection is valid if user wants to use some one specific function it can be implemented only after accessing relevant primary function Accordingly the user must press the selection key of primary function which includes the specific function subfunction first of all and selects desirable function after accessing corresponding primary function status The operating interface of this system adopts note mode as far as possible which makes user learn about whether the current operation is offered by the system Simultaneously the principle of key press operation is Implementing user s desirable functions with fewest key press numbers Gengerally in order to implement some one specific function operation the user simply presses the key three times 1 Pressing the primary function key the system will quit original status and and access new primary function status 2 Pressing sub function selection key it s one of F1 F5 in general and setting subfunction valid 3 Under subfunction status pressing specific operating key to implement specific function For instance the current system is in the editing mode and is editing processing program the use
84. is group of compound cycle instructions are operated then the system will automatically calculate rough machining path and cycle number 2 2 24 G74 Returning to reference point mechanical origin Format G74 X_Z_ Description 1 Other contents in this segment are prohibited 2 The coordinates following G74 will return to zero in turn with X Z sequence 3 The reference point switch must be confirmed to be installed on the machine tool before using G74 2 2 25 G75 Returning to presetting cutter point from reference point Format G75 X_Z_ Description 1 Other contents in this segment are prohibited 2 After G75 instruction completes the small coordinates XP and ZP return to position set by 8 and 9 parameters 3 After G75 completes the big coordinate will be automatically set as 187 and 19 specified values 2 2 26 G76 Returning to processing start point from current position feed point Format G76 X_Z_ Description 1 Other contents in this segment are prohibited 2 The coordinate which is relative to origin on the machine tool is displayed with big 19 Nanjing Washing CNC System User Manual coordinate and the coordinate of certain position can be memorized in 187 and 197 parameters This function can return to this position from machine tool optional position and the speed is same as G00 3 The processing start point 187 and 197 is set referring to processing origin like chuck cen
85. l cutting is I K fine turning implementing length cutting G01 and X direction feed to the end point implementing depth cutting G01 two axes interpolation cutting to the other end surface Illus 2 19 G01 and Z direction retract I to safety position and the auxiliary section smoothness processing is implemented simultaneously If the processing completes G01 will feed to end point and stop else G00 and X direction retract to start point G00 and Z direction fast feed to I position off from work piece surface and I is preserved to implement the next step cutting processing Repeated to Example2 The end surface cycle which taper has no steps Illus 2 20 and the cutting tool can stop at A or B position and starts from A position at the beginning G90 G82 X20 Z100 RO I 1 K 0 2 F200 Absolute value mode G91 G82 X 10 Z 10 RO 1I 1 K 0 2 F200 Increment mode Processing course It s similar to example 1 A and the difference is without the S step Starting from B position G90 G82 X20 Z0 RO I 1 K 0 2 F200 Absolute value mode G91 G82 X 10 Z10 RO I 1 K 0 2 F200 Increment mode Processing course It s similar to example 1 B and the difference is without the 4 step Example 3 The end surface cycle which taper has no steps the cutting tool can stop at A or B position and starts from A position at the beginning G90 G82 X40 Z100 R20 I 1 K 0 2 F200 Absolute value mode
86. l is principally designed for fast rectilinear movement presetting cutter etc of machine tool Hand wheel operation is as follows 1 Pressing OPERT primary function key in the main menu to access machine tool operating interface 2 Pressing F1 to access hand wheel operating mode 3 Pressing F4 key to select movement coordinate axis simultaneously the selected coordinate axes are displayed under Operation prompt in the screen 4 Pressing S29 key to select hand wheel multiply factor simultaneously the selected multiply factor is displayed under Operation prompt in the screen 5 Turning hand wheel and the machine tool makes response movement 6 To quit hand wheel status either F function key F1 F5 can be pressed 3 5 5 System status setup Under Auto sub function of OPERT Process there are two statuses setting up related with machine tool numerical control system 1 Single segment Pressing F1 key for toggle When it s valid single segment is displayed after Operation The system will stop to wait for user to input with executing block of each time Pressing Cycle start key for each the system will execute one block downwards If the Cycle cancel key is pressed when waiting this cycle will be cancelled and can t be recovered The single segment points to every movement related with machine tool control not mere one line of the program For instance If spindle setup and coordina
87. l parameter table numerical value in the P parameter four digits are required before decimal and three digits after decimal Transition processing doesn t find completion segment number There are too many characters or illegal characters appear in the line Undefined Transition processing nestification has error Parameter exceeds scope The radius of arc track is less than the cutting tool s There have been M02 and M30 when compiling MOO What s called by G20 is not sub program Data is too big The thread pitch is too big or too small or thread lacks Z and K The object segment number of cycle processing has error or is not found Undefined Transition processing shouldn t appear in the last line and should add M02 The arc lacks parameter 74 28 29 30 3l 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ol 53 55 66 71 72 73 74 76 80 84 85 86 Nanjing Washing CNC System User Manual Undefined Undefined Undefined Undefined File is not found or file has error File has been damaged Memory is full Evolution data is too big Undefined Undefined Undefined Two parameters after G and M have errors Limit Drive alarm General alarm Undefined The time is too long for holder positioning Definition of filename has error or the communication has error when implementing input output The memory of system is not enough to edit this fil
88. l parameters will be saved in the electronic disk 2 Olaa tool change The tool will be changed to the next in turn by the system for each pressing EME A D Spindle positive clockwise rotation Ht E IZM pindle reversion counterclockwise rotation H sate Spindle stop 43 Nanjing Washing CNC System User Manual Cooling fluid open close switched by pressing e p Return to prsetting cutter point It s equivalent to G76 and at the begining off the work piece useing 187 and 19 to set one coordinate value as the processing start point after processing completes every time the holder return to this point which can implement measurement and clamp work piece again and so on i554 Return to reference point fast G74 shortcut key of function G74 X Z RESET AZ T Reset Computer hardware system resets and accesses initial status after starting up 4 ACAN Huh J CAN CAN Cancel cancel the displayed error code ALT ALT When certain parameter such as P parameter digit parameter and thread pitch compensation parameter can t be fully displayed in one screen pressing ALT key to switch among screens Note The system keyboard has several diplex keys and 31DT CNC system can automatically judge the meaning of keys the user requires no switching operation of key definition 3 3 Starting up Before the first starting up the system appearance should be exam
89. le 03 parameter 5000 04 parameter 1500 When it s at the high gear the H L input must be switched off with the 24V earth Vs Vref s 034 parameter Vref Maximal analog voltage 10V Vs The analog voltage actually output by CNC 03 parameter High gear top limit 04 parameter Low gear top limit When it s at the low gear the H L input must be switched on with the 24V earth Vs Vref s 042 parameter Vref Maximal analog voltage 10V Vs The analog voltage actually output by CNC 03 parameter High gear top limit 04 parameter Low gear top limit 33 Nanjing Washing CNC System User Manual 2 4 2 2 The spindle operation controlled by digital quantity The instructions are S1 S2 and S3 suitable for multi speed motor and used with M03 M04 and M05 M03 M04 and M05 determine the positive rotation of spindle 2 4 3 T Cutting tool function The cutting tool function is also called T function used to select cutting tools and the use of electro holder or tool array are determined by 052 parameter 0 electro holder 1tool array The cutting tool function is signified by T and following digital block Towards the electro holder the revolving holder is controlled to implement tool change and change corresponding cutting tool number and towards tool array the numbers are all 0 only the cutting tool compensation number is changed 2 4 3 1 T function format Tnm n cutting tool number 1 8 m cu
90. ll remains the original value For instance N0010 P2 1 P5 55 P7 200 N0020 GP2 XP5 Z100 FP7 N0030 F2 40 P5 160 N0040 XP2 ZP5 N0050 M02 When the program is executed it s identical with N0020 G1 X55 Z100 F200 N0040 X40 Z160 N0050 M02 2 2 Preparative function G function The preparative function is programmed with G following two digits it s also called F instruction which is used to define geometry and CNC operating status of track The functions of any numerical control device all include fundamental functions and optional functions The fundamental functions are requisite for system and the optional functions are for user to select according to machine tool features and applications It s recommended to program after understanding the machine specifications first The machine tool can configure control function according to numerical control system namely the machine tool may not implement all functions of numerical control system The whole G functions of 31DR series numerical control system are as follows Modality G00 Fast locating Modality G01 Line interpolation Modality G02 Clockwise circular interpolation or spiral interpolation Modality G03 Anti clockwise circular interpolation or spiral interpolation G04 Time delay G09 Servo angle specified stop and positioning G20 Independent sub program call G22 Independent of program definition G24 Independent of program definition completion and returning to
91. long axis negative direction Figure 3 End surface cutting compound cycle G72 15 Nanjing Washing CNC System User Manual Note 1 N fine machining block number must be greater than 1 2 AD B must be completed by G00 instruction and the G00 instruction can t be included within B2 C2D 3 The X direction movement amount shouldn t be in the AB block Z direction movement amount is equal to Z direction movement total of B C D o XZ uU D Do Figure 4 The symbols of X and Z under G72 end surface cutting compound cycle 2 2 23 G73 Sealed contour compound cycle Format G73LK NLX ZF Description The cutting tool track showed in Figure 5 is the closed loop when this function is of cutting work and the cutting tool feeds gradually which makes the closed cutting loop gradually approach to the element final shape and finally cut into the shape of work piece and its fine machining path is the track of ADB gt CD This instruction can implement highly efficient cutting to the preliminary finished work piece in the rough machining such as casting forging and so on Among others I The rough machining total allowance in the X direction K The rough machining total allowance in the Z direction N Fine machining block number L Rough cutting number X X direction fine machining allowance Z Z direction fine machining allowance F The F in the G73 programming is valid
92. mented again until it s right After simulation completes the figure track display can only be quitted 56 Nanjing Washing CNC System User Manual Chapter Four Parameter function 4 1 31DT parameter system The PARAM Parameter primary functions are the parameter setting and status display of machine tool numerical control system As one of numerical control systems there are some parameters which should be set up by users Under the PARAM Parameter primary function the available sub functions can also be selected by F1 F5 keys and the PARAM Parameter image accessed is as follows Parameter setting X 0000 000 Z 0000 000 F1 F2 F3 F4 F5 Pressing lt gt key to select another image Parameter setting X 0000 000 Z 0000 000 F1 F2 F3 F4 F5 System zero setting 31DM parameters can be divided into three categories below 1 Examination category Testing whether the external input port status spindle rotating 57 Nanjing Washing CNC System User Manual speed and spindle encoder operate normally 2 System setup category Initializing system setting up password and formating electronic disk and so on 3 Parameter system D System parameter P parameter 004 894 Cutting tool compensation parameter 10 cutting tool numbers 8 Thread pitch error compensation 150 points axis three axes of X Y and Z in total 2 Digit parameter 8 bit parameters of 30 and 240 statuses Starting up
93. nce of various cutting tool lengths the displayed coordinate point is also different contacting to fixed point The numerical control system respectively memorizes coordinate values contacted by various cutting tool These different coordinate values of each other actually include the length difference information between the two cutting tools Many methods can be utilized to generate cutting tool compensation value and 31DT adopts the method that inputting work piece size after one cut which is equivalent to regard the presetting cutter as benchmark It can calculate cutting tool compensation values of excircle internal hole and so on moreover eliminate errors brought about by process system elastic deformation Nanjing Washing CNC System User Manual Chapter Two Programming 2 1 Block format The block format means the the wirtten rules of block it includes the function which will be implemtented by numerically controlled machine tool and parameters that are required implementing this function One part processing program is composed of several blocks and each block is composed of various functions the usual function words which are used by lathe numerical control system are as follows Function Address Scope Meaning Program number P N 01 99 Specifying program number and sub program number pegnencesenmene N 0000 9999 Program segment number number Preparatory G 00 99 Instruction movement mode f
94. ncy stop 20 input port start 21 input port limit X input port H L 23 input port emergency stop 24 input port ZPSN Among them 19 input port can only be used for emergency stop 2 3 3 M02 Program completion Format M02 29 Nanjing Washing CNC System User Manual Description 1 M02 completes processing program 2 If the SLOF digit of digit parameter 0072 is equal to 0 M02 will close spindle M05 and refrigeration M09 and this cycle is completed 3 If the SLOF digit of digit parameter 00 is equal to 1 M02 won t close spindle and refrigeration and only this cycle is completed 2 3 4 M03 Spindle positive rotation Format M03 Description 1 The M03 instruction is in the program first the spindle positive rotation relay will be switched on then S function outputs analogue and control spindle to rotate in clockwise direction It controls 1 relay M03 movement sequence Whether it reverses Open positive rotation Time delay 13 amp parameter Time delay 11 parameter 2 If 217 parameter is equal to 0 M03 will maintain output 3 If 212 parameter is equal to 1 M03 is the pulse output and pulse delay is determined by 15 parameter 2 3 5 M04 Spindle reversion Format M04 Description 1 Controlling 2 relay and starting spindle reversion M04 movement sequence is Whether it s positive rotation Time delay 13 parameter Time delay 11 parameter 2
95. nest n esteso sena sen 39 31 1 Emergency SD ee cdedceesasssoncscdeccsusavedeacseieceuutevecsavsetedeveceiesose etesevaseivegadsetedsuatede 39 SA ASENIBIMUTSEEISDSPSCEISUME UI LEIEIR 39 SAS SO MIMI poU 40 3 1 4 Clearance COMPEMNSALION csccccecsccsssrsssscsvecsssscncsscnrssencsvecsssavacssonsssescsvecsssanscseoares 40 Nanjing Washing CNC System User Manual 3 1 5 Screw thread pitch compensation eere e eerie eene ee ee eee en entes ese te setas etna s etun 40 3 2 Operating keyboard of numerical control system eee eeeee eerte eene ee eene eene nena aen 41 3 2 1 Primary function Key eee ente tn reno eoe enu kon uote ou au nea te vana ead eaa e nn Eam 42 3 2 2 Edit character Key so cccccvinceccantecesctesedecsucteivececsncecceatesescersecs cousvsspssevsctscocedecescevsetestact sce 42 3 2 3 Coordinate feed and feed parameter setting of manually operating machine tool UU 42 3 2 4 Soft definition key F1 F5 ssssscsssscsosssssssssssssescascsosssosssssessssasssonsesonssseesssesenes 42 NA XIII pM T E T T R AN 42 3 3 Star ng up c6 eesete centered Senes eine epe een pev aa va nep ea saudi eigdceusesdtgatcudievadcnesets condi tindsuetececeateccuateds 44 3 3 1 Starting up image and design 4 Lecce eese ette eee ee sette netten etse stones etas tna seen 44 3 3 2 Selection of primary function 4 eee eee esee eene eee e e eene ette netta esteso ston
96. ngth along its corresponding direction by every coordinate feed key pressing This length is set by ISET 3 Settings for manual operation parameter They are only valid in manual and pulse control modes Pressing FSET key Settings for coordinate movement speed in manual or pulse control modes letter key region FSET key and the cursor will appear after word Feed with pressing FSET then the digits can be input which signify millimeters for feed per minute It ll be valid after pressing ENTER The scope of this speed is 1 6000mm min when it s 0 001mm pulse equivalent if input has error the system will automatically set for 50 00mm min F1 key can be used to modify the wrongly typed digits Pressing I set key Setting up pulse control stepping amount I set key in the letter key region it s only valid in the pulse control which is used to set up stepping amount Pressing I set and inputting stepping amount after cursor 0 001 65 5mm Pressing S set key Setting up speed of spindle Sset key in letter key region and inputting digits in the cursor position which signifies speed of spindle It ll valid after pressing ENTER The system outputs the analogue which is correspondent to rotating speed The top limit of this rotating speed is set with 3 parameter and 4 parameter 4 Spindle and refrigeration In the modes of manual hand wheel and pulse control both spindle and refrigeration can b
97. o 0 28 The low limit of spindle rotating speed in the time of constant linear 100 speed cutting 29 The brightness value of LCD when starting up 10 32 14 30 The time constant of X direction when it s G00 millisecond 400 31 The time constant of Y direction when it s G00 millisecond 400 32 The time constant of Z direction when it s G00 millisecond 400 33 The electronic gear multiply factor of X direction 1 34 The electronic gear percentage of X direction 1 35 The electronic gear multiply factor of Y direction 1 36 The electronic gear percentage of Y direction 1 37 The electronic gear multiply factor of Z direction 1 38 The electronic gear percentage of Z direction 1 39 The time constant of various axes when cutting operates millisecond 400 40 The time constant of Z axis when processing thread millisecond 400 41 Speed top limit when Cutting 5000 42 Speed low limit when G00 is fast 0 43 Looking for slow speed of zero signal when returning reference point 50 44 The time constant of each axis of soft limit to stop 200 45 Speed top limit for thread cutting Z direction 3000 46 Input signal de jitter number 3 47 Time delay between electro holder positive and reverse rotation 0 1 48 Sped top limit of clearance compensation time constant is same as 2000 49 The time constant of X direction screw in and screw out de trailing 400 when processing thread 50 Reverse clearance value of Y axis 0 61 Nanjing Washing CNC System User Manual
98. of Z axis reference point coarse 12 positioning signal 69 The input terminal number of X axis reference point fine positioning 9 signal 70 The input terminal number of Y axis reference point fine positioning 15 signal 71 The input terminal number of Z axis reference point fine positioning 18 signal 72 Positive direction limit input terminal number 17 73 Negative direction limit input terminal number 21 74 External general alarm input terminal number 8 75 Drive alarm input terminal number 16 76 Spindle high low speed input terminal number 22 77 The spindle 3 gear rotating speed top limit rpm used for frequency 1000 converter analogue output 78 The spindle 4 gear rotating speed top limit rpm used for frequency 1000 converter analogue output 62 Nanjing Washing CNC System User Manual Parameter nudiber Scope Factory set The top limit for holder positive rotation 447 alarm occurs at the start 79 of holder positive rotation 4 seconds 80 Position ring constant m 0 50 0 81 Position ring constant KP 5 100 80 82 Position ring constant KD 0 50 0 do yu 7 0 5 83 The spindle reversion time delay at the time of rigidity threading millisecond 84 Self specified thread tooth type angle I used for single side thread 0 5 cutting millimeter Self specified thread tooth type angle II used for single side thread 85 0 cutting 86 Speed for each axis of returning to machine tool zero 3000
99. ol operating towards various operating functions they can be implemented in the sub functions under this function 3 PARAM Parameter It s the parameter setting which is used to set various parameters related with machine tool or numerical control system 3 2 2 Edit character key It s primarily used to input ISO code and parameter values of various coordinates of processing program G MF ST X ZP IK RN LOD J 012 3 4 5 6 7 8 9are numetric keys Tilted number key L Space key Minus key o Decimal key EBTER TERR Is the enter key which moves cursor to the head of next line when editting while in other status it indicates that the input ends here Equal sign key for parameter assignment 3 2 3 Coordinate feed and feed parameter setting of manually operating machine tool The symbols of 4Z Z X A and X V respectively signify manual feed along Z negative direction Z positive direction Xnegative direction and X positive direction Gmdi Fset Iset and Sset are respectively used to access MDI mode at manual feed and set feed speed F stepping amount I and spindle rotating speed S When Xsav Zsav measures the cutting tool compensation value it memorizes the coordinate value of X Z direction 3 2 4 Soft definition key F1 F5 There are five keys marking F1 F5 in the lower part of the 6 Inch LCD the function of the key will change with the primary function selceted by current user which is primarily used to
100. osition along X direction system display and moving to 21 001 with actual measurement which 7 thread pitch error is 40 001 Moving to 24mm position along X direction system display and moving to 24 002 with actual measurement which 8 thread pitch error is 0 002 68 Nanjing Washing CNC System User Manual Moving to 27mm position along X direction system display and moving to 27 009 with actual measurement which 9 thread pitch error is 40 009 Moving to 291mm position along X direction system display and moving to 291 011 with actual measurement which 972 thread pitch error is 0 011 Moving to 294mm position along X direction system display and moving to 294 000 with actual measurement which 98 thread pitch error is 0 Moving to 297mm position along X direction system display and moving to 296 999 with actual measurement which 99 thread pitch error is 0 001 Moving to 300mm position along X direction system display and moving to 300 007 with actual measurement which 1007 thread pitch error is 40 007 Finally saving the data and CNC system will automatically implement thread pitch compensation when processing 4 6 Spindle Pressing F5 key to access this sub function It inspects whether the spindle encoder is normal as well as measures and displays current spindle rotating speed Accessing this function when spindle rotates CNC displays the checked spindle speed and pulse num
101. oves to optional position both G75 and G76 instructions can be used to return to the set processing start point 1 Based on the machine tool coordinate G74 is generally used to return to the reference point then returning to processing start point with G75 2 Based on the big coordinate of working coordinate system G76 can be used to return to the processing start point G75 instruction can eliminate accumulated errors in the work process however machine tool must have machine tool reference point G76 requires no machine tool reference point however it can t eliminate accumulated errors The P parameters have 90 in total from 00 to 892 30 can be displayed in every screen which can be switched with ALT key 4 3 1 Meaning of P parameter Ee Scope Factory set 00 G00 Fast locating speed setting mm min 6000 01 Holder reverse lock time set second 0 8 02 The cutting tool number of machine tool 4 03 The spindle 1 gear rotating speed top limit rpm used for frequency 3000 converter analogue output 04 The spindle 2 gear rotating speed top limit rpm used for frequency 1000 converter analogue output 05 0 Machine tool of electro holder 1machine tool array and 0 change 06 X axis direction clearance 1 min 0 07 Z axis direction clearance mm 0 08 The coordinate of X axis presetting cutter point which is relative to 0 machine tool zero 09 The coordinate of Z axis pres
102. owever when the set value is less than 1000 mm min it ll be automatically set to 2500 mm min when system processes 9 Towards to the sub cutting tool of thread cutting it can be optionally set in the program adopting the assignment statement P10 0 1 and 2 a When P10 0 it s the equidistance feed at the time of thread cutting namely the feed amount of each time is R L and when the 257 parameter is not equal to 0 finally increasing one cut of smoothing tool b When P10 1 it s the equal cutting amount feed Towards to 60 degree screwer the metal cutting amount of every feed can be guarantied basically identical Its formula is Rn n n 1 x R AL A Rn Feed amount of the n time N Feed of the n time N lt L L Cycle number R Total cutting depth c When P10 2 it s the equal cutting amount feed and the first cut when P10 1 is divided into two cuts for cutting If the cutting amount of first cut is too big P10 can be set as 2 and system will divide the first cut into two for cutting to prevent damaging tool nose such as when R 1 0 L 5 P10 The first The second The third The fourth The fifth The sixth The seventh cut cut cut cut cut cut cut 0 0 2 0 2 0 2 0 2 0 19 0 01 1 0 45 0 19 0 14 0 12 0 09 0 01 2 0 23 0 22 0 19 0 14 0 12 0 09 0 01 10 Towards to the thread cutting mode it can be optionally set in the program adopting the assignment statement P11 0 1 2
103. pae ee eee a eene eee pa asss ea eee o e Poo cesa ee ERO oroki Easo 74 Appendix Three Programming Example 4 cete ceste eene ee esee eee netto setas etn esee ne seta setas etua 76 Nanjing Washing CNC System User Manual Chapter One 31DT System Overview 1 1 31DT system indicator 1 1 1 Main specifications Pulse equivalent X 0 001mm Z 0 001mm Control compounding axis number 2 2 Programming scope 9999 999 9999 999mm Foward speed 60000 mm min 0 001 mm equivalent Program capacity Electronic disk 128K which can store 30 programs i Line arc metric system English system straight cone nterpolation g multi thread single thread 1 1 2 System resource Display 6 LCD is adopted with 320X240 dot matrix Electronic disk 128KB memory for saving program status and parameter Input signal 24 way on off and optical isolation Hand wheel interface 1 way 1 10 100 multiply factor Encoder interface 1 way four multiple frequency processing Output signal 17 way on off 12 way relay power driving output and 5 way relay contact output Stepping motor driving signal CP and CW output in X and Z directions One way 8 bit analogue output 0 5V or 0 10V Serial port RS232C asynchronous serial port 1 2 Coordinate system provision When the elements are processed on the numerically controlled machine tool the relative movement between cutting tool and elements must be in the specified coordinate system and
104. parameter is not defined when subprogram is called then the value of P parameter in the subprogram is indefinite 2 The parameter can also be used in the main program 10 Nanjing Washing CNC System User Manual 2 2 10 G25 Jump processing Format G25 NXxxx xxxx xxx Description 1 The cycle body which is defined by this format is the defined block including these two segments between two block numbers following N and the digit defines the call number of this block from 1 to 255 and 1 will be considered without compiling 2 The next segment processing program after G25 instruction completes is the one of jump processing block 3 Other instructions are prohibited in the G25 block Example N0010 G92 X50 Z100 N0020 G25 N0040 0060 02 N0030 G00 X10 Z20 N0040 G01 X40 Z80 F300 N0050 Z60 N0060 G00 X50 2100 N0070 G04 K3 N0080 M02 The processing sequence of program above is N0010 N0020 N0040 N0050 N0060 N0040 N0050 N00 N0070 N0080 2 2 11 G26 Transition processing sub program call in the program Format G26 Nxxxx xxxx xxx Description The transition processing instruction completes the next processing section is the next one of G26 Nxxxx xxxx xxx which is the difference from G25 and the rest are same as G25 Example N0005 S800 M03 N0010 G26 N0050 0080 02 N0020 G04 K2 N0030 G01 X2 F20 N0040 G00 X0 ZO N0050 G92 G90 X0 2Z0 N0060 G01 Z 20 X20 F300 N0070 M00 N0080 Z 40 N0090 27 60 X0 N0100
105. pen electronic gear function 00 factory set is 00000000 63 Nanjing Washing CNC System User Manual 017 REDP ZPCE YPCE XPCE REDP 1 Dynamic thread pitch error compensation values are displayed on the operation interface and their values are respectively signified with XH YH and ZH ZPCE 1 Zaxis opens thread pitch error compensation function YPCE 1 Y axis opens thread pitch error compensation function XPCE 1 X axis opens thread pitch error compensation function 012 factory set is 00000000 02 BKDP SLE SLE SNZ ZBKE YBKE XBKE BKDP 1 Thereversion clearance compensation condition is displayed dynamically on the operating interface and signified with XK YK ZK SLE 1 Open soft limit function SLS 1 Each axis stops suddenly at the soft limit 0 Each axis stops with speed reduction recommendation SNZ 1 It s not necessary for soft limit to be valid returning to reference point 0 It s valid that the soft limit must return to the reference point ZBKE 1 Z axis opens reversion clearance compensation YBKE 1 Y axis opens reversion clearance compensation XBKE 1 X axis opens reversion clearance compensation 02 factory setting is 00000111 03 RDYE RDYK FTFE ZREF YREF XREF RDYE 1 Self verifying is passed after starting up and CNC outputs ENABLE signal to the servo driver each axis and contact point ou
106. program such as pressing Cycle start and the program starts operation When pressing F2 line number the cursor appears after the program name It notes user to input line number which is the line to execute line skip The program before line number is not executed This system provides that the programming zero under auto cycle is the point which the value of system big coordinate is zero and all programming tracks regard this coordinate as the benchmark The coordinate zero can be also set with G92 under MDI mode and the current system coordinate position can also be set as coincidence between processing zero and program zero If the big character coordinate displays zero when auto cycle starts then the programming tracks which are relative to current cutting tool position are implemented The big character coordinate is not zero when auto cycle starts and the system regards that various coordinate axes have moved some distance from zero The movement amount is the value of the big character coordinate while the zero of programming coordinate is not the cutting tool position when cycle starts and zero is the point before movement For instance The programming is G90 G01 X10 230 F100 However when cycle starts the big coordinate of system is X 50 000 Z 3 500 Then the results of the execution above are X coordinate moves 30 mm along the positive direction and Y coordinate moves 26 5 mm along the negative direction in
107. programs and parameters this password is prohibited for users without system clear right This system can guaranty that every machine tool has different password when leaving factory or makes it identical in the batch of systems of the same user offered according to user s requirements 4 10 4 Backup After 4 10 operation is completed pressing F5 Backup to backup and recover the cutting tool parameter P parameters digit parameters and thread pitch error parameters or set up them as defaults of factory set The display is as follows System backup X 0000 000 Z 0000 00 F1 F2 F3 After pressing F1 Backup or F2 Recover or F3 Factory set the display is as F4 F5 follows System backup X 0000 000 Z 0000 000 F1 F2 F3 F4 F5 Pressing F1 F4 can backup recover set up to factory set towards to corresponding parameters After completing operation Saved or Recovered are displayed in the lower right corner of the screen The previous screen can be returned by pressing F5 Quit 72 Nanjing Washing CNC System User Manual 4 11 Shutdown and starting up Pressing lt gt key in the PAKAM Parameter main image and the screen displays Parameter setting X 0000 000 Z 0000 000 Fl F2 F3 F4 F5 Kl 3 6 Pressing F1 Shutdown CNC memorizes some important parameters such as current coordinate clearance direction cutting tool compensation number and so on which are saved or saved on the
108. propriate spindle rotating speed and manual feed speed and starting spindle moving holder using selected No T1 cutting tool to turn one end surface on the work blank and pressing Zsav key to quit the cutting tool to proper position along X direction to process one section of excircle pressing Xsav key Quitting the cutting tool and stopping the spindle measuring the diameter of excircle inner bore after cutting and the length L from the work piece end surface to the chuck end surface 6 Pressing cutting tool compensation setup key to access the cutter compensation parameter interface and X 0 000 appears in the screen after the diameter is input pressing ENTER key for confirmation At this time the cursor stops after the X direction offset and flashes pressing F3 cutting tool compensation and Z 0 000 will appear in the screen After the length L is input pressing 37 Nanjing Washing CNC System User Manual Save Open program key for saving After the cutting tool compensation is established the relative position of this cutting tool in the work piece will be determined Description At the first time of presetting cutter after clearing memory it s necessary to press F3 cutting tool compensation after accessing the cutter compensation parameter interface then the system will appear X 0 000 or Z 0 000 at this time the cutting tool compensation values in X and Z directions can be input Pressing ENTER fo
109. put characters can be seen in turn which are displayed in the screen when communication transfers 3 4 4 3 Output F3 It outputs some one program to the PG machine or other numerical control systems which is stored in the system Steps 1 Pressing PRGRM program to access program management 2 Pressing lt gt 3 Pressing F3 to display Output and cursor appears and flashes after the first line Program inputting program name in the cursor position it has been stored in the system and the output process starts after pressing enter key 4 If the character is typed wrongly when inputting program name the F1 key can be used for modification 5 Towards to the specific operations which implements program exchanges with computer please see description files in the communication floppy disk 3 4 5 List The list function can rapidly browse and edit user program content in the CNC storage area even if the hiding program can be displayed under this function However if the 50 Nanjing Washing CNC System User Manual program is read only then edit can t be implemented and the operating sequence is as follows 1 Pressing PRGRM program to access Program management mode 2 Pressing F4 to access list sub function and displaying the first program in the CNC user program area This program name PXX or NXX is displayed after Program in the first line of the screen and the program contents
110. r confirmation after the input completes 2 4 3 8 Directly inputting cutting tool compensation value If it s necessary to directly input the cutting tool compensation value of certain number pressing cutting tool compensation setup under manual status to access the cutter compensation parameter interface and moving the cursor in front of the corresponding cutting tool compensation value pressing F5 to directly input the measured cutting tool compensation value pressing ENTER for confirmation and then pressing Save Open program for saving 2 4 3 9 The minute modification and regulation of cutting tool compensation value In the actual processing if the dimension of work piece processed by certain cutting tool is bigger or smaller the method of changing cutting tool compensation value for compensation if the X direction is greater than 0 05 mm the cursor will be moved to the cutting tool compensation parameter position of this cutting tool number and pressing F4 modification and regulation then pressing deviation value 0 05 Then pressing Save Open program Inputting positive value if it s bigger and inputting negative value if it s smaller The modification and regulation of Z direction is as the same 2 4 4 Axis optional function Under machine tool zero or hand wheel status pressing F4 X Z key to select effective axes at this time the system will display the current effective axes in the operating status bar as t
111. r hopes to access operating status and moves X and Z axes to proper position and the operation is as the following sequence D Pressing OPERT Process primary function key the system will automatically save the editted processing program then quit PRGRM primary function and access OPERT primary function the main image of OPERT is displayed in the screen Pressing coordinate moving keys amp Z Z X A X V to move coordinate axis This is one general operation 2 to 4 times of operation are probably required towards other conditions 3 3 3 Selection of sub function There are 5 keys marking F1 FS5 in the lower part of screen the roles of these five keys are to select various sub functions under some one primary function Owing to that primary function has three kinds while various sub functions under primary function are also different accordingly the roles of F1 F5 change at any moment and towards to current specific 45 Nanjing Washing CNC System User Manual definition of F1 F5 the notes are displayed in the screen Accordingly F1 F5 are also called soft definition keys or F function keys Towards to the undefined F key under current primary function there are no corresponding notes in the screen in general and the system makes no response with pressing this key This system will probably define it when the software version upgrades When F1 F5 are not enough the key lt gt can be pressed to switch to the next
112. rease decrease speed time constant the better the following of spindle rotating speed 6 The lower limit of spindle rotating speed is determined by 287 parameter at constant linear speed cutting 2 2 37 G97 Cancel constant linear speed cutting Format G97 2 2 38 G98 Cancel feed of each rotation Format G98 2 2 39 G99 Setting feed of each rotation Format G99 Fxxxxxx Description The Fxxxxxx following G99 is the feed distance of each rotation which the unit is Um namely only integer can follow F This is different from feed of every minute 2 3 Subsidiary function M function The M function is also called subsidiary function which is used for state control of CNC input and output The subsidiary function is composed of M with two digits following it and the subsidiary functions of 31DT numerical control system are as follows M00 Program pause M01 Condition pause M02 Program end M03 Spindle positive rotation M04 Spindle reverse M05 Spindle stop M08 Open cooling fluid M09 Close cooling fluid M10 Work piece clamping Mil Work piece loosing M20 Open specified relay M21 Close specified relay M24 Setting cutting tool compensation number M30 Returning to program beginning M71 M85 M function pulse output 28 Nanjing Washing CNC System User Manual M function is the one to switch on or switch off machine tool external switches such as spindle startup stop and refrigeration motor switching
113. reference point SNZ 1 is determined by the SNZ digit of 02 3 The interval set by soft limit is defined by the system parameter P parameter 60 65 once the coordinate machine tool coordinate or work piece coordinate selected by the system exceeds interval of each axis the system will give alarm see parameter table 4 When the limit occurs whether each axis stops suddenly or stops with speed reduction is determined by OVS of 09 towards hard limit and determined by the SLS digit of 02 towards to soft limit 5 When the soft hard limit stops with speed reduction its time constant of negative acceleration is determined by the 44 parameter while the maximal speeds are all set as 10 m min 6 When limit sudden stop is selected the servo will generate great impact and generate adverse effect to the machine tool so adopting stop with speed reduction is recommended but over impact will be caused and the soft limit region is exceeded the smaller its acceleration is the longer the interval exceeding is so the method of using time constant 44 to increase acceleration and decrease border crossing length 3 1 4 Clearance compensation Towards the mechanical transmission machinery with certain reversion clearance compensation the system can compensate the precision loss but it can t be expected that the effect after compensation is the same as the gapless processing quality especially when the arc processing exceeds quadran
114. s after the first line program Typing in the copied program name in the cursor position such as P67 P67 must be the program which has been in the system One arrow appears after this program name after pressing enter key and cursor flashes after this arrow then inputting the copied program name such as P68 P68 must be the program which is not in the system The copy completes after pressing ENTER and new program generates simultaneously corresponding changes occur in the program table 3 4 3 2 Delete F2 This function is to delete useless programs from the system and they can be main program or sub program so long as they appear in the table Steps 1 Pressing PRGRM program to access program management 2 Pressing F2 and the function notes delete then inputting program name which is required deleting 3 This program is deleted after pressing ENTER key Note Once the program is deleted it can t be recovered so it s necessary for you to carefully operate when deleting 3 4 3 3 Program status Every program of 21DM system can have four attributes which are A common b read only c hiding program d read only hiding Towards to common attributes the general edit delete etc can be implemented Towards to read only attribute the system can be only displayed in the screen for viewing which the character can t be increased and decreased or deleted wholly This function can prevent misoperation to corrupt progr
115. s follows 0010 GOO X70 Z130 0020 M03 S800 0030 G01 2127 FSO low feed 0040 X 0 5 turning end surface 0050 G00 Z130 fast retracting 0060 X56 2 fast retracting 0070 COl Z0 F80 rough turning excircle 56 0080 G00 X58 fast retracting 0090 Z130 fast retracting 00 GOl X50 5 F80 low feed 10 Z14 rough turning excircle 20 GOO X52 fast retracting 30 27130 fast retracting 40 GOI X44 F80 low feed 50 Z0 rough turning excircle 60 COO X46 fast retracting 70 Z130 fast retracting 80 CO1 X40 FSO low feed 90 Z70 rough turning excircle 0200 G00 X42 fast retracting 0210 Z130 fast retracting 0220 G01 X36 2 F80 ow feed 0230 ZT5 rough turning excircle 0240 G00 X38 fast retracting 020 7130 fast retracting 0260 GOL X28 5 F80 low feed 0270 X30 5 Z125 chamfer 0280 7104 rough turning excircle 0290 G00 X90 fast retracting 0300 7200 fast retracting 0310 T02 cocco coccococoocococooco c 78 Nanjing Washing CNC System User Manual 0320 M03 S400 0330 G00 Z107 fast feed 0340 X32 fast feed 0350 G01 X26 2 F20 0360 G00 X52 fast retracting 0370 720 fast retracting 0380 GOl X34 2 F20 rough turning excircle 0390 COl X52 FSO low retracting 0400 G00 27200 fast retracting 0410 T3 S1200 0420 GOO X32 Z127 0430 COL X30 FSO low feed 0440 Z114 fine turning thread excircle diameter 30
116. s interpolation cutting to the end point section and it will stop if processing completes b 8 G01 retracts I and the auxiliary section EE smoothness process is implemented simultaneously G00 fast retracts A to safety position G00 fast retracts to start point section and is repeated to 1 Example 4 Negative taper excircle the right cutting is implemented dr iil Absolute value programming G90 G81 X40 Z150 R30 I 1K 0 2 F200 Increment programming G91 G81 X0 Z50 R30 I 1 K 0 2 F200 The processing course is same as example 1 KI 2 17 230 440 Example 5 Negative taper inner circle the left cutting is implemented G90 G8 X30 Z100 R40 Il K0 2 F200 i e 39 4 Absolute value programming G91 G81 X30 Z 50 R40 I1 K0 F200 Increment programming g Processing course 1 It s similar to example 1 and the difference is that the cutting tool retracts to the central axis direction Fl 2 18 when retracting 21 Nanjing Washing CNC System User Manual 2 2 29 G82 End surface fixed cycle Format G82 XZRIKF Description 1 Under absolute coordinates mode X and Z are absolute coordinates of another end surface end point and under incremental programming mode X and Z are increment values of end point which is relative to current position 2 R end point diameter start point diameter the end point start point diameter is the final cone diameter on sic
117. select sub function belonged to the primary function under it The meaning of F key is corresponding to the Chinese character in the lower part of current screen When exceeding 5 keys pressing lt gt key to switch to soft function menu of the next page 3 2 5 Others Aaah Cycle startup which is used to execute one processing program a La Cycle pause 42 Nanjing Washing CNC System User Manual IARI Cycle cancel termination of this cycle VW v ua fast Simultaneously pressing either key of the four keys of 4Z Z gt X A and X V the machine tool will operate with the manual maximal speed set by the 102 parameter under automatical and manual modes AE ON LOH a decrease Spindle multiply factor increase decrease Dynamically regulating spindle rotating speed S under automatical and manual modes only valid for main JFeed multiply factor increase decrease Dynamically regulating feed speed F motor speed control by frequency variation Nl Du N 1 JRegulating brightness of LCD 2582 This key is the shortcut one under status of manual automatical and hand wheel operating the cutting tool compensation parameter interface can be fast accessed by pressing this key La Sl key of file call After inputting program name the program to be processed currently will be called and the program system parameter cutting tool parameter and files of machine too
118. ssacees 4 PBUTIdIDgupim e M M 4 S BMaVICITJGE oane A NE K EEKEREN EISE KN ENEEK IKEEN TENARIS ERS 5 2 2 Preparative function G function ssesssessoesseessoessossscsssoessossocesoessocssoeesoeesoessosssosssosssosesoseo 6 2x ellen 7 2 2 2 G01 Line interpolation eere conne euer eon o nuoc eoa e o eine vo a ae irae ese eain 7 2 2 3 G02 Interpolation of clockwise arc e eeee eee ee eerte eee eene netten etas ten es tnaue 8 2 2 4 G03 Inverse arc interpolation e eeeee eee ee e eere eee neenon etae stone stones etna ses 9 2 2 5 G04 Time delay 1 eate eee terne Sent se eee e ety v thee Ya eae een tao ae vga a Eu ovp dpa dva Eo Eurus 9 2 2 6 G09 Feed angle specified stop eese eese cerne cete eene eene ee netten ette neta e etnnue 9 2 2 7 G20 Sub program call 4 erano retener eoe a en uota tu a o en ena vua aea eue ve ane aveo 9 2 2 8 G22 Sub program definition 4 eee e eee eres ee eee seen sette eet en esee e setas etna seins 10 2 2 9 G24 Completion and returning of sub program eeeeeeeeee eene enne etnue 10 2 2 10 G25 Jump Processi cvescccveseccocassvecceressvecsesvctsersavesccsevsetessnsverssesveatevensvessesscessecde 11 2 2 11 G26 Transition processing sub program call in the program 11 P490 PA G27 Endless Cycle E 11 2 2 13 G30
119. t the bigger the clearance value is the more influence on the quality so the machine tool should decrease the clearance compensation value as far as possible The system adopts principle of extra movement to deal with clearance and its acceleration of movement is calculated by the 39 time constant and 48 compensation speed top limit 3 1 5 Screw thread pitch compensation Owing to influence of composite factors such as manufacture and temperature the screw thread pitch error statistically belongs to the system error and not the accidental error and the numerical control system thinks that when the measurement distance of error between two adjacent measuring points is small enough lt 1 5 2 times of thread pitch the error presents weighted linear distribution When the system implements thread pitch error compensation it not only guaranties the accurate compensation of the measuring point but also the weighted compensation can be implemented to the errors among measuring points so as to guaranty that every system cycle about 4ms can implement compensation to the screw error within the total 40 Nanjing Washing CNC System User Manual travel of entire screw instead of only compensating the measuring point independently Compensation amount Compensation amount E General point to point compensation amount Weighed compensation Seen from the weighted compensation figure the compensation amount of any point of the screw length
120. tch that X direction returns to reference point it s the coarse positioning when pressing and fine positioning when releasing 0 Two switches that X direction returns to reference point and the coarse positioning and fine positioning are separated YSRF 1 One switch that Y direction returns to reference point it s the coarse positioning when pressing and fine positioning when releasing 0 Two switches that Y direction returns to reference point and the coarse positioning and fine positioning are separated 66 Nanjing Washing CNC System User Manual ZSRF 1 One switch that Z direction returns to reference point it s the coarse positioning when pressing and fine positioning when releasing 0 Two switches that Z direction returns to reference point and the coarse positioning and fine positioning are separated When selecting one switch the coarse and fine positioning switches of this axis must be same as the input terminal number namely in the P parameter P66 P69 when XSRF 0 P67 P70 when YSRF 0 P68 P71 when ZSBF 0 The factory set of 11 is 00000000 12 WHLS CH EN TBCD WHLS 1 Hand operated pluse generator multiply factor axis selection is selected by the external switch 0 Selecting system keyboard to control hand operated pulse function CH EN 0 Chinese interface English interface the English version software must be replaced
121. te If the cutting tool cuts on the other side of the work piece axial line namely the cutting tool is in the opposite direction of axial line then the input diameter is negative Presetting method in Z direction D Accessing manual operation mode Re starting the spindle and moving holder and using No n cutting tool to turn one end surface on the work blank Z memory will appear at the top right corner in the screen by pressing Zsav key 3 Manually quitting the cutting tool and stopping the spindle measuring the length L from the cutting end surface to the chuck end surface Pressing cutting tool compensation setup key to access the cutter compensation parameter interface and Z0 000 will appear in the screen Inputting the length L measured in the step 3 on the keyboard and pressing ENTER for confirmation then pressing Save Open program for saving At this time the relative position of this cutting tool in the work piece coordinate system has been confirmed Note At the time of presetting cutter for every tool the measurement benchmark must be the same else the cutting tool compensation value in Z direction will be incorrect 2 The presetting cutter is memorized in X and Z directions simultaneously D One work blank piece is clamped on the chuck Accessing manual operation mode Turning the holder and selecting the cutting tool number requiring presetting cutter such as T1 2 Setting ap
122. te movement are included in certain line program this line program includes two executable movements The last program completes and waits pressing Cycle start once the spindle operates and waits again If Cycle start is pressed again the coordinate will move 2 Pause It s correspondent to Cycle start that auto cycle can be paused and processed by Cycle pause Pressing Cycle start after pause to continue if pressing Cycle cancel this automatic processing will be cancelled Note The track display function can be accessed after automatic processing starts 3 5 6 MDI operating mode In the manual auto pulse control and hand wheel modes of OPERT Process primary function the cursor appears in the second line of the screen with pressing GMDI now one line program can be typed in and the system will be executed after pressing ENTER key This segment of program requires no block number In the automatic mode all executable blocks can be executed in MDI mode 3 6 Figure display function Under OPERT Process primary function the automatic mode can be accessed by pressing F3 Auto and now pressing F5 track display to access figure display mode online or simulation This function is used to display movement track of tool nose under certain processing program control This function can make user directly view the operational 54 Nanjing Washing CNC System User Manual process of programming track and at
123. ter and the result of G76 execution is to move tool nose to the same coordinate position with parameters 187 and 197 2 2 27 G77 Recovering current coordinate system Format G77 X_Z_ G77 X_ G77 Z_ Description G77 can only be used with G75 to recover work piece coordinate system before G75 execution 2 2 28 G81 Excircle inner circle fixed cycle Format G81X_Z RIK F_ Description 1 Under absolute coordinates mode X and Z are absolute coordinates of another end surface end point and under incremental programming mode X and Z are increment values of end point which is relative to current position 2 R is the processing diameter of start point section 3 Lis the rough turning feed amount and K is the fine turning feed amount I and K are symbolic numbers and their symbols should be the same The symbols are specified as follows Cutting from outward central axis turning excircle is on the contrary it s 4 Various X Z and R values determine different shapes of excircle such as with taper or without taper positive taper and negative taper left cutting or right cutting and so on 5 F is the feed speed mm min of cutting processing 6 After processing completes the cutting tool stops at the end point Example 1 positive taper excircle the left cutting is implemented G90 G81 X40 Z100 R30 I 1K 0 2 F200 Absolute value programming G91 G81 X0 Z 50 R30 I 1 K 0 2 F200 Increment programming Proc
124. tool and adopting this cutting tool compensation number Measuring the tool nose position the method of using this tool for one section of trial cut and the X and Z actual coordinate values will be set with G92 2 Adopting M24 Km to set one cutting tool compensation number artificially Once the cutting tool compensation number is generated CNC will continue to memorize and this memory is saved in the memory protected by battery but for a variety of reasons the cutting tool compensation number will be probably damaged In order to prevent this condition it s recommended to adopt mnemonic function to save crucial data in CNC into the electronic 35 Nanjing Washing CNC System User Manual disk before shutdown and then to recover the saved data after every starting up Steps Shutdown save A The PARAM parameter primary function can be accessed B Pressing lt gt and then pressing F1 shutdown C Shutdown Starting up recovery A The PARAM parameter can be immediately accessed after starting up B Pressing lt gt and then pressing F2 starting up C Quit The methods above can protect and recover the following data cutting tool compensation number system coordinate and clearance compensation direction 2 4 3 6 T function movement sequence The CNC built in PLE movement sequence when T function leaves factory is as follows Current cutting tool is equal to expectation cutting tool Switching
125. tput RDYE 0 self verifying is passed after starting up and CNC doesn t output ENABLE sign to the servo driver each axis and contact point output RDYK 1 The RDY key on the operating keyboard can output the ENABLE signal or not 0 The RDY key is invalid FTFE 1 When G00 fast moves the speed modification and regulation is valid but it cannot exceed the top limit of fast speed which is determined by the 007 Parameter 0 G00 zero speed modification and regulation ZREF 1 The function of Z axis returning to the reference point is opened 0 The function of Z axis returning to the reference point is unopened ZREF 1 The function of Y axis returning to the reference point is opened 0 The function of Y axis returning to the reference point is unopened XREF 1 The function of X axis returning to the reference point is opened 0 The function of X axis returning to the reference point is unopened 037 factory set is 10000111 04 2 HL08 HL07 HL06 HL05 HL04 HL03 HL02 HL01 64 Nanjing Washing CNC System User Manual HLOx x 1 8 044 factory set is 00000000 052 HL16 HL15 HL14 HL13 HL12 HL11 HL10 HL09 HLxx xx 09 16 respectively signifies whether it s high level 71 validity or low level 70 validity for the input level of the input terminal which is same as the number after HL 054 factory set is 00000000 067 HL24 HL23 HL22 HL21 HL20 HL19 HL18 HL17
126. tting tool compensation number 1 10 There are several following written forms Electro holder tool array Tn Changing No n cutting tool and using No Using No n cutting tool n cutting tool compensation compensation Tn 0or Tn Changing No n cutting tool without As above cutting tool compensation T0 m or T m Not changing cutting tool and using No m Using No m cutting tool cutting tool compensation compensation Tn m Not changing cutting tool and using No m Using No m cutting tool cutting tool compensation compensation T0 0 No movement No movement 2 4 3 2 The cutting tool number and cutting tool compensation number Towards the tool array the tool numbers are all 0 and the deviation of tool nose will be modified through changing tool number towards the electro holder the tool numbers are acquired by sensor in the holder and they are not memorized by CNC Accordingly no matte whether it s tool array or electro holder CNC can correctly learn about the tool number However the cutting tool compensation number can t be acquired through external switch especially towards tool array and when the tool number is different from cutting tool compensation number CNC can only acquire the cutting tool compensation number via memory In normal work the cutting tool compensation number is between 1 and 10 but under special condition such as CNC is used for the first time the system is totally cleared or th
127. two kinds of formats A Constant format the data is constant set by programming namely 0 9 B Parameter format the numeric section such as function number parameter and so on in the program can be signified with variable while the specific value of variable is imported by P xx definition in the main porgram of calling sub program This system can process 10 variable parameters P0 P1 P9 5 Sub program and transition processing G25 and G26 can implement compound nestification for most 10 times 6 When it s necessary for parameter to define variables PO xx P1 xx and so on can be used to assign definite numerical values to 04 92 No matter whether P appears in the main porgram or sub program this parameter will be superseded with the lately assignment 2 2 9 G24 Completion and returning of sub program Format G24 Description 1 G24 signifies completion of program and returns to the next segment of program calling this sub program 2 G24 and G22 appear in pair 3 The segment of G24 disallows other instructions to appear Example The parameter transmission process in the subprogram call will be described through the following example please apply it Main program P01 N0010 S1000 M03 N0020 P7 200 P8 50 P9 02 N0030 G20 N05 N0040 M02 Sub program N05 N0010 G22 N05 N0020 G92 X50 Z100 N0030 G01 X40 FP7 N0040 Z97 N0050 GP9 Z92 X50 I10 KO FPS N0060 G01 Z 25 FP7 N0070 G00 X60 N0090 Z100 N0100 G24 Note 1 If P
128. unction X ZLK Movement instruction coordinate Coordinate letter Do 0 001 49999 999 circle center coordinate thread R L J D x pitch radius and cycle number Feed speed F 1 60000mm min Feed speed instruction Spindle function S 0 5000RPM Instruction of spindle rotating speed Cutting topl T 1 8 Cutting tool instruction function Auxiliary function M 0 99 Auxiliary instruction The numerical control system doesn t require each block having these instructions above however in every block the instruction should be arried according to certain format Each function word probably has various definitions in different block definitions refering to specific instructions 31DT numerical control system adopts the variable block format which means that the block length changes with word number and word length One block is composed of one or more program words Generally the program word is composed of address word and post address word number and symbol for instance X 46 38 L Data word digit Symbol minus Address function word This program word format is composed of address function word as the header following a string of digits and several words compose one block The words written in the previous block and unchanged in this block are also valid which can be no longer rewritten In the dimension words it can only write valid digit and not specify that every word should write the full number For instance
129. upposing tool nose is at A point Absolute value mode programming G01 X40 Z20 F150 Incremental mode programming G91 G01 X10 Z 35 F150 Illus 2 2 G01 2 2 3 G02 Interpolation of clockwise arc Format GOXZIKF GO OOXZRF Description 1 When X and Z are at G90 the end coordinate of arc is the absolute coordinates value which is relative to programming zero When it s at G91 the arc end is the increment value of relative arc start point Towards to G90 G91 I and K they are all the coordinate values of center relative arc start point and I is the diameter amount in X direction value K is Z direction The circle center coordinate can t be omitted at the circular interpolation unless it s programmed with R arc radius 2 When G02 instruction is programmed it can directly program over the quadrant circle and full circle and so on R programming can t be used for full circle Note When passing quadrant it can automatically implement clearance compensation if the clearance compensation isn t be input in the parameter region or the clearance compensation in the parameter region differs much to the practical reverse clearance of machine tool which will generate obvious cut mark on the work piece 3 The full circle can t be programmed with R 4 R is the arc s radius which is the number with symbol signifies that the arc angle is less than or equal to 180 degree signifies that the arc angle is greater

Operation & Programming Guide

Contents

Download Pdf Manuals

Related Search

Related Contents

Operation &amp; Programming Guide

Contents

Download Pdf Manuals

Related Search

Related Contents

Operation & Programming Guide