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User's Manual TNC 406, TNC 416

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1. Cross the reference points manually in the displayed sequence For each axis press the machine START button or x Y Cross the reference points in any sequence Press and hold the machine axis direction button for each axis until the reference point has been traversed 2 Manual Operation Setup and Probing Functions The TNC is now ready for operation in the Manual Operation mode HEIDENHAIN TNC 406 TNC 416 17 2 1 swijgj on 2 2 Moving the Machin Mes 2 2 Moving the Machine Axes Note i The TNC shows the position of up to five machine axes The machine manufacturer can enable the position of the fifth axis for example with the machine axis direction buttons with jog increments with the electronic handwheel or through PLC positioning Contact your machine manufacturer if you need to position a fifth axis To traverse with the machine axis direction buttons Select the Manual Operation mode x Press the machine axis direction button and hold it as long as you wish the axis to move or x Move the axis continuously Press and hold the machine axis direction button then press the and machine START button 0 To stop the axis press the machine STOP button 18 2 Manual Operation Setup and Probing Functions Traversing with the HR 410 electronic handwheel The portable HR 410 handwheel is equipped with two permissive buttons The permissive buttons are located
2. 6 Programming Programming Contours Corner rounding RND The RND function is used for rounding off corners The tool moves on an arc that is tangentially connected to both the preceding and subsequent contour elements The rounding arc must be large enough to accommodate the tool RND gt Rounding off radius Enter the radius Further entries if necessary Feed rate F only effective in RND block Example NC blocks CS In the preceding and subsequent contour elements both coordinates must lie in the plane of the rounding arc If you machine the contour without tool radius compensation you must program both coordinates in the working plane The corner point is cut off by the rounding arc and is not part of the contour A teed rate programmed in the RND block is effective only in that block After the RND block the previous feed rate becomes effective again You can also use an RND block for a tangential contour approach Circles and circular arcs Here the TNC moves two machine axes in a circular path relative to the workpiece The axes can also be auxiliary axes U V or W HEIDENHAIN TNC 406 TNC 416 97 6 4 Path Contours oa Coordinates sian Coordinates Q N hom Oo ad c Q Q E me 0 gt Circle center CC You can define a circle center CC for circles that are programmed with the C key circular path C This is done in the following way
3. E Q eb Q 2 Q e 2 ad Oo ad lt lt a 4 5 Fundamentals of M Erosion 4 5 Fundamentals of Spark Erosion Electrical discharge machining is an electrothermal process which uses a spark to remove metal by melting and vaporizing eroding the workpiece surface In contrast cutting machine tools such as milling machines remove metal by direct abrasive action The spark erosion process is described on the following pages The electrode e and the workpiece w are submerged in a dielectric fluid d A generator applies a voltage to the electrode and the workpiece both the electrode and the workpiece are then electrodes An electric field is then created in the gap between the electrode and the workpiece The electric field is strongest where the gap is the smallest The electrically conductive particles in the dielectric fluid are concentrated at this point A bridge of electrically conductive particles forms between the electrode and the workpiece 58 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables After a certain length of time the ignition delay time a discharge channel suddenly forms across the bridge of particles and current starts to flow between the electrode and the workpiece The current flow increases the temperature in the discharge channel and further electrically charged particles are created ions The current increases The tempe
4. 6 4 Path Contours oa Coordinates 9 PUIPIOO4 uels J SANOJUOD YEd V 9 6 Programming Programming Contours 102 Circular path CT with tangential connection The electrode moves on an arc that starts at a tangent with the previously programmed contour element A transition between two contour elements is called tangential when there Is no kink or corner at the intersection between the two contours the transition is smooth The contour element to which the tangential arc connects must be programmed immediately before the CT block This requires at least two positioning blocks If you are using an electrode with tool compensation in the XY plane you must rotate the electrode in synchrony with the angle on circular arcs For example for a semicircle you must rotate the C axis by 180 incremental Coordinates of the arc end point Further entries if necessary Feed rate F Miscellaneous function M Example NC blocks GF A tangential arc is a two dimensional operation the coordinates in the CT block and in the contour element preceding it must be in the same plane of the arc HEIDENHAIN TNC 406 TNC 416 103 6 4 Path Contours D g Coordinates asian Coordinates Q N hom Oo ad c Oo Q s me 0 gt fe 04 Start of program program name LINEAR dimensions in mm Define blank for
5. 68 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Vw Minimum undersize UNS The electrode diameter Re must be smaller than the cavity diameter by at least the value of the minimum undersize UNS Roughing For roughing the minimum undersize UNS is calculated from the two times gap 2G and the maximum surface roughness Rmax Finishing and polishing For finishing and polishing the minimum undersize UNS is equal to the two times gap 2G The maximum surface roughness Rmax can be disregarded Selecting the actual undersize UM For a simple cavity movement only in the electrode axis UNS UM For contour eroding and eroding with DISC cycle movement of the electrode in all axes UM gt UNS Auxiliary parameters AUX 1 AUX 2 AUX 6 w The machine tool builder can assign functions to up to six C auxiliary parameters Refer to your machine tool manual HEIDENHAIN TNC 406 TNC 416 69 4 7 Parameters in the g Table E Electrodes 5 1 Electrodes Each electrode is identified by a number The electrode data consisting of the Length L Radius R are assigned to the electrode number The electrode data are entered into the program with the TOOL DEF command The TNC takes the electrode length and radius into account when the electrode is called by its number If you are working with standard electrodes you can also define all the electrode data i
6. 8 data bits any BCC transmission stop through DC3 even character parity character parity desired 2 stop bits Input value 1 0 8 0 32 64 105 input value for MP5020 MP5100 No parity 0 Even parity 1 Odd parity 2 13 Tables and Overviews Baud rate for RS 422 interface of the PLC Check sequence of blocks with external data transfer Number of times the probing process is repeated for probing a workpiece Maximum difference between results from probing a workpiece several times The TNC aborts probing and generates an error message if the difference between results exceeds the value entered in MP6110 Probe feed rate Maximum traverse to first probe point The TNC aborts probing and generates an error message if the electrode does not reach the workpiece within the defined measuring range Distance by which the electrode is retracted when probing manually If O is entered the electrode is always retracted to the starting point Retraction time after the end of electrode contact when probing manually Rapid traverse for probing After probing the TNC retracts the electrode at the speed defined in this parameter Programming station HEIDENHAIN TNC 406 TNC 416 MP5200 9600 0 38400 1 MP5990 Check sequence of blocks with external data transfer 0 No check 1 MP6100 0to5 MP6110 0 to 2 mm MP6120 80 to 3 000 mm min MP6130 0 to 30 000 mm MP6140 0 to 30 000 mm M
7. Tool table Standard tool data NR Number by which the tool is called in the program e g 5 PT Pocket number in the tool magazine U Tool undersize diametrical X Tool compensation value for the X axis Y Tool compensation value for the Y axis Z Tool compensation value for the Z axis C Tool compensation value for the C axis R Compensation value for the tool radius R Tool undersize from the table is only active if you do not define it again during TOOL CALL Editing tool tables The tool table that is active during execution of the part program is designated TOOL T It can only be edited in the Programming and Editing mode Other tool tables that are used for archiving or test runs are given different file names with the extension T To open any other tool table Select the Programming and Editing mode of operation a Call the program directory Choose the desired TOOL table and confirm your choice with the ENT key or with the SELECT soft key When you have opened the tool table you can edit the tool data by moving the cursor to the desired position in the table with the arrow keys or the soft keys You can overwrite the stored values or enter new values at any position The available editing functions are illustrated in the table below 74 Tool number Pocket number Tool Tool Tool Tool Tool Tool undersize diametrical compensation compensation compensation compensation radius
8. Select erosion table here CUST1 Select power stage Define the tool Tool call Unmirrored 1 mirrored version 1 Datum shift 2 2 Mirror image 3 3 Subprogram call 8 Programming Cycles HEIDENHAIN TNC 406 TNC 416 Cancel mirror image Reset the datum shift End of main program Start of the subprogram for the geometry of the original contour Pre positioning in the X Y plane Move to end depth eroding ON Traverse the first contour point Retract in the X Y plane eroding OFF End of subprogram 165 8 5 voor Transformation Cycles A contour section subprogram 1 is to be executed once as originally programmed referenced to the datum X 0 Y 0 and then rotated by 35 and referenced to the position X 70 Y 60 If the tool axis is parallel to axis IV for example Z and C the ROTATION cycle will cause a shift in axis IV by the same angle as is programmed in the ROTATION cycle e Transformation Cycles 5 O O O i 00 J gt j C e Tl _ O lt D 5 D as e Q Q 3 66 Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Desired erosion table Select power stage Unrotated version 1 Rotated version Sequence 1 Datum shift 2 2 Rotate 3 3 Subprogram call 8 Programming Cycles 8 5 voor Transformation Cycles HEIDENHAIN TNC 406 TNC 416 Reset the rotation Cancel datum sh
9. dp 1 The TNC executes the part program up to the end of the program i section CALL LBL REP En 2 hen the program section between the called LBL and the label call is repeated the number of times entered after REP 3 The INC then resumes the part program after the last repetition A Programming notes Psu gia aes ap You can repeat a program section up to 65 534 times in succession The number behind the slash after REP indicates the number of repetitions remaining to be run The total number of times the program section is executed is always one more than the programmed number of repeats Resetting the program repeat counters after an interruption If you interrupt program run during a program section repeat and then restart the TNC resets the program section repeat counters as follows If you select a new program the TNC resets all counters If you restart the same program with GOTO O the TNC resets the counters in the current program If you do not return to the start of the program GOTO gt 0 the TNC does not reset any counters Programming a program section repeat To mark the beginning press the LBL SET key and el enter a LABEL NUMBER for the program section you wish to repeat Enter the program section 176 9 Programming Subprograms and Program Section Repeats Calling a program section repeat Press the LBL CALL key and enter the label number of 07 EE the program secti
10. Polar Coordinates Overview With polar coordinates you can define a position in terms of its angle PA and its distance PR relative to a previously defined pole CC see Polar coordinates on page 45 Polar coordinates are useful with Positions on circular arcs Workpiece drawing dimensions in degrees e g bolt hole circles Polar coordinates are identified with a P Overview of path functions with polar coordinates Line LP P Straight line Polar radius polar angle of the straight line end point Circular arc CP P Circular path around circle center Polar angle of the arc end point pole CC to arc end point direction of rotation Circular arc CTP P Circular arc with tangential Polar radius polar angle of the arc connection to the preceding end point contour element Helical interpolation P Combination of a circular and a Polar radius polar angle of the arc linear movement Polar coordinate origin Pole CC end point coordinate of the end point in the tool axis You can define the pole CC anywhere in the part program before blocks containing polar coordinates Enter the pole in Cartesian coordinates as a circle center in a CC block cc Coordinates CC Enter Cartesian coordinates for the pole or If you want to use the last programmed position do not enter any coordinates Before programming polar coordinates define the pole CC You can only define the pole CC in Cartesian coordinates The pole
11. Select a function directly Press GOTO enter the function number and select it with the ENT key or Select a function with the arrow keys Use the arrow keys to select the desired function and confirm your selection with the ENT key Overview FNO ASSIGN Example FNO Q5 60 Assigns a numerical value FN1 ADDITION Example FN1 Q1 Q2 5 Calculates and assigns the sum of two values FN2 SUBTRACTION Example FN2 Q1 10 5 Calculates and assigns the difference of two values FN3 MULTIPLICATION Example FN3 Q2 3 3 Calculates and assigns the product of two values FN4 DIVISION Example FN4 Q4 8 DIV Q2 Calculates and assigns the quotient of two values Not permitted division by O FN5 SQUARE ROOT Example FN5 Q20 SQRT 4 Calculates and assigns the square root of a number Not permitted Square root of a negative number To the right of the character you can enter the following Two numbers Two Q parameters A number and a O parameter The Q parameters and numerical values in the equations can be entered with positive or negative signs HEIDENHAIN TNC 406 TNC 416 189 10 3 Describing Contours _ Mathematical Operations 10 3 Describing Contours Mathematical Operations Programming example for basic mathematical operations Assign the value 10 to the parameter O5 To select Q parameter functions press the O key To select the Q parameter function FNO press
12. Spark Erosion Erosion Tables The file directory contains the following information FILE NAME Name up to 8 characters plus file extension BYTE File size in bytes STATUS Properties of the file R File is active for Program Run Program Test E File is active for Programming and Editing P File is protected against editing and erasure Dimensions are given in inches STORAGE AREA AND NUMBER INTERNAL Files in the TNC memory FILES EXTERNAL FILES Files e g on a PC 401 Files in ROM Pressing the ROM soft key displays files that the machine tool builder wrote and stored in ROM such as erosion tables These files can be edited Identification of protected files The TNC inserts a P in the first and last lines of write and erase protected files The file directory also shows a P next to the file name HEIDENHAIN TNC 406 TNC 416 49 4 2 Files 4 2 Files Selecting copying deleting and protecting files Activate the file directory Use the PGM MGT key with the TNC 416 and the PGN NAME key with the TNC 406 If you want to delete files with the TNC 406 you must call the file directory with the CL PGM key Select the file Enter the file name not for CL PGM or move the highlight with the cursor keys to the desired file Go to the next page PAGE Go to the previous page PAGE Display files in ROM RO Select file Such as for a test run SELECT Copy file Enter the name of the t
13. The depth of cavity T is reduced by the value of UNS programmed in the DISK cycle The electrode radius must be larger than the radius of the cavity 0 5 e D 20 mm ameters with Special Funct Depth of cavity T Diameter of cavity D Power stage Define the workpiece blank MIN point Define the workpiece blank MAX point Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table 100 Set power stage Define electrode in the program Call electrode in the infeed axis Z undersize 1 mm Retract in the infeed axis rapid traverse insert electrode Starting position Calculate electrode diameter Calculate undersize UM Call tool with UM Determine UNS Calculating the expansion radius RAD N 12 10 Programming Q Parameters 10 9 Q j ae with Special Functions HEIDENHAIN TNC 406 TNC 416 Calculate T UNS Cycle DISK see Cycle 17 DISK on page 142 Depth T UNS eroding ON Expansion radius Q12 expand circularly Retract electrode eroding OFF 213 E 11 1 Graphics 11 1 Graphics Function In the program run modes of operation as well as in the Test Run mode the TNC graphically simulates the machining of the workpiece Use the BLK FORM ON OFF soft key to determine if the graphic should be shown or not Using soft keys select whether you desire Plan view Projection in 3 planes 3 D view The TNC will not show a graphic i
14. eroding ON Retract electrode rapid traverse eroding OFF Call LBL 1 program section between block 10 and block 14 is repeated five times for 6 cavities Retract electrode 9 Programming Subprograms and Program Section Repeats 4 i 10 1 Principle and Overview 10 1 Principle and Overview You can program an entire family of parts in a single part program You do this by entering variables called Q parameters instead of fixed numerical values Q parameters can represent information such as Coordinate values Electrode data Cycle data Q parameters are designated by the letter Q and a number between O and 255 Q parameters also enable you to program contours that are defined through mathematical functions n addition you can use Q parameters to make execution of machining steps depend on certain logical conditions You can mix Q parameters and fixed numerical values within a program ec Some O parameters are always assigned the same data by the TNC For example Q108 is always assigned the current electrode radius see Preassigned Q parameters on page 202 Automatic deletion of Q parameters The TNC deletes O parameters and the status display when user parameter 7300 1 and the miscellaneous functions MOO MO2 or M30 or the END block are executed In a program 186 10 Programming Q Parameters 10 2 Part Families Q Parameters in rf Place of Numerical Values S The Q param
15. minimum power stage 5 6 TOOL DEF 1 L 0 R 9 9 Electrode radius 7 TOOL CALL 1 Z U 4 2 Undersize 8 L Z 50 C 0 RO F MAX M37 Pre position to setup clearance eroding OFF 9 L X 50 Y 50 Z 1 R F MAX Pre position over the workpiece surface 10 FN 0 Q1 11 Assign incremental depth to Q1 11 LBL1 Label number 12 FN16 Q10 Q200 Q99 The diametrical gap according to the current power stage Is assigned to Q10 see Indexed assignment on page 198 13 FN2 Q9 Q158 Q10 Electrode undersize UM minus electrode undersize UNS 14 FN4 Q8 Q9 DIV 2 Calculation of the expansion radius RAD 15 FN3 Q7 Q10 0 8 Calculation of the vertical gap 16 FN2 Q6 Q1 Q7 Decrease incremental depth by the vertical gap 17 L IZ Q6 RO F M36 Erode to end depth eroding ON 18 CYCL DEF 16 0 ORBIT Cycle ORBIT see Cycle 16 ORBIT on page 139 19 CYCL DEF 16 1 IZ 0 M36 Erode to end depth eroding ON HEIDENHAIN TNC 406 TNC 416 151 Expansion radius RAD O8 erosion movement counterclockwise DIR 0 Circular expansion PAT 0 spark out mode SPO 0 Inquiry if minimum power stage has been reached Decrease current power stage by 1 Jump to LBL1 machine again with lower power stage LBL 99 is reached when machining with the lowest power stage is completed Retract to set up clearance eroding OFF 8 4 Erosion Cycles 52 8 Programming Cycles Workpiece geometry Cavity diameter D 24 mm Eroding depth T 10
16. mm min 247 13 1 General User Parameters 13 1 General User Parameters Gap control feed rate only with gap control via gap signal If the voltage at the analog input is less than the threshold for the free run feed rate the TNC positions the electrode at the feed rate entered in this machine parameter multiplied by a factor from the PLC MIP2142 1 to 99 9 mm min Control character for end of file Control character for end of transmission Adapt TNC interface to an external device Parity setting for LSV 2 protocol MP5010 Control character for end of text e g MP 5010 3 EXT ASCII character Do not send control character for end of text 0 MP5011 Control character for end of text e g MP 5011 4 EOT ASCII character Do not send control character for end of transmission 0 MP5020 7 data bits ASCII code 8th bit parity 0 8 data bits ASCII code 9th bit parity 1 Block Check Character BCC any 0 Block Check Character BCC control character not permitted 2 Transmission stop through RTS active 4 Transmission stop through RTS inactive 0 Transmission stop through DC3 active 8 Transmission stop through DCG inactive 0 Character parity even 0 Character parity odd 16 Character parity not desired 0 Character parity desired 32 2 stop bits 64 1 stop bit 128 Example Use the following setting to adjust the TNC interface to an external non HEIDENHAIN device
17. on page 133 Select erosion table here table 10 Set power stage here to stage 10 Detine electrode in the program Call electrode in the infeed axis Z undersize 0 2 mm Retract in the infeed axis rapid traverse insert electrode Move to erosion hole group 1 rapid traverse Pre position in the infeed axis Subprogram call the subprogram is executed once with block 11 Move to erosion hole group 2 Call subprogram 1 Move to erosion hole group 3 Call subprogram 1 Retract electrode end of main program M2 Subprograms are entered after M2 Beginning of subprogram 1 Call subprogram 2 9 Programming Subprograms and Program Section Repeats E Programming Examples HEIDENHAIN TNC 406 TNC 416 Move to second cavity Call subprogram 2 Move to third cavity Call subprogram 2 Move to fourth cavity Call subprogram 2 End of subprogram 1 Beginning of subprogram 2 Sink eroding ON Retract electrode eroding OFF End of subprogram 2 183 E Programming Examples Define the blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table 10 Set power stage here to stage 8 Define electrode in the program Call electrode in the infeed axis Z undersize 0 1 mm Retract in the infeed axis rapid traverse insert electrode Pre position to eroding distance in negative X direction Start of the program block to be repeated Position above the cavity rapid traverse Sink
18. 010 Q10 1 FN 9 IF 010 EQU 03 GOTO LBL 99 LBL 2 LP PR Q4 PA Q11 RO F MAX M L Z Q8 R F M36 L Z Q7 R F MAX M37 FN 1 010 Q10 1 FN 1 Q011 Q11 06 FN 12 IF 010 LT 03 GOTO LBL 2 LBL 99 L Z 200 R F MAX M LBL 0 END PGM HOLES MM HEIDENHAIN TNC 406 TNC 416 Circle segment 2 center X Circle segment 2 center Y Circle segment 2 number of cavities Circle segment 2 radius Circle segment 2 angle increment Call subprogram 1 for arc Subprogram 1 Reset counter for completed cavities If angle increment does not equal 0 go to LBL 10 Calculate angle increment for full circle Angle for second eroding position Position pole at center Account for rotational position in the plane Pre position electrode at set up clearance First cavity eroding ON Retract electrode eroding OFF Increment counter for completed cavities If finished jump to LBL 99 Move to next cavity Eroding Retract electrode eroding OFF Increment counter for completed cavities Calculate angle for next cavity If not yet finished jump to LBL 2 Retract electrode End of subprogram 211 10 9 Q Parameters with Special Functions Ions Program sequence E The program accesses the minimum undersize UNS with indexed data assignment via the power stage E The minimum undersize UNS is located in the erosion table E Calculations in the program Undersize UM D 2eR Expansion radius RAD 0 5 e UM UNS
19. 3 The TNC then resumes the part program from the block after the Subprogram call Programming notes A main program can contain up to 254 subprograms You can call subprograms in any sequence and as often as desired A subprogram cannot call itself Write subprograms at the end of the main program behind the block with M2 or M30 If subprograms are located before the block with M02 or M30 they will be executed at least once even if they are not called Programming a subprogram LBL SET To mark the beginning press the LBL SET key and enter a label number Enter the subprogram number To mark the end press the LBL SET key and enter the label number 0 Calling a subprogram LBL CALL Ce To call a subprogram press the LBL CALL key Label number Enter the label number of the Subprogram you wish to call Repeat REP Ignore the dialog question with the NO ENT key Repeat REP is used only for program section repeats CALL LBL O is not permitted label O is only used to mark the end of a subprogram HEIDENHAIN TNC 406 TNC 416 BEGIN PGM CALL LBL1 L Z 100 M2 END PGM 175 9 2 Subprograms 9 9 3 Program Section Repeats a Label LBL as The beginning of a program section repeat is marked by the label LBL The end of a program section repeat is identified by CALL LBL REP 0 BEGIN PGM o Operating sequence
20. CC remains in effect until you define a new pole CC Example NC blocks HEIDENHAIN TNC 406 TNC 416 109 6 5 Path Contours i Coordinates 6 5 Path Contours a Coordinates Straight line LP The electrode moves in a straight line from its current position to the straight line end point The starting point is the end point of the preceding block Polar coordinates radius PR Enter the distance trom the pole CC to the straight line end point Polar coordinates angle PA Angular position of the straight line end point between 360 and 360 The sign of PA depends on the angle reference axis E Angle from angle reference axis to PR is counterclockwise PA gt 0 E Angle from angle reference axis to PR is clockwise PA lt 0O Example NC blocks 6 Programming Programming Contours Circular path CP around pole CC The polar coordinate radius PR is also the radius of the arc It is defined by the distance from the starting point to the pole CC The last programmed electrode position before the CP block is the starting point of the arc ce If you are using an electrode with tool compensation in the XY plane you must rotate the electrode in synchrony with the angle on circular arcs For example for a semicircle you must rotate the C axis by 180 incremental Polar coordinates angle PA Angular position of the arc end point gt E Direction of rotation DR Example NC bloc
21. Coordinates Enter the coordinates of the straight line end point _ a lt x Select the radius compensation here press the RL soft key the tool moves to the left of the programmed contour Move the electrode on the straight line directly to the end point Enter the feed rate here 100 mm min and confirm your entry with ENT Choose rapid traverse for the electrode F F MAX Enter a miscellaneous function for example M37 Eroding OFF The part program now contains the following line HEIDENHAIN TNC 406 TNC 416 95 6 4 Path Contours oN sian Coordinates Inserting a chamfer CHF between two straight lines The chamfer enables you to cut off corners at the intersection of two Straight lines E The blocks before and after the CHF block must be in the same working plane E The radius compensation before and after the chamfer block must be the same E An inside chamfer must be large enough to accommodate the current tool The tool radius in the illustration at bottom right is too large Chamfer side length Input the length L without entering an axis designation Example NC blocks You cannot start a contour with a CHF block A chamfer is possible only in the working plane The feed rate for chamfering is the same as for the preceding block The corner point E is cut off by the chamfer and is not part of the contour
22. Desired erosion table Select power stage Define the tool Tool call Pre position to set up clearance Define Cycle 19 WORKING PLANE Tilt working plane about the B axis Pre position to center of disk Pre position over the workpiece surface Define Cycle 17 DISK Eroding depth Z 10 mm eroding ON Expansion radius RAD 2 mm circular expansion Retract diagonally to safety clearance eroding OFF Reset Cycle 19 WORKING PLANE 8 Programming Cycles 8 6 Other Cycles DWELL TIME Cycle 9 Function This cycle causes the execution of the next block within a running program to be delayed by the programmed dwell time Effect The cycle takes effect as soon as it is defined Modal conditions are not affected Input Enter the dwell time in seconds Input range O to 30 000 seconds approx 8 3 hours in increments of 0 001 seconds PGM CALL Cycle 12 Application and effect Routines that are programmed by the user such as special eroding cycles Curves or geometrical modules can be written as main programs and set equal to machining cycles These main programs can then be called like fixed cycles Input Enter the name of the program to be called Calling Cycle 12 PGM CALL The program is called with CYCL CALL separate block or M99 blockwise or M89 performed after every positioning block depending on machine parameters Cancellation You can cancel M89 cycle call after every block as follows With
23. F 33 5 4 Actual Position Capture 34 FUNCTION 84 6 1 General Information on Programming Electrode Movements 86 Path functions 86 Subprograms and program section repeats 86 General 92 Programmed machine axis movement 92 6 4 Path Contours Cartesian Coordinates 93 Overview of path functions 93 Straight line L 94 Inserting a chamfer CHF between two straight lines 96 Corner rounding RND 97 Circles and circular arcs 97 Circle center CC 98 Circular path C around circle center CC 100 Circular path CR with defined radius 101 Circular path CT with tangential connection 103 6 5 Path Contours Polar Coordinates 109 Overview 109 Polar coordinate origin Pole CC 109 Straight line LP 110 Circular path CP around pole CC 111 Circular path CTP with tangential connection 112 Helical interpolation 113 HEIDENHAIN TNC 406 TNC 416 7 1 Entering Miscellaneous Functions M and STOP 120 Fundamentals 120 7 2 Miscellaneous Functions for Program Run Control Electrode and Flushing 122 Overview 122 7 3 Miscellaneous Functions for Contouring Behavior and Coordinate Data 123 Introduction 123 Machining small contour steps M97 123 Machining open contours M98 124 Programming machine referenced coordinates M91 M92 124 Retracting electrode to block starting p
24. Functions 230 Overview of MOD functions 230 Position Display Types 231 Unit of measurement 231 System Information 232 Setting the external data interfaces 237 BAUD RATE 232 RS 232 C interface 232 12 2 External Data Transfer 233 Application examples 253 LSV 2 protocol 233 Protecting files 233 12 3 Menu for External Data Transfer 233 To select external data transfer 233 Windows for external data transfer 234 12 4 Selecting and Transferring Files 235 Selecting the transfer function 235 Selecting a file 235 Transferring files 235 Formatting disks 236 Deleting files 236 12 5 Software for Data Transfer 237 Software for data transfer 237 12 6 Enter Axis Traverse Limits 240 Introduction 240 12 7 Machine Specitic User Parameters 242 Function 242 12 8 Code Number 243 Function 243 12 9 Q Parameter Status Display 244 Function 244 HEIDENHAIN TNC 406 TNC 416 XII 13 1 General User Parameters 246 Entering machine parameters 246 Selecting the General User Parameters 246 13 2 Pin Layout and Connecting Cable for the Data Interfaces 254 RS 232 C V 24 Interface HEIDENHAIN devices 254 RS 422 V 11 Interface 255 13 3 Preparing the Devices for Data Transfer 256 HEIDENHAIN devices 256 Non HEIDENHAIN devices 25
25. Fundamentals positioning 42 spark erosion 58 G Graphic simulation 219 Graphics display modes 216 magnifying details 218 H Helical interpolation 113 Helix 113 I Indexed assignment 198 Interrupting machining 223 Index Index K Keyboard 5 M M functions See Miscellaneous functions Machine parameters electronic handwheels 252 eroding 247 for external data transfer 248 machining feed rate 246 override behavior 252 probing 249 TNC displays TNC editor 249 Machine referenced coordinates M91 M92 124 Measuring the basic rotation 27 Measuring with a probing electrode 33 determining corners 33 determining position 33 introduction 199 measuring angles 35 measuring height 201 measuring workpiece dimensions 34 probing with the electrode 200 Miscellaneous functions entering 120 for contouring behavior 123 electrode retraction M93 125 machine reterenced coordinates M91 M92 124 machining small contour steps M97 123 open contours M98 124 for electrode and flushing 122 for program run control 122 overview 122 vacant miscellaneous functions 126 Miscellaneous functions entering 36 MOD Function MOD functions changing 230 exiting 230 overview 230 position display types 231 selecting 230 setting the data interface 232 system information 2
26. LBLO Program CALL LBL for subprograms without REP Program CALL LBL for program section repeats to include the repetitions REP Subprograms cannot call themselves Subprograms cannot be nested more than 8 levels Main programs cannot be nested as subprograms in more than 4 levels 13 5 TNC Error Messages HEIDENHAIN TNC 406 TNC 416 261 Symbole 3 D view 217 A Accessories 13 237 Actual position capture 84 94 Additional 9 Auxillary axes 44 B Block scan 224 Blocks deleting 55 inserting editing 56 Bolt hole circles 210 C Calibration and setup 23 calibrating the probing electrode 25 measuring the basic rotation 27 select the touch probe function 24 using an electrode 23 writing probed values to tables 28 Cavity 212 Chamfer 96 Circles and circular arcs circle center 98 circular path 100 101 103 111 112 full circle 101 111 general 97 Contour approach and departure 88 end point 89 starting position 88 tangential approach and departure 91 Conversational format 54 Coordinate transformation see Cycles Corner rounding 97 Cycle 133 Cycles coordinate transformation DATUM SHIFT Cycle 7 156 MIRROR IMAGE Cycle 8 158 ROTATION Cycle 10 159 SCALING FACTOR Cycle 11 160 VVORKING PLANE Cycle 19 161 HEIDENHAIN TNC 406 TNC 416 Cycle 1 GENERATOR 133 Cycle 2 E
27. Repeats 176 Label LBL 176 Operating sequence 176 Programming notes 176 Resetting the program repeat counters after an interruption 176 Programming a program section repeat 176 Calling a program section repeat 177 9 4 Separate Program as Subprogram 178 Operating sequence 178 Programming notes 178 Calling any program as a subprogram 178 9 5 Nesting 179 Types of nesting 179 Nesting depth 179 Subprogram within a subprogram 179 Repeating program section repeats 180 Repeating a subprogram 181 VIII 10 1 Principle and Overview 186 Automatic deletion of Q parameters 186 10 2 Part Families Q Parameters in Place of Numerical Values Example NC blocks 187 Example 187 To assign numerical values to Q parameters 188 10 3 Describing Contours through Mathematical Operations Function 189 Overview 189 Programming example for basic mathematical operations 10 4 Trigonometric Functions 192 Definitions 192 Overview of functions 193 10 5 If Then Decisions with Q Parameters 194 Function 194 Unconditional jumps 194 Programming If Then decisions 194 Abbreviations used 195 10 6 Checking and Changing O Parameters 196 Procedure 196 10 7 Output of Q Parameters and Messages 197 Output of error messages T97 Output through an external data inter
28. Special Funct 10 9 Q Parameters with Special Functions Vacant Q parameters Q parameters QO to Q79 are freely programmable The TNC always uses the last numerical value assigned to these Q parameters see Chapter 8 When programming part families with Q parameters you should only use vacant Q parameters This ensures that the TNC does not overwrite a parameter used in the program Preassigned Q parameters The TNC always assigns the same values to the following Q parameters e g the electrode radius or the current generator power stage Q parameters with special functions Some O parameters have special functions For example the TNC uses these parameters to transfer values between the program and the datum table Q80 to 084 Preassigned Q parameters Additional erosion parameters 096 Q97 Q98 If you work with erosion tables the machine tool builder can store additional erosion parameters in the Q parameters O96 Q97 and O98 The machine tool builder can give you more information about these Q parameters 202 10 Programming Q Parameters Data from the erosion table When you are working with an erosion table the following erosion parameters are also available in Q parameters Current power stage LS Q99 Surface finish um Q148 Highest power stage Q150 Lowest power stage 151 Number of the active erosion table Q152 Minimum undersize UNS of the lowest Q154 power stage mm Two times gap 2G o
29. TNC references coordinates to the workpiece datum 7 Programming Miscellaneous functions Behavior with M91 Machine datum If you want the coordinates in a positioning block to be referenced to the machine datum end the block with M91 The coordinate values on the TNC screen are referenced to the machine datum Switch the display of coordinates in the status display to REF see also Status Display on page 9 Behavior with M92 Additional machine datum x In addition to the machine datum the machine tool builder can also define an additional machine based position as a reference point For each axis the machine tool builder defines the distance between the machine datum and this additional machine datum Refer to the machine manual for more information If you want the coordinates in a positioning block to be based on the additional machine datum end the block with M92 CES Radius compensation remains the same in blocks that are programmed with M91 or M92 The tool length however is not compensated Effect M91 and M92 are effective only in the blocks in which they are programmed M91 and M92 take effect at the start of block Workpiece datum The position of the datum for the workpiece coordinates is defined in the MANUAL OPERATION mode see also Datum Setting on page 22 The user enters the coordinates of the datum for workpiece machining in this mode Retracting electrode to block starting poi
30. after flushing After flushing the electrode gap the TNC moves the electrode back towards the workpiece but stops at a certain distance from the workpiece This distance is entered in MP2051 Advanced stop for oscillator signal At the end of a programmed eroding time the TNC moves the electrode back towards the workpiece When the electrode reaches the distance from the workpiece that was entered in MP2052 the TNC reactivates the oscillator signal of the generator This ensures that the TNC always receives the correct analog gap signal when switching from positioning to gap control Rotational speed of the C axis with M3 M4 When M3 or M4 are programmed the C axis rotates at the speed entered in this user parameter Duration of the free run signal after eroding The duration of the free run signal when the programmed eroding step is completed is determined in this user parameter Arc detection The TNC recognizes an arc that exists as long as defined in this user parameter Free run feed rate only with gap control via gap signal If the voltage at the analog input is greater than the threshold for the free run feed rate the TNC positions the electrode at the feed rate entered in this machine parameter HEIDENHAIN TNC 406 TNC 416 MP2040 0 1 to 10 MP2050 0 to 2 mm MP2051 0 to 2 mm MP2052 0 to 2 mm MP2090 0 to 100 rom MP2110 0 1 to 99 9 s MP2120 1 to 99 9 s MIP2141 0 to 3000
31. be mathematically possible HEIDENHAIN TNC 406 TNC 416 259 13 5 TNC Error Messages Path offset wrongly ended Path offset wrongly started CYCL incomplete BLK FORM definition incorrect Axis double programmed Plane wrongly defined Wrong axis programmed Chamfer not permitted No editing of running program Gross positioning error Circle end position incorrect Label number not found PGM section cannot be shown Rounding off undefined Rounding radius too large Key non functional 260 Do not cancel electrode radius compensation in a block with a circular path Use the same radius compensation before and after a RND and CHF block Do not begin electrode radius compensation in a block with a circular path Define the cycles with all data in the proper sequence Do not call the coordinate transtormation cycles Before calling a cycle define Cycle 12 PGM CALL Program the MIN and MAX points according to the instructions Choose a ratio of sides that is less than 64 1 If you call another program PGM CALL copy the BLK FORM to the main program Each axis can have only one value for position coordinates Do not change the electrode axis while a basic rotation is active Correctly define the main axes for a circular arc Define both main axes for CC Do not attempt to program locked axes Do not mirror rotary axes Enter a positive chamfer length A chamfer block must be located between two
32. below the star grip You can only move the machine axes when an permissive button is depressed machine dependent function The HR 410 handwheel features the following operating elements EMERGENCY STOP Handwheel Permissive buttons Axis address keys Actual position capture key Keys for defining the feed rate slow medium fast the feed rates are set by the machine tool builder 7 Direction in which the TNC moves the selected axis 8 Machine function set by the machine tool builder ow Rh WN The red indicators show the axis and feed rate you have selected It is also possible to move the machine axes with the handwheel during a program run To move an axis Select the Jog Increment mode Press and hold the permissive button Select the axis x Select the feed rate z Move the active axis in the positive or negative direction D o HEIDENHAIN TNC 406 TNC 416 19 2 2 Moving the waeninres 2 2 Moving the Machine 4 makes sparking contact the TNC stops positioning in the direction of the workpiece and only permits retracting in the opposite direction Also the axes cannot be switched After they have been retracted at least 10 um the TNC switches back to normal Handwheel operation mode This function is not active while the reference marks are being traversed att If short circuit monitoring is active When the electrode The axes can also be positioned with the
33. button Example Programming and processing a line Select operating mode Positioning with MDI Select the axis and enter the end point coordinates of the line and the feed rate i e L X 125 R F100 M E Conclude entry G Start positioning block 3 Positioning with Manual Data Input MDI Protecting and erasing programs in MDI The MDI file is generally intended for short programs that are only needed temporarily Nevertheless you can store a program if necessary by proceeding as described below Select the Programming and Editing mode of operation To call the file manager press the PGM MGT key program management Move the highlight to the MDI file COPY To select the file copying function press the COPY Maem soft key 74523 Enter the name under which you want to save the current contents of the MDI file End the copying process with the ENT key ENT Erasing the contents of the MDI file is done in a similar way Instead of copying the contents however you erase them with the DELETE soft key The next time you select the operating mode Positioning with MDI the TNC will display an empty MDI file E If you wish to delete MDI then you must not have selected the Positioning with MDI mode you must not have selected the MDI file in the Programming and Editing mode HEIDENHAIN TNC 406 TNC 416 39 ith Manual Data i MDI itioning w 3 1 Po
34. data are always referenced to a predetermined point and are described through coordinates The Cartesian coordinate system a rectangular coordinate system is based on the three coordinate axes X Y and Z The axes are mutually perpendicular and intersect at one point called the datum A coordinate identifies the distance from the datum in one of these directions A position in a plane is thus described through two coordinates and a position in space through three coordinates Coordinates that are referenced to the datum are referred to as absolute coordinates Relative coordinates are referenced to any other known position datum you define within the coordinate system Relative coordinate values are also referred to as incremental coordinate values HEIDENHAIN TNC 406 TNC 416 X ZY Mi 43 ioning t OSI 4 1 Fundamentals 2 Reference system with EDMs f When using an EDM you orient tool movements to the Cartesian coordinate system The illustrations at right show how the Cartesian rar coordinate system describes the machine axes The figure at center right illustrates the right hand rule for remembering the three axis S directions the middle finger is pointing in the positive direction of the tool axis from the workpiece toward the tool the Z axis the thumb is pointing in the positive X direction and the index finger in the positive Y direction Th
35. electronic handwheel in the PROGRAMMING AND EDITING mode You must set machine parameter MP7655 1 Incremental jog positioning With incremental jog positioning you can move a machine axis by a preset distance i Incremental Jog Positioning must be enabled by the machine tool builder Refer to your machine manual A Select the Jog Increment mode 4 Enter interpolation factor i e 4 Go to JOG INCREMENT 8 Enter the jog increment in millimeters e 8 mm x The axis moves by the jog increment every time an external axis direction button is pressed Positioning with manual data input MDI Positioning with manual input of the target coordinates is described in Chapter 3 see Positioning with Manual Data Input MDI on page 38 20 2 Manual Operation Setup and Probing Functions Eroding a workpiece manually The MANUAL and JOG INCREMENT modes of operation enable you to erode a workpiece manually This function is especially useful for initial erosion and datum setting The present gap must be taken Into account when setting the datum iE Prerequisite Cycle 1 GENERATOR must be active Procedure Select the MANUAL or JOG INCREMENT mode of operation Switch on the generator with M36 Use the axis direction buttons to preposition the electrode in the working plane During free run of the electrode the manual feed rate is effective Move the electrode with the axis direction button unt
36. parameters for a particular machining sequence Using erosion tables in a program If you want to work with erosion tables in a program you must copy Cycle 1 GENERATOR into the program see Cycle 1 GENERATOR on page 133 In this cycle you declare what erosion table you are working with Working without an erosion table It is also possible to work without an erosion table In this case the TNC stores the erosion parameters in the Q parameters Q90 to Q99 see Preassigned Q parameters on page 202 Your machine manual provides more information on these Q parameters Ready to use erosion tables The machine builder can prepare erosion tables and store them in the TNC s ROM Proceed as follows if you want to work with these erosion tables Press the PGM NAME key in the PROGRAMMING AND EDITING mode of operation Press the ROM soft key The machine tool builder can give you additional information on these erosion tables HEIDENHAIN TNC 406 TNC 416 61 4 6 i Tables 4 7 Parameters in the Erosion Table 2 You can enter the following erosion parameters in one erosion table Meaning Range 2 T Power stage NR 25 to 1 2 Low voltage current LV O to 99 rab High voltage current HV Oto 9 os Gap voltage GV O to 99 Pulse on duration TON O to 999 N D Pulse off duration TOFF O to 255 D Servo sensitivity SV O to 99 Auto jump distance AJD 0 to 99 9 mm Erosion
37. planes When you program a circle the TNC assigns It to one of the main planes This plane is automatically defined when you set the electrode axis during an electrode call TOOL CALL Z XY also UV XV UY Y ZX also WU ZU WX X YZ also VW YW VZ iE You can program circles that do not lie parallel to a main plane by using Q parameters HEIDENHAIN TNC 406 TNC 416 99 inates Coord fesian 6 4 Path Contours Ca 6 4 Path Contours oe ian Coordinates Circular path C around circle center CC Before programming a circular path C you must first enter the circle center CC The last programmed tool position before the C block is used as the circle starting point GF If you are using an electrode with tool compensation in the XY plane you must rotate the electrode in synchrony with the angle on circular arcs For example for a semicircle you must rotate the C axis by 180 incremental Move the tool to the circle starting point Coordinates of the circle center gt Enter the coordinates of the arc end point Direction of rotation DR Further entries if necessary Linear coordinates Feed rate F Miscellaneous function M Example NC blocks Full circle To program a Tull circle you must enter two C blocks in succession The end point of the first semicircle is the starting point of the second circle The end point of the second semicircle is the starting point of the f
38. press the machine START button Position the probing electrode near the second touch point on the same side To probe the workpiece press the machine START button Probe two points on the next edge in the same manner Datum Enter both datum coordinates into the menu window and confirm your entry with the ENT key To terminate the probe function press the END key HEIDENHAIN TNC 406 TNC 416 X 31 th a Probing D i ing wi 2 5 Datum Sett th a Probing M ing wi 2 5 Datum Sett Circle center as datum With this function you can set the datum at the center of bore holes circular pockets cylinders studs circular islands etc Inside circle The TNC automatically probes the inside wall in all four coordinate axis directions For incomplete circles circular arcs you can choose the appropriate probing direction Move the electrode to a position approximately in the center of the circle PROBING To select the probe function press PROBING CC CC To probe the workpiece press the machine START button four times The touch probe touches four points on the inside of the circle Datum Enter both circle center coordinates into the menu window and confirm your entry with ENT To terminate the probe function press the END key Outside circle PROBING To select the probe function press PROBING CC cc Move the probing electrode to a position near the first touch point outside of
39. probing 29 Workpiece center as datum 30 Corner as datum 31 Circle center as datum 32 2 6 Measuring with a Probing Electrode 33 Introduction 33 To find the coordinate of a position on an aligned workpiece BO Finding the coordinates of a corner in the working plane Ja Measuring workpiece dimensions 34 Measuring angles 35 2 7 Entering and Starting Miscellaneous Functions M 36 Entering values 36 3 1 Positioning with Manual Data Input MDI 38 Positioning with manual data input MDI 38 Protecting and erasing programs in MD I 39 4 1 Fundamentals of Positioning 42 Introduction 42 What is NC 42 The part program 42 Programming 42 Position encoders and reference marks 43 Reference system 43 Reference system with EDMs 44 Programming electrode movement 44 Polar coordinates 45 Absolute and incremental workpiece positions 46 Setting the datum 47 4 2 Files 48 File directory 48 Selecting copying deleting and protecting files 50 4 3 Creating and Writing Programs 51 Organization of an NC program in HEIDENHAIN conversational format 51 Defining the blank form BLK FORM 51 Creating a new part program 52 Programming tool movements in conversational format 54 Editing a program D5 4 4 Automatic Workpiece Change with WP Call 57
40. program section repeat see Program Section Repeats on page 1 76 If you are using an electrode with tool compensation in the XY plane you must rotate the electrode in synchrony with the angle on circular arcs Enter the same angle in incremental dimensions for the C axis as for the total angle Polar coordinates angle Enter the total angle of tool traverse along the helix in incremental dimensions After entering the angle identify the tool axis with an axis selection key Coordinate Enter the coordinate for the height of the helix in incremental dimensions Enter the coordinate for the angle synchronous rotation of the electrode in incremental dimensions e g IC 1800 Direction of rotation DR Clockwise helix DR Counterclockwise helix DR Radius compensation RL RR RO Enter the radius compensation according to the table above Example NC blocks Thread M6 x 1 mm with 5 revolutions 114 6 Programming Programming Contours HEIDENHAIN TNC 406 TNC 416 Define the workpiece blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table CUST1 Set power stage Define electrode in the program Call electrode in the infeed axis undersize 1 5 mm Define the datum for polar coordinates Retract in the infeed axis orient electrode eroding OFF Pre position in X and Y rapid traverse Move to working depth Approach the co
41. programmed in a single NC block are moved simultaneously Paraxial movements The electrode moves in path parallel to the programmed axis Number of axes programmed in the NC block 1 Movement in the main planes The electrode moves to the programmed position in a straight line or circular arc in a plane Number of axes programmed in the NC block 2 Movement of three machine axes 3 D movement The electrode moves in a straight line to the programmed position Number of axes programmed in the NC block 3 Exception A helical path is created by combining circular movement with linear movement 92 L X 70 Y 50 L X 80 Y 0 Z 10 6 Programming Programming Contours 6 4 Path Contours Cartesian tes Coordinates 5 Overview of path functions Oo The path function keys define the type of contour element and open a e programming dialog Function Path function key Toolmovement Requiredinput ____________ Line L Straight line Coordinates of the end points of ET the straight line eb No tool movement Coordinates of the circle center or pole Circle Center CC Circular arc around a circle center Coordinates of the arc end point CC to an arc end point direction of rotation Circle C Circular arc with a certain radius Coordinates of the arc end point arc radius direction of rotation Circular Arc CR Circular arc with tangential Coordinates of the arc end point connection to the preced
42. several times in a program you can save time and reduce the chance of programming errors by entering the sequence once and then defining it as a Subprogram or program section repeat Programming variants Repeat a machining routine immediately after it is executed program section repeat Writing a machine routine separately and then Inserting it into a program Subprogram Calling a separate program for execution or test run within the main program program call 86 6 Programming Programming Contours Cycles The ORBIT erosion cycle is the basis for user specific machining tasks This cycle allows you to program features such as conical and rounded cavities You can also define the eroding time for this cycle Further cycles for coordinate transformations are available These can be used to change the coordinates of a machining sequence in a defined way Examples Datum shift Mirroring Basic rotation Enlarging and reducing The TOOL DEF cycle allows you to enter compensation values for the electrode dimensions tool data Parametric programming With parametric programming instead of programming numerical values you enter markers called parameters which are defined through mathematical functions or logical comparisons You can use parametric programming for Conditional and unconditional jumps Probing for measurements with an electrode during program run Output of values and messages Transferring value
43. the ENT key 5 Enter the number of the O parameter 5 gt op cL Q gt 49 lt D C 49 O co O O O1 190 Example Program blocks in the TNC 10 Programming O Parameters Assign the product of O5 and Q7 to Q12 To select Q parameter functions press the Q key Select the function directly Press GOTO and enter the number of the function for example FN3 or 12 ENT Enter the number of the O parameter 12 O Sz m ot 49 s O O1 h O s ot 2 49 h Ss 02 ot lt lt 4D 10 3 Describing Contours i Mathematical Operations Q7 Enter 7 for the second value HEIDENHAIN TNC 406 TNC 416 191 10 4 Trigonometric Functions 10 4 Trigonometric Functions Definitions Sine cosine and tangent are terms designating the ratios of sides of right triangles For a right triangle the trigonometric functions of the angle a are defined by the following equations Sine sina a c Cosine cosa b c Tangent tana a b sina cosa where c is the side opposite the right angle a is the side opposite the angle a b is the third side The TNC can find the angle from the tangent a arctan a b arctan sin a cos a Example a 10 Mmm b 10 Mmm a arctan a b arctan 1 45 Furthermore a2 b2 c2 where a2 axa cC V a b 192 10 Programming Q Parameters Overview of functions FN6
44. the circle Select the probe direction with a soft key To probe the workpiece press the machine START button Repeat the probing process for the remaining three points See figure at lower right Enter the coordinates of the circle center After the probing procedure is completed the TNC displays the coordinates of the circle center and the circle radius PR on the monitor 32 2 Manual Operation Setup and Probing Functions 2 6 Measuring with a Probing Electrode Introduction An electrode can be used to determine position coordinates and from them dimensions and angles on the workpiece To find the coordinate of a position on an aligned workpiece PROBING Select the probing function by pressing PROBING Pos POS Move the probing electrode to a starting position near the touch point Select the probe direction and axis of the coordinate Use the corresponding soft keys for selection To probe the workpiece press the machine START button The TNC shows the coordinates of the touch point as datum Finding the coordinates of a corner in the working plane Find the coordinates of the corner point as described under Corner as datum The TNC displays the coordinates of the probed corner as datum HEIDENHAIN TNC 406 TNC 416 33 th a Probing D ing wi 2 6 Measur th a Probing mn ing wi 2 6 Measur Measuring workpiece dimensions Pposina Select the probing funct
45. the erosion tables as in the NC program HEIDENHAIN TNC 406 TNC 416 63 Power stage NR The power stages determine the type of machining roughing H finishing or polishing Recommended input E7 Roughing NR 15 to 10 Finishing NR 10 to 6 Fine finishing NR 6 to 1 Polishing NR 5 Input range 15 25 to 1 in decreasing order To change the power stage in the program The current power stage is given by Q parameter O99 If you change Q99 you also change the power stage Low voltage current LV i The machine tool builder can give you information on this erosion parameter Refer to your machine tool manual eb aias re N eb ad lt 0 N a Input range O to 99 in up to 100 increments High voltage current HV i The machine tool builder can give you information on this erosion parameter Refer to your machine tool manual Input range O to 9 in up to 10 increments Gap voltage GV The TNC adjusts the width of the gap between the electrode and the workpiece by controlling the gap voltage The nominal gap voltage GV should be chosen with care Setting If the gap voltage is too high the rate of stock removal will be too low If the gap voltage is too low irregularities will occur arcing short circuiting 64 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Pulse on duration and pulse off duration The pulse on dura
46. the feed rate for example F 100 mm min CS The TNC does not always ask for FMAX Rapid traverse For rapid traverse you can enter F FMAX The rapid traverse can also be programmed directly FMAX is only effective in the program block in which it is programmed Duration of feed rate F A feed rate entered as a numerical value remains in effect until the control encounters a block with a different feed rate If the new feed rate is FMAX then after the block with FMAX is executed the feed rate will return to the last feed rate entered as a numerical value Feed rate override You can adjust the feed rate with the override knob on the TNC keyboard HEIDENHAIN TNC 406 TNC 416 83 Related Data 5 3 Entering Electrode 5 4 Actual I ion Capture 5 4 Actual Position Capture Function The coordinates of the electrode position can be transferred into the part program with the actual position capture feature You can also use this feature to transfer the electrode length directly into the program also see To enter the electrode data into a program block on page 73 GF When the ACTL ACT W NOML NOM W or REF positions are being displayed the TNC takes the value from the position display When the DIST or LAG positions are being displayed the TNC uses the associated nominal value Actual position capture W Select the MANUAL OPERATION mode Move the electrode to the position that you wish t
47. tool radius Compensation values Tool call Pre position Eroding HEIDENHAIN TNC 406 TNC 416 147 The program GEOMETR describes the geometry of the contour The program is called through Cycle 14 CONTOUR GEOMETRY The form electrode moves into the material step by step according to counting parameter Ob The scaling factor is decreased after each infeed resulting in the diagonal side wall 8 4 Erosion Cycles Machine parameter MP7410 1 meaning the scaling factor does not apply to the Z axis Yi Start of program Define the workpiece blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table HDH700 Select power stage 13 Define the tool Tool call Set up clearance orient electrode eroding OFF Pre positioning Counting parameter Scaling factor Contour radius semicircle Auxiliary parameters for pre positioning in Y direction lt A gt oO Q 3 Parameter for spark out distance in percent 48 8 Programming Cycles O O or te e Q Q 3 HEIDENHAIN TNC 406 TNC 416 The diametrical gap according to the current power stage is assigned to Q11 see Indexed assignment on page 198 Calculation of the vertical gap Pre positioning with vertical gap eroding ON Label number SCALING cycle see SCALING FACTOR Cycle 11 on page 160 Pre positioning
48. traverse and external direction axis direction button pressed Override effective 4 Override not effective 0 Set interpolation error MP7670 0 Slow handwheel interpolation error 0 10 MP7670 1 Medium handwheel interpolation error 0 10 MP7670 2 Fast handwheel interpolation error 0 10 252 13 Tables and Overviews Feed rate of the direction keys on the MP7671 0 handwheel in percent compared to the Slow feed rate 0 10 machine axis direction buttons on the MP7671 1 operating panel Medium feed rate 0 10 MP7671 2 Fast feed rate 0 10 HEIDENHAIN TNC 406 TNC 416 253 13 1 General User Parameters 13 2 Pin Layout ei Connecting Cable for the Data Interfaces 13 2 Pin Layout and Connecting Cable for the Data Interfaces RS 232 C V 24 Interface HEIDENHAIN devices External HEIDENHAIN RS 422 Adapter HEIDENHAIN X21 device standard cable block connecting cable TNC 1m max 17 m Id Nr 274 545 01 Id Nr 239 758 01 Id Nr 239 760 xx GND GND Signal Ground GND 1 1 1 1 1 GND Chassis TXD 2 2 2 2 2 RXD Receive Data RXD 3 3 3 3 3 TXD Transmit Data RTS 4 4 4 4 4 CTS Clear To Send GIS 5 5 3 5 5 RIS Request To Send DSR 6 6 6 6 6 DTR Data Terminal Ready 7 7 7 7 7 8 8 8 8 8 DTR DSR Data Set Ready tE The connector pin layout on the adapter block differs from that on the TNC logic unit X21 The connector pin layout of a non HEIDENHAIN device may differ considerably from that on a HEIDENHAIN de
49. xx Cycle 14 CONTOUR GEOMETRY see also Cycle 14 CONTOUR GEOMETRY on page 137 Q parameters for the roughness see also Data from the erosion table on page 203 Q parameters for the gap size see also Gap size LS max when machining which Cycle 1 GENERATOR 0164 on page 206 After manual traverse the incremental coordinates always refer to the actual position see also Resuming program run with the GOTO key on page 226 Expansion of the tool table with tool pocket number tool undersize and radius see also Entering electrode data in tables on page 74 Probed values can be written to a datum table as well as to a tool table see also Writing probed values to tables on page 28 Enhancement of functions FN14 and FN15 see also Output of O Parameters and Messages on page 197 M108 M109 see Overview of Miscellaneous Functions on the inside rear cover of this manual HEIDENHAIN TNC 406 TNC 416 Contents User s Manual TNC 406 280 620 xx TNC 416 286 180 xx Introduction anual Operation Setup and Probing Functions ositioning with Manual Data Input L Programming Miscellaneous Functions ogramming ne pa rp Files Program Entry Spark Erosion Erosion Tables rogramming Tools rogramming Programming Contours fogramming Cycles Programming Subprograms Program Section Repeats Programming Q Parameters est Run and Program Run AOD Functions fabl
50. 0 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 01 01 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 70 01 00 00 r Control r File status r Connection TNC 406 Free 130 kByte Total 75 Masked 75 Protocol v2 Serial port eom2 Baud rate eo Connection established Astan Q Explorer Tne416 2 Posteingang Microsoft 0 X Paint Shop Pro Bild fe lt Standard gt TNCrem 239 12 5 Software for Data Transfer ts Imi 12 6 Enter Axis Traverse L 12 6 Enter Axis Traverse Limits Introduction The AXIS LIMIT mod function allows you to set limits to axis traverse within the machine s actual working envelope Example application To protect an indexing fixture against tool collision The maximum range of traverse of the machine tool is defined by software limit switches This range can be additionally limited with the AXIS LIMIT mod function With this function you can enter the maximum and minimum traverse positions for each axis referenced to the machine datum Working without additional traverse limits To allow a machine axis to use its full range of traverse enter the maximum traverse of the TNC 30 000 mm as the AXIS LIMIT To find and enter the maximum traverse select POSITION DISPLAY REF Move the spin
51. 1 1 Flushing OFF MO9 active Q111 0 Flushing ON MO8 active Olt 1 Plane of rotation during ROTATION Cycle Q112 No plane defined Q112 1 Y Z plane Q112 0 Z X plane Q112 1 X Y plane Q112 2 Dimensions of the main program Q113 Directly after program selection Metric system mm Inch system inches 204 Q113 1 Q113 0 Clie 10 Programming O Parameters Dimensions in the erosion table 0114 Directly after table selection Q114 1 Metric system mm Q114 0 Inch system inches Q114 1 Coordinates after probing during program run Q115 to Q119 The parameters Q115 to Q119 contain the coordinates of the spindle position in the machine system at the moment of contact during programmed measurement with the probing electrode The length and radius of the probing electrode are ignored in these coordinates X axis Q115 Y axis Q116 Z axis Q117 IVth axis Q118 Vth axis Q119 Coordinates after probing during program run Q120 to Q124 The parameters Q120 to Q124 contain the coordinates of the spindle position in the workpiece system at the moment of contact during programmed measurement with the probing electrode The length and radius of the probing electrode are ignored in these coordinates X axis Q120 Y axis Q121 Z axis Q122 IVth axis Q123 Vth axis Q124 HEIDENHAIN TNC 406 TNC 416 205 10 9 Q j i with Special Functions Ions ameters with Special Funct Status for eroding with ti
52. 2 Y Q2 CYCL DEF 10 0 ROTATION CYCL DEF 10 1 ROT Q8 FN2 Q35 Q6 Q5 FN4 035 Q35 DIV Q7 FNO Q37 0 FN7 Q36 COS Q5 FN3 021 Q3 Q36 FN7 Q36 SIN Q5 FN3 022 Q4 Q36 L X Q21 Y Q22 RO F MAX M36 L Z Q12 RO F MAX M L Z Q9 RO FQ10 M LBL 1 FN1 Q36 Q5 Q35 FN1 Q37 Q37 1 FN7 038 COS Q36 FN3 Q21 Q3 Q38 FN6 Q38 SIN Q36 FN3 Q22 Q4 Q38 L X Q21 Y Q22 RO FQ11 M FN 12 IF Q37 LT Q7 GOTO LBL 1 CYCL DEF 10 0 ROTATION CYCL DEF 10 1 ROT 0 CYCL DEF 7 0 DATUM SHIFT CYCL DEF 7 1 X 0 CYCL DEF 7 2 Y 0 L Z Q12 RO F MAX M37 LBL 0 END PGM ELLIPSE MM HEIDENHAIN TNC 406 TNC 416 Retract electrode Call machining operation Retract in the tool axis end program Subprogram 10 Machining operation Shift datum to center of ellipse Account for rotational position in the plane Starting angle end angle Calculate angle increment Set counter Calculate X coordinate for starting point Calculate Y coordinate for starting point Move to starting point in the plane eroding ON Pre position in tool axis to setup clearance Move to working depth Update the angle Update the counter Calculate the current X coordinate Calculate the current Y coordinate Move to next point Unfinished If not finished return to LBL 1 Reset the rotation Reset the datum shift Move to safety clearance eroding OFF End of subprogram 209 10 9 Q Parameters with Special Functions Ions Program s
53. 32 unit of measurement 231 M Modes of operation 6 Moving the machine axes 18 in increments 20 with the electronic handwheel 19 with the machine axis direction buttons 18 N Nesting 179 O Open contours M98 124 P Parametric programming See Q parameter programming Path contours Cartesian coordinates circular arc with tangential connection 103 circular path around circle center CC 100 circular path with defined radius 101 full circle 100 101 Overview 93 straight line 94 polar coordinates circular arc with tangential connection 112 circular path around pole CC 111 full circle 111 overview 109 Straight line 110 Path functions fundamentals 86 92 Pin layout for data interfaces 254 Plan view 217 Polar coordinates fundamentals 45 programming 109 Positioning in increments 20 with manual data input MDI 20 38 Principal axes 44 P Program editing 55 open new 52 structure 51 Program call program as subprogram 178 Program run executing 223 interrupting 223 overview 222 resuming after an interruption 225 resuming with the GOTO key 226 returning to the interruption spot 226 Program section repeat 176 Programming a workpiece change 57 Programming tool movements 54 Projection in 3 planes 217 Q Q parameters checking 196 outputting O p
54. 6 13 4 Technical Information 257 13 5 TNC Error Messages 259 TNC error messages during programming 259 TNC error messages during test run and program run 259 1 1 The TNC 406 the TNC bers 1 1 The TNC 406 the TNC 416 Controls The TNC 406 and the TNC 416 are shop floor programmable contouring controls for EDM machines with up to five axes Visual display unit and keyboard The 14 inch color monitor TNC 406 and 15 inch color monitor TNC 416 display all information necessary for effective use of the TNC s capabilities Program entry is Supported by soft keys on the monitor The keys on the operating panel are grouped according to function This makes it easier to create programs and use the TNC s functions Programming The user programs the TNC 406 TNC 416 right at the machine with interactive conversational type guidance Graphics Workpiece machining can be graphically simulated Various display modes are available Compatibility The TNC 406 TNC 416 can execute all programs whose commands belong to the command set of the TNC 406 TNC 416 1 Introduction 1 2 Visual Display Unit and Keyboard Visual display unit The TNC 406 is delivered with the BC 110 color monitor CRT the TNC 416 can be delivered with the BC 120 color monitor CRT or the BF 120 flat screen color monitor TFT The figure at top right shows the keys and controls on the BC 120 and the figure at bottom right
55. Cycle 14 Contour Geometry see Cycle 14 CONTOUR GEOMETRY on page 137 Incremental eroding depth eroding ON Name of the contour program Spark out distance in percent Retract eroding OFF New scaling factor Decrease counter Jump to LBL1 if counter does not equal zero Set up clearance eroding OFF End of program Current position as center of circle Calculate diameter Traverse contour block 3 to 5 149 8 4 Erosion Cycles 8 4 Erosion Cycles lt D O JJ mr 5 ct gt D Q aa e Q Q 3 Ol Workpiece geometry Cavity diameter D 24 mm Eroding depth T 10 mm Electrode data Cylindrical electrode Electrode radius Re 9 9 mm Electrode undersize U 4 2 mm Determining the eroding gap B through indexed assignment Calculation of the expansion radius Expansion radius for Cycle 16 ORBIT RAD 0 5 UM UNS RAD 0 5 o D Re 0 5 e UNS Example 1 top illustration Pre position over the workpiece surface circular expansion Example 2 bottom illustration Erode to 10 mm depth circular expansion without pecking L x D 3 p D om Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Desired erosion table Maximum power stage 10 minimum power stage 5 Electrode radius Undersize Pre position to set up clearance eroding OFF Pre position over the workpiece surface Assign incremental
56. EU milo E X M MAX M 2o RO F100 MESAS 4 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Continue the dialog Ignore the dialog question mz Z End the dialog immediately Abort the dialog and erase the block DEL D Editing a program While you are creating or editing a part program you can select any desired line in the program or individual words in a block with the arrow keys or the soft keys Go to the previous page Go to the next page Move from one block to the next Select individual words in a block lt 4 V V GR m m 4 D B Set the selected word to zero Erase an incorrect number Clear a non blinking error message 00B uS EuS GL Delete the selected word ms Z 45 Delete the selected block DEL E Erase cycles and program sections First select the last block of the cycle or program section to be erased then erase with the DEL key oR HEIDENHAIN TNC 406 TNC 416 55 4 3 Creating and Wri u Programs Inserting blocks at any desired location Select the block after which you want to insert a new block and initiate the dialog Editing and inserting words Select a word in a block and overwrite it with the new one The plain language dialog is available while the word is highlighted V Len O O pe am To accept the change press the END key If you want to insert a word press the horizontal arrow key repe
57. IP6141 10 to 400 ms MP6150 1 to 30 000 mm min MP7210 TNC with machine 0 TNC as programming station with active PLC 1 TNC as programming station with inactive PLC 2 249 13 1 General User Parameters 13 1 General User Parameters Disabling file types MP7224 is bit coded If bit 2 is set new tool tables cannot be created Existent tool tables may still be edited but the changes will be ignored in program run Dialog language Protect OEM cycles in the TNC memory Inhibit EL CALL and WP CALL soft keys Number of pockets in the tool magazine Permit multiple assignment of pocket numbers Aside from pocket number 0 you can prevent a pocket from being assigned more than once Display feed rate 250 MP7224 Not disabled 0 File type disabled for Bit O vacant Bit 1 vacant Bit 2 tool table 4 All other bits are vacant MP7230 Input value O to 3 Languages for software 280620 English 0 German 1 French 2 Italian 3 Languages for software 280621 English 0 German 1 Swedish 2 Finnish 3 Languages for software 280622 English 0 German 1 Czech 2 Reserved 3 MP7240 Protect OEM cycles 0 Do not protect OEM cycles 1 MP7241 Do not display oft keys 0 Display oft keys 1 MP7261 0 to 999 MP7265 Assign pocket number only once 1 Assign pocket number several times 0 MP7271 Display feed rate F 0 Do not display feed rate F 1 13 Tables and Overviews Display o
58. M99 the program is called one more time With CYCL CALL the program is called one more time By redefining Cycle 12 HEIDENHAIN TNC 406 TNC 416 171 8 6 Other Cycles Example Program call A callable program 50 is to be called into a program via a cycle call The part program 8 6 Other Cycles 172 8 Programming Cycles E 9 1 Labeling Subprogram A Program Section Repeats 9 1 Labeling Subprograms and Program Section Repeats Subprograms and program section repeats enable you to program a machining sequence once and then run it as often as desired Labels The beginnings of subprograms and program section repeats are marked in a part program by labels A label is identified by a number between 1 and 254 Each label can be set only once with LABEL SET in a program ce If a label is set more than once the TNC sends an error message at the end of the LBL SET block LABEL O LBL 0 is used exclusively to mark the end of a subprogram and can therefore be used as often as desired For a better overview in this program window LBL blocks and CALL LBL blocks are indented to the left by one character 174 9 Programming Subprograms and Program Section Repeats 9 2 Subprograms Operating sequence 1 The TNC executes the part program up to the block in which a subprogram is called with CALL LBL 2 The subprogram is then executed from beginning to end The subprogram end is marked LBL O
59. MAGE wh SCALING m 1 600088 Tilting the working plane TILT 1 Active basic rotation 2 Active tilting angle eC BASIC ROTATION 0 GGG TILT ANGLE 8 00G A K E 0 00G C 20 008 12 1 Introduction 1 5 Accessory Electronic Handwheels from HEIDENHAIN HR electronic handwheels The electronic handwheels facilitate precise manual control of the axis slides Similar to a conventional machine tool you move the machine slide a defined distance by turning the handwheel A wide range of traverses per revolution is available Portable handwheels such as the HR 410 are connected via cable to the TNC Integral handwheels such as the HR 130 are built into the machine control panel Your machine manufacturer can tell you more about the handwheel configuration of your machine HEIDENHAIN TNC 406 TNC 416 13 Electronic Handwheels from ni 1 5 Accessory E 2 1 swifll on 2 1 Switch on Switch on i Switch on and traversing the reference points can vary depending on the individual machine tool Refer to your machine manual Switch on the power supply for control and machine The TNC automatically initiates the following dialog The TNC memory is automatically checked TNC message that the power was interrupted clear the message The PLC program of the TNC is automatically compiled Switch on external dc voltage The TNC checks the functioning of the EMERGENCY STOP circuit
60. PLANE Cycle 19 Function With Cycle 19 it is possible to tilt linear traverse and machining with Cycle 16 ORBIT Cycle 17 DISK or an OEM cycle at random in a 3 D plane Thus execution of inclined eroding cycles can be made simple Effect After a cycle definition WWORKING PLANE the TNC tilts the subsequent machining blocks around the datum which was last set in the MANUAL mode active datum Input You enter Tilt angle A corresponding to the rotation about the X axis This can be programmed with the orange key X Tilt angle B corresponding to the rotation about the Y axis This can be programmed with the orange key Y Tilt angle C corresponding to the rotation about the Z axis This can be programmed with the orange key Z The TNC displays the current active tilt angles in the STATUS TILT display Input range 360 to 360 only absolute values possible Cancellation To cancel the tilt angle redefine the WORKING PLANE cycle and enter an angular value of O for all axes of rotation or select a new program rc Coordinate transformations e g a datum shift are also effective when the Tilt working plane function is active An active basic rotation is calculated in the same way as a tilting of the machine plane about the C axis When creating OEM cycles remember that traverse paths within the cycle may only be programmed with L blocks HEIDENHAIN TNC 406 TNC 416 161 8 5 voor Transformatio
61. Programming a workpiece change 5 4 5 Fundamentals of Spark Erosion 58 4 6 Erosion Tables 61 Using erosion tables in a program 61 Working without an erosion table 61 Ready to use erosion tables 61 HEIDENHAIN TNC 406 TNC 416 4 7 Parameters in the Erosion Table 62 To enter erosion parameters in the erosion table 63 Power stage NR 64 Low voltage current LY 64 High voltage current HV 64 Gap voltage GV 64 Pulse on duration and pulse off duration 65 servo sensitivity SV 65 Erosion time ET Auto jump distance AJD 65 Arc sensitivity AR 66 Electrode polarity P 66 High voltage selector HS 66 Wear rate WR 67 Surface finish RA 67 Stock removal SR 68 Two times gap 2G 68 Minimum undersize UNS 69 Auxiliary parameters AUX 1 AUX 2 AUX 6 69 5 1 Electrodes 72 Electrode axis C 72 Determining the electrode data 72 Entering electrode data into a program 73 Entering electrode data in tables 74 Calling electrode data 76 Following electrode 77 Changing the electrode 77 Electrode compensation 78 5 2 Electrode Compensation Values 79 Electrode length compensation 79 Electrode radius compensation 80 Radius compensation Machining corners 82 5 3 Entering Electrode Related Data 83 Introduction 83 Feed rate
62. R TOOL TABLE POCKET NUMBER TAB TOO ml U Q L 5 Programming Tools If the TNC cannot show all positions in the tool table in one screen page the highlight bar at the top of the table will display the symbol ss or K lt Exiting the tool table Call the file manager and select a file of a different type e g a part program Insert new line above the highlighted field INSERT Delete line DELETE Create new TOOL table by entering a new name as HEIDENHAIN TNC 406 TNC 416 75 E Electrodes E Electrodes Calling electrode data Electrode data are called into the part program with TOOL CALL TOOL CALL is programmed with Tool number Spindle axis Undersize Code indicating whether the electrode is a following electrode You can skip individual entries with NO ENT for example to enter only one new undersize Calling electrode data Select the tool call function with the TOOL CALL key CALL Tool number Enter the number of the electrode as defined in TOOL DEF block Confirm your entry with the ENT key Working tool axis X Y Z 4 Enter the tool axis e g Z Tool undersize diameter Enter the electrode undersize diameter e g 0 5 Confirm with the ENT key or skip the entry with the NOENT key Folw electrode YES ENT NO NOENT e g to identify the electrode as a following electrode CS If you define a value for the tool undersize in the TOOL CALL the value from t
63. RO TIME LIM 145 Cycle 3 TOOL DEF a135 Cycle 4 SPARK OUT TIME 146 erosion cycles Cycle 14 CONTOUR GEOMETRY 137 Cycle 16 ORBIT 139 Cycle 17 DISK 142 general 130 other cycles DWELL TIME Cycle 9 171 PGM CALL Cycle 12 171 programming 131 D Data interface pin layout 254 setting 232 Data transfer software 237 Datum setting 22 center as datum 30 circle center point bore hole as datum 32 corner as datum 31 in any axis 29 manual probing 29 Define the blank 52 Dialog 54 Disk formatting 236 E Electrode 80 Electrode changing 77 automatic 77 manually 78 Electrode compensation values 79 length 79 radius 80 Electrode data calling 76 determining 72 entering in separate program blocks 78 entering in tables 74 entering into program block 73 E Ellipse 208 Eroding manually 21 Erosion cycles see Cycles Erosion table working with an erosion table 133 working without an erosion table 133 Erosion tables 61 erosion parameters 62 erosion tables working with 61 Error messages 259 during programming 259 Test Run and Program Run 259 External data transfer deleting a file 236 disk formatting 236 selecting 233 transferring Tiles 235 F Feed rate 83 Files file directory 48 file type 48 FN xx See Q parameter programming
64. SINE Example FN6 Q20 SIN Q5 Calculate the sine of an angle in degrees and assign it to a parameter FN7 COSINE Example FN7 Q21 COS Q5 Calculate the cosine of an angle in degrees and assign it to a parameter FN8 ROOT SUM OF SQUARES Example FN8 Q10 5 LEN 4 Calculate and assign length from two values FN13 ANGLE Example FN13 Q20 10 ANG Q1 Calculate the angle from the arc tangent of two sides or from the sine and cosine of the angle 0 lt angle lt 360 and assign It to a parameter HEIDENHAIN TNC 406 TNC 416 193 10 4 Trigonometric Functions 10 5 M Decisions with Q Parameters 10 5 If Then Decisions with Q Parameters Function The TNC can make logical If Then decisions by comparing a Q parameter with another Q parameter or with a numerical value If the condition is fulfilled the TNC continues the program at the label that is programmed after the condition for information on labels see also Labeling Subprograms and Program Section Repeats on page 174 If it is not fulfilled the TNC continues with the next block To call another program as a subprogram enter PGM CALL after the block with the target label Unconditional jumps An unconditional jump is programmed by entering a conditional jump whose condition is always true Example FN9 IF 10 EQU 10 GOTO LBL1 Programming If Then decisions It Then decisions appear when the Q function key is pressed and after
65. To calibrate the effective length Set the datum In the spindle axis such that for the machine tool table Z 0 Select the calibration function for the electrode length c Q a hom 2 i Q T N second soft key row Enter the tool axis with the axis key Datum Enter the height of the ring gauge Move the probing electrode to a position just above the ring gauge If necessary change the direction with the cursor keys The electrode probes the surface of the ring gauge Press the START button HEIDENHAIN TNC 406 TNC 416 25 2 4 Calibration M To calibrate the effective radius Position the probing electrode in the hole of the ring gauge mA Select the calibration function for the electrode radius second soft key row Select the tool axis and enter the radius of the ring gauge To probe the workpiece press the machine START button four times The probing electrode touches the hole in each axis direction If you want to terminate the calibration function at this point press the END soft key Displaying calibration values The effective length and radius of the probing electrode are stored in the TNC s memory and are taken into account when the electrode is used later The stored values are displayed on the screen whenever the calibration functions are selected 26 2 Manual Operation Setup and Probing Functions Compensating workpiece misalignment The TNC electronically compen
66. YCLE HEIDENHAIN TNC 406 TNC 416 1 4 Status isP BL m e mw ad Y lt q Information on the current electrode TOOL Electrode length Electrode radius Electrode undersize Electrode axis 1 2 3 4 General program information PGM Programs called with PGM CALL Active cycle Active circle center Dwell time counter Status for eroding with time limit Operating time oon fh WN 10 8865 WORKPIECE 4 PROGRAM UP253 PGM CALL YCL 42 SINKING WIDEN CC K 25 088 M DWELL TI ka 25 00G yJERO TIME LIM pazaaae 1 Introduction Information on the current OEM cycle CYCLE 1 Active OEM cycle number and name 2 Number of the transfer parameters 3 Content of each transfer parameter Positions and coordinates POS 1 Second position display 2 Feed rate and angular position for Cycle 17 DISK 3 Active basic rotation HEIDENHAIN TNC 406 TNC 416 CYCLO 40 SINKING i 10 600 20e 70 868 3 Q3 15 868 NOML H 41 000G Y 56 000G Z 20 8088 C 8 GGG BASIC ROTATION 6 BAG 11 1 4 Status isP STATUS Active coordinate transformations TRANSF Active datum table and active datum number Datum shift Rotation Mirror image Scaling factor PROGRAM STATUS 4 DATUM TABLE G 0 1 2 3 4 5 DATUM SHIFT ROTATION H 12 588 vr 70 GGG weed rete C 8 6 28 808 BL m e mw ad Y lt q iD mirror I
67. alue is to be entered as a percentage of the total contour length 138 8 Programming Cycles Cycle 16 ORBIT The ORBIT cycle is a machining cycle which facilitates programming of spark out behavior and movement of the electrode In Cycle 16 ORBIT you enter the Eroding axis Eroding depth Miscellaneous function M Expansion radius RAD Rotational direction DIR Expansion mode PAT Spark out mode SPO If necessary you may also use O parameters for the cycle definition Eroding axis and depth The eroding axis determines the coordinate axis parallel to which eroding takes place in the depth The sign of the eroding depth determines whether the working direction is the direction of the positive coordinate axis depth or of the negative coordinate axis depth You can enter the eroding depth in absolute or incremental dimensions Miscellaneous function M You can enter a miscellaneous function in Cycle 16 ORBIT such as M36 eroding ON Expansion radius RAD The TNC feeds the electrode in radial direction perpendicular to the eroding depth by the value of the expansion radius CS The electrode radius Re must be larger than the expansion radius RAD Otherwise the pocket disk will not be completely eroded Calculating the expansion radius RAD If the diameter D of the disk is known you can calculate the expansion radius RAD from the following data Diameter D of the disk Electrode undersize UM Electrod
68. and combination of materials refer to the electrode table Surface finish RA Surface finish is a measure of machining quality A machined surface is never absolutely smooth but consists of a series of peaks and valleys Maximum surface roughness Rmax The maximum surface roughness Rmax is the difference in height between the highest peak and the lowest valley The maximum surface roughness Rmax is also calculated from the width of the two times gap 2G and the minimum undersize UNS as follows Rmax 0 5 UNS 2G Determining surface finish RA according to VDI 3400 1 Determine the centerline of Rmax 2 Measure all peaks and valleys from the centerline 3 Add the measured values together and divide by the number of measured values The result is the surface finish RA in um HEIDENHAIN TNC 406 TNC 416 67 4 7 Parameters in the g Table 4 7 Parameters in the ee ion Table Stock removal SR The stock removal is the volume of removed workpiece material Vw per unit of time Stock removal is measured in ccm minute Two times gap 2G During the erosion process a minimum gap G must be maintained between the electrode and the workpiece The higher the current the larger the gap G radial gap can and should be Minimum for the two times gap The two times gap 2G is the minimum total gap 2 x G in millimeters that must be maintained in the cavity between the electrode and the workpiece 2G diametrical gap
69. arameters and messages 197 preassigned 202 transferring values to the PLC 198 with special functions 202 Q parameter programming 186 basic arithmetic assign add subtract multiply divide square root 189 If then decisions 194 trigonometric functions 192 R Radius compensation 80 contouring 81 outside corners inside corners 82 Range of traverse 240 Reference system 44 Resetting counters 227 S Screen layout 4 Setting the datum 47 Spark erosion 58 Status 9 Status display additional 9 general 9 Straight line 94 95 110 Subprogram 175 Switch on 16 T Teach in 94 Test run executing 220 up to a certain block 221 Time capture table 227 TNC 426 TNC 480 2 TNCremo 237 238 TNCremoNT 237 238 To 63 Tool compensation 79 Tool table editing 74 editing functions 75 exiting 75 Traverse reference points 16 Trigonometric functions 192 Trigonometry 192 HEIDENHAIN TNC 406 TNC 416 U User parameters electronic handwheels 252 eroding 247 for external data transfer 248 general 246 machining feed rate 246 override behavior 252 probing 249 TNC displays TNC editor 249 V Visual display unit 3 W Workpiece positions absolute 46 incremental 46 Index Overview of Miscellaneous Functions Miscellaneous func
70. arget file COPY INC TNC pale y 9 O 4 m oO 4 File protection Cancel file protection Deleting a file DELETE Close the file directory a los 1D alei ioio 50 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables 4 3 Creating and Writing Programs Organization of an NC program in HEIDENHAIN conversational format A part program consists of a series of program blocks The figure at right illustrates the elements of a block The TNC numbers the blocks in ascending sequence The first block of a program is identified by BEGIN PGM the program name and the active unit of measure The subsequent blocks contain information on The workpiece blank Tool definitions tool calls Path function Feed rates and spindle speeds as well as Path contours cycles and other functions Block number The last block of a program is identified by END PGM the program name and the active unit of measure Defining the blank form BLK FORM Immediately after initiating a new program you define a cuboid workpiece blank If you wish to define the blank at a later stage press the BLK FORM soft key This definition is needed for the TNC s graphic simulation feature The sides of the workpiece blank lie parallel to the X Y and Z axes and can be up to 30 000 mm long The blank form is defined by two of its corner points MIN point the smallest X Y and Z coordinates of the blank form entered as absol
71. atedly until the desired dialog appears You can then enter the desired value Looking for the same words in different blocks O To select a word in a block press the arrow keys repeatedly until the highlight is on the desired word O C T Select a block with the arrow keys o Som Ly a a a a a a a Select a block direct ear elect a block directly m a The word that is highlighted in the new block is the same as the one you selected previously 56 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables 4 4 Automatic Workpiece Change with WP Call If your machine features an automatic handling system you can program an automatic workpiece change with the WP CALL function WP CALL resets an active rotation and can be programmed to subsequently execute a datum shift and activate the rotation again if desired The values for datum shift and rotation are transferred by the PEG ki The function for automatic workpiece change is adapted to the TNC by the machine tool builder Refer to your machine tool manual Programming a workpiece change Select the Programming and Editing mode of operation Press the WP CALL soft key I Workpiece name Enter the name of the pallet for example 1 You can enter up to 16 characters letters and numbers Number of tilts Enter the number of tilts maximum input value 9 Example NC block HEIDENHAIN TNC 406 TNC 416 57 amm
72. c Fast 1 expansion Complete 5 Orbital sinking Fast with diagonal retraction 2 Complete with vertical 6 retraction Orbital sinking Fast with diagonal retraction 3 Complete with vertical 7 retraction Feed rates for eroding with Cycle 17 DISK The feed rate for rotary motion is the same as the last programmed feed rate It is limited by user parameters MP1092 to MP1097 The feed rate in the tool axis direction is determined by the gap control HEIDENHAIN TNC 406 TNC 416 143 8 4 Erosion Cycles 8 4 Erosion Cycles Standard behavior with short circuit In the event of a short circuit the electrode is stopped and retracted along the infeed vector Once the short circuit is eliminated the TNC moves the electrode back along the infeed vector toward the workpiece but stops a certain distance before the point where the short circuit occurred this distance is defined in parameter MP2050 Bun The machine tool builder may have specified a different retraction behavior in the event of short circuiting than is described here Refer to your machine tool manual 144 8 Programming Cycles Cycle 2 ERO TIME LIM Cycle 2 ERO TIME LIM Erosion Time Limit defines the duration of eroding for E Cycle 16 ORBIT E Cycle 17 ORBIT Miscellaneous function M93 During eroding the TNC interrupts machining when the programmed eroding time Is reached Enter the eroding time T in minutes in Cycle 2 ERO TIME LIM F W
73. compensation values for Cycle 3 TOOL DEF at 0 angular position so that compensation will be activated with the correct values in the working plane when the C axis is rotated To enter Cycle 3 TOOL DEF Open the cycle directory DEF Go to Cycle 3 0 TOOL DEF Confirm your entry with the ENT key Select Cycle 3 0 TOOL DEF Sz Enter tool number e g T 5 HEIDENHAIN TNC 406 TNC 416 135 8 3 Electrode Definition ne 8 3 Electrode Definition Enter tool radius e g R 10 mm Enter the coordinate axes and compensation values for example X 10 mm Confirm your entry with the ENT key Enter the coordinate axes and compensation values for example Z 5 mm Confirm your entry with the ENT key Press END when you have entered all compensation values Example NC blocks Circular path with electrode compensation If you enter an electrode compensation you must rotate the electrode in synchrony with the angle on circular arcs For example for a semicircle you must rotate the C axis by 180 36 8 Programming Cycles 8 4 Erosion Cycles Overview The TNC offers five erosion cycles Cycle 14 CONTOUR GEOMETRY Cycle 16 ORBIT Cycle 17 DISK Cycle 2 ERO TIME LIM Cycle 4 SPARK OUT TIME Cycle 14 CONTOUR GEOMETRY The CONTOUR GEOMETRY cycle is a machining cycle You use it to cyclically erode a closed contour in the working plane with the programmed fe
74. d in the program The mirrored axis is indicated in the status display with the index S by the mirrored axes When one axis is mirrored the machining direction of the electrode is reversed If two axes are mirrored the machining direction remains the same The mirror image depends on the location of the datum If the datum lies on the contour to be mirrored The part simply flips over see top illustration If the datum lies outside the contour to be mirrored The part also jumps to another location see bottom illustration 158 8 Programming Cycles ROTATION Cycle 10 Function The coordinate system can be rotated about the active datum in the working plane within a program Effect The rotation takes effect as soon as it is defined in the program Cycle 10 ROTATION cancels radius compensation RR RL Reference axis for the rotation angle X Y plane X axis E Y Z plane Y axis E Z X plane Z axis The active rotation angle is shown in the status display ROT Definition of the plane of rotation When the ROTATION cycle is activated for the first time the plane of rotation is perpendicular to the tool axis defined in the tool call block If later a TOOL CALL block with a different tool axis is executed the plane of rotation will not change Input Enter the rotation angle in degrees Input range 360 to 360 absolute or incremental Effect on O parameters The plane of rotati
75. depth to Q1 Label number The diametrical gap according to the current power stage is assigned to Q10 see Indexed assignment on page 198 Electrode undersize UM minus electrode undersize UNS 8 Programming Cycles 14 FN4 Q8 Q9 DIV 2 Calculation of the expansion radius RAD a 15 FN3 Q7 Q10 0 8 Calculation of the vertical gap ET 16 FN2 Q06 Q1 Q7 Decrease incremental depth by the vertical gap S 17 CYCL DEF 16 0 ORBIT Cycle ORBIT see Cycle 16 ORBIT on page 139 e 18 CYCL DEF 16 1 IZ Q6 M36 Incremental eroding depth Z O6 eroding ON 19 CYCL DEF 16 2 RAD Q8 DIR 0 Expansion radius RAD O8 erosion movement O counterclockwise DIR 0 z 20 CYCL DEF 16 3 PAT 0 SP0 0 Circular expansion PAT 0 spark out mode SPO 0 a 21 IF Q99 EQU Q151 GOTO LBL 99 Inquiry if minimum power stage has been reached 00 22 FN 2 Q99 099 1 Decrease current power stage by 1 23 FN 9 IF 0 EQU 0 GOTO LBL 1 Jump to LBL1 machine again with lower power stage 24 LBL 99 LBL 99 is reached when machining with the lowest power stage is completed 25 L Z 50 RO F MAX M37 Retract to set up clearance eroding OFF 26 END PGM EXORB1 MM Cycle 16 ORBIT in the part program example 2 0 BEGIN PGM EX2 MM 1 BLK FORM 0 1 Z X 0 Y 0 Z 20 2 BLK FORM 0 2 X 100 Y 100 Z 0 3 CYCL DEF 1 0 GENERATOR Cycle GENERATOR see Cycle 1 GENERATOR on page 133 4 CYCL DEF 1 1 P TAB CUST1 Desired erosion table 5 CYCL DEF 1 2 MAX 10 MIN 5 Maximum power stage 10
76. dimensioned with respect to arelative datum with the absolute coordinates X 450 Y 750 With the DATUM SHIFT cycle you can temporarily set the datum to the position X 450 Y 750 to be able to program the holes 5 to 7 without further calculations HEIDENHAIN TNC 406 TNC 416 MIN MAX 47 loning t OSI 4 1 Fundamentals 4 2 Files 4 2 Files PROGRAM DIRECTORY CRAM Se FILE NAME The TNC 416 saves programs and tables as files The TNC can store a up to 100 files A file is identified by its file name and file extension CUST E 36 FOE ET800 E 540 The file name is entered when a new file is created HDH 00 E 549 The file extension is separated from the file name by a period and hile oe indicates what type of file it is 1221 H 234 12345 H 252 29SEC H 126 Programs 7432 H 612 R 99999930 H 54 In HEIDENHAIN format H a SA aes INTERNAL FILES 72 Tables for eor co PS Erosion Datum D Tools T Time capture Time W cc The tool table TOOL T is only active if bit 2 of MP7224 is set to 0 File directory You call the file directory with the PGM NAME key TNC 406 or the PGM MGT key TNC 416 To delete files from the TNC use CL PGM on the TNC 406 to call up the directory Overview of the file management functions Create or Edit fr B Delete 8 Test A or Run A B 48 4 Programming Fundamentals Files Program Entry
77. dinates Circle with center Circle with radius SKONS Circular arc with tangential connection as o D A Corner rounding Electrode data TOOL TOOL o amp R L GS amp Cycles subprograms and program section repeats Enter and call electrode length and radius Activate electrode radius compensation 02 01 i 02 0 i DEF CALL LBL LBL SET 07 10 E Define and call cycles Enter and call labels for subprogramming and program section repeats STOP Program stop in a program uel Enter touch probe functions in a program Coordinate axes and numbers Entering and editing Select coordinate axes or V enter them into the program 9 Numbers Decimal point Change arithmetic sign Polar coordinates Incremental dimensions Q parameters Capture actual position B0 80x Skip dialog questions delete words m2 4e ENT Confirm entry and resume dialog E End block Clear numerical entry or TNC error message g m m Abort dialog delete program section O TNC Models Software and Features This manual describes functions and features provided by the TNCs as of the following NC software numbers TNC 406 280 620 12 280 621 12 280 622 12 TNC 416 286 180 06 Location of use The TNC complies with the limits for a Class A device in accordance with the specifications in EN 55022 and is intended for use primarily in industrially zoned areas New features of the NC software 280 62x xx and 280 180
78. dle to the positive and negative end positions of the X Y and Z axes Write down the values including the algebraic sign oo MOD functions Press the AXIS LIMIT soft key and enter the values that you wrote down as LIMITS in the corresponding axes E Exit the MOD function 240 12 MOD Functions S BSIBACAL SIX 19 UQ 9 ZL 241 HEIDENHAIN TNC 406 TNC 416 _ amp Machine Specific User Parameters 12 7 Machine Specific User Parameters Function The machine tool builder can assign functions to up to 16 user parameters Refer to your machine tool manual 242 12 MOD Functions 12 8 Code Number Function If you want to change the user parameters you must first enter the code number 123 see General User Parameters on page 246 Enter the code number after selecting the corresponding MOD function in the dialog field The TNC displays one asterisk for each digit you enter HEIDENHAIN TNC 406 TNC 416 243 12 8 Code Number 12 9Q Parameter Status Display Function With the Q PAR soft key you can check and if necessary change the currently defined O parameters while the TNC is running a program test or part program see Checking and Changing Q Parameters on page 196 4 i 13 1 General User Parameters General user parameters are machine parameters affecting TNC settings that the user may want to change in accordance with his requirements Some exampl
79. e Program execution 1 Main program REPS is executed up to block 27 2 Program section between block 27 and block 20 is repeated twice 3 Main program REPS is executed from block 28 to block 35 4 Program section between block 35 and block 15 is repeated once including the program section repeat between 20 and block 27 5 Main program REPS is executed from block 36 to block 50 end of program 180 9 Programming Subprograms and Program Section Repeats Repeating a subprogram Example NC blocks Program execution 1 Main program SUBREP is executed up to block 11 2 Subprogram 2 is called and executed 3 Program section between block 12 and block 10 is repeated twice This means that subprogram 2 is repeated twice Main program SUBREP is executed once from block 13 to block 19 End of program A HEIDENHAIN TNC 406 TNC 416 Beginning of program section repeat 1 pi G amp S Ans The program section between this block and LBL 1 block 10 is repeated twice Last program block of the main program with M2 Beginning of subprogram End of subprogram 181 9 5 Nesting Program sequence Approach the erosion hole patterns in the main program E Call the erosion hole pattern Subprogram 1 E Program the erosion hole pattern only once in subprogram 1 E Programming Examples _ 82 100 Define the blank Cycle GENERATOR see Cycle 1 GENERATOR
80. e TNC 406 TNC 416 can control up to 5 axes The axes U V and W are secondary linear axes parallel to the main axes X Y and Z respectively Rotary axes are designated as A B and C The illustration at lower right shows the assignment of secondary axes and rotary axes to the main axes Programming electrode movement Depending on the machine tool either the machine table with the workpiece moves or the electrode moves GF You always program as if the electrode moves and the workpiece remains stationary no matter the type of machine 4 1 Fundamentals bey If the machine table moves the corresponding axes are identified on the machine operating panel with a prime mark e g X Y The programmed direction of such axis movement always corresponds to the direction of electrode movement relative to the workpiece but in the opposite direction 44 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Polar coordinates If the production drawing Is dimensioned in Cartesian coordinates you also write the part program using Cartesian coordinates For parts containing circular arcs or angles it is often simpler to give the dimensions in polar coordinates see Path Contours Polar Coordinates on page 109 While the Cartesian coordinates X Y and Z are three dimensional and can describe points in space polar coordinates are two dimensional and describe points in a plane Polar coordinat
81. e desired O parameter number 0 JIE You Can only change the Q parameter if you have interrupted the program run or test run Enter the new value for example 0 and confirm with the ENT key Return to the last active operating mode 196 MOD FUNCTIONS Q14 Q 6 i je m 10 Programming Q Parameters 10 7 Output of Q Parameters and Messages Output of error messages With the function FN14 ERROR you can call messages that were pre programmed by the machine tool builder When the TNC encounters a block with FN 14 during program run it interrupts the run and displays an error message The program must then be restarted Input Example FN 14 ERROR 254 The TNC then displays the text stored under error number 254 0 299 FN 14 Error code 0 299 300 799 PLC dialogs from 0 499 Example NC block w The machine tool builder may have programmed a C standard dialog that differs from the text above Output through an external data interface The function FN15 PRINT transfers Q parameter values and error messages through the data interface for example to a printer or to the file FN15RUN A FN 15 PRINT with numerical values from O to 499 are used to access PLC dialogs O to 499 Example FN 15 PRINT 20 Transfers the error message see overview at FN 14 FN 15 PRINT with numerical value 200 Example FN 15 PRINT 200 Transfers the ETX character e
82. e machine STOP button was pressed A programmed interruption Resuming program run after an error If the error message is not blinking Remove the cause of the error To clear the error message from the screen press the CE key Restart the program or resume program run at the place at which it was interrupted If the error message is blinking Switch off the TNC and the machine Remove the cause of the error Start again If you cannot correct the error write down the error message and contact your repair service agency HEIDENHAIN TNC 406 TNC 416 225 11 3 Program run re O O pe A q q Returning to the interruption spot After interrupting machining with the NC Stop key you can use the Hand soft key to move the machine axes in the MANUAL mode e g to check the electrode for potential damage Then you can have the TNC reposition the electrode to the point of the interruption gt Interrupt program run Press the NC Stop key the symbol in the status display starts blinking gt Press the Hand soft key to be able to traverse the machine axes Using the axis direction keys move the electrode to any position To reapproach the interruption position Press the RESTORE POSITION key and the TNC activates the Return to contour function see figure at right Using the soft keys select the axis to be repositioned and then press NC Start Reposition all of the a
83. e minimum undersize UNS Electrode radius Re RAD 0 5 e UM UNS 0 5 eD Re 0 5 UNS Rotational direction DIR Counterclockwise erosion movement DIR 0 Clockwise erosion movement DIR 1 HEIDENHAIN TNC 406 TNC 416 139 8 4 Erosion Cycles Expansion mode PAT The expansion mode PAT determines the movement of the electrode during erosion PAT 0 Circular expansion top illustration From the starting depth S the electrode moves along the surface of a circular cone until it reaches the programmed eroding depth T and the expansion radius RAD The gap is controlled along an angular vector The electrode is retracted to the starting point along a diagonal path PAT 1 Quadratic expansion center illustration Same as PAT 0 but with quadratic expansion instead of circular expansion PAT 2 Circular orbital sinking bottom illustration The electrode moves from the starting point S by the expansion radius RAD in radial direction It then follows a circular path until reaching the eroding depth The gap is controlled only in the eroding axis The electrode Is retracted to the starting point along a diagonal path PAT 3 Quadratic orbital sinking Same as PAT 2 but with quadratic sinking instead of circular sinking 8 4 Erosion Cycles PAT 4 Circular expansion in two phases 1 From the starting depth S the electrode moves along the surface of a circular cone 0 direction until it reaches the pr
84. e not working with an erosion table do not copy Cycle 1 0 GENERATOR into the program In this case you must enter the erosion parameters in Q parameters Q90 to Q99 To enter Cycle 1 0 GENERATOR CYCL Open the cycle directory DEF Open selected cycle oI Enter name of the erosion table e g 5 ay or Enter the highest power stage for machining e g 15 N Enter the lowest power stage for machining e g 2 HEIDENHAIN TNC 406 TNC 416 133 i Cycle 1 GENERATOR I Cycle 1 GENERATOR Example NC blocks Changing the power stage The TNC stores the current power stage in Q parameter O99 If you want to change the power the stage assign to Q99 the value of the new power stage Example NC block Desired power stage 12 134 8 Programming Cycles 8 3 Electrode Definition Cycle 3 TOOL DEF Just as in the NC block TOOL DEF you can define the number and radius of an electrode in Cycle 3 TOOL DEF In addition you can enter a tool compensation value In Cycle 3 TOOL DEF you enter the Tool number T from 1 to 9 999 Tool radius R in mm R gt 0 Tool compensation for up to four axes in mm Sign for tool compensation E To compensate the tool from the tool datum in the direction of the positive coordinate axis compensation value gt 0 E To compensate the tool from the tool datum in the direction of the negative coordinate axis compensation value lt 0 Se Determine the
85. ect the probing function by pressing the PROBING ROT soft key Rotation angle If you will need the current basic rotation later write down the value that appears under Rotation angle Make a basic rotation with the side of the workpiece see Compensating workpiece misalignment on page 27 Press the PROBING ROT soft key to display the angle between the angle reference axis and the edge of the workpiece as the rotation angle Cancel the basic rotation or restore the previous basic rotation by setting the Rotation angle to the value that you wrote down previously To measure the angle between two workpiece sides Select the probing function by pressing the PROBING ROT soft key Rotation angle If you will need the current basic rotation later write down the value that appears under Rotation angle Make a basic rotation with the side of the workpiece see Compensating workpiece misalignment on page 27 Probe the second side as for a basic rotation but do not set the Rotation angle to zero Press the PROBING ROT soft key to display the angle PA between the two sides as the Rotation angle Cancel the basic rotation or restore the previous basic rotation by setting the Rotation angle to the value that you wrote down previously HEIDENHAIN TNC 406 TNC 416 35 th a Probing D ing wi 2 6 Measur 2 7 Entering and Starting Miscellaneous puneti M 2 7 Entering and Starting Miscellaneous Fu
86. ed rate Gap control is effective in the eroding axis which you defined in the cycle You define the contour to be eroded in a separate program After the programmed eroding depth is reached and the defined sparking out distance is traversed the TNC ends the erosion cycle The electrode does not retract automatically In Cycle 14 CONTOUR GEOMETRY you enter the Eroding axis Eroding depth Miscellaneous function M Contour program PGM Sparking out distance in percent PRC If necessary you may also use Q parameters for the cycle definition of the eroding depth and the sparking out distance Eroding axis and depth The eroding axis determines the coordinate axis parallel to which eroding takes place in the depth The sign of the eroding depth determines whether the working direction is the direction of the positive coordinate axis depth or of the negative coordinate axis depth You can enter the eroding depth in absolute or incremental dimensions Miscellaneous function M You can enter a miscellaneous function in Cycle 14 CONTOUR GEOMETRY such as M36 eroding ON HEIDENHAIN TNC 406 TNC 416 137 8 4 Erosion Cycles 8 4 Erosion Cycles Contouring program PGM The cycle parameter PGM determines the contouring program that is to be used by the TNC Sparking out distance in percent PRC This parameter determines how far the TNC should retract for Sparking out after having reached the eroding depth The v
87. el to move the electrode in any of the remaining axes to be scanned for peaks or valleys Enter the nominal coordinate of the datum and confirm with ENT HEIDENHAIN TNC 406 TNC 416 29 th a Probing A ing wi 2 5 Datum Sett th a Probing mn ing wi 2 5 Datum Sett Workpiece center as datum With the function PROBING CENTER you can find the center of Square or rectangular workpieces and set the datum at that point The workpiece must be aligned paraxially to use this function PROBING Select the probing function by pressing the PROBING CENTER soft key Move the probing electrode to a position near the first touch point Select the probing direction via soft key e g X To probe the workpiece press the machine START button Move the probing electrode to a position near the second touch point To probe the workpiece press the machine START button Enter the first coordinate of the datum for example on the X axis Repeat the process for the third and fourth touch points on the second axis for example on the Y axis Enter the second coordinate of the datum for example on the Y axis End the probing function 30 2 Manual Operation Setup and Probing Functions Corner as datum PROBING PL To select the probe function press PROBING P Move the probing electrode to a position near the first touch point Select the probing direction via soft key e g X To probe the workpiece
88. equence E Define parameter coordinates for the full circle E Define parameter coordinates for the circle arc E The positions to be eroded are each approached in the subprogram LBL1 through movements in the plane with polar coordinates ameters with Special Funct Define the workpiece blank MIN point Define the workpiece blank MAX point Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table 300 Set power stage here to stage 12 Detine electrode in the program Call electrode in the infeed axis Z undersize 1 mm Retract in the infeed axis rapid traverse insert electrode Full circle 1 center X Full circle 1 center Y Full circle 1 number of cavities Full circle 1 radius 1 and 2 starting angle Full circle 1 angle increment input value O full circle 1 and 2 set up clearance 1 and 2 eroding depth Call subprogram 1 for full circle N 10 10 Programming Q Parameters 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 FN 0 Q01 90 FN 0 Q2 25 FN 0 Q3 5 FN 0 Q4 35 FN 0 Q6 30 CALL LBL 1 LBL 1 FN 0 Q10 0 FN 10 IF Q6 NE 0 GOTO LBL 10 FN 4 Q6 360 DIV Q3 LBL 10 FN 1 Q11 Q5 06 CC X Q1 Y Q2 LP PR Q4 PA Q5 RO F MAX M3 L Z Q7 RO F MAX M L Z Q8 R F M36 L Z Q7 R F MAX M37 FN 1
89. eration Reserved Reserved Reserved Machine small contour steps page 122 page 122 page 122 page 122 page 122 page 122 page 122 page 122 page 157 page 125 page 125 page 125 page 123 M98 Machine open contours completely ia page 124 M99 Blockwise cycle call M108 Transfer coordinates from tool table TOOL T into NC program M109 Transfer Q parameters from an NC program into the tool table TOOL T
90. erview The following probing functions are available in the Manual and Jog Increment modes Measuring a basic rotation using a line PROBING K ROT Manual probing SO 3 7 O W m Set the datum in any axis PApBING Pes Set the datum at a workpiece center PROBING paa Set the datum at a circle center PROBING Set the datum at a corner PROBING Select the calibration function for the electrode length second soft key row Select the calibration function for the electrode radius second soft key row 8 8 D Ol 7 m Select the touch probe function Select the Manual Operation or Jog Increment mode TOUCH PROBE PROBING ROT 24 Select the probing function by pressing the TOUCH PROBE soft key The TNC displays additional soft keys see table above To select the probe cycle press the appropriate soft key for example PROBING ROT and the TNC displays the associated menu 2 Manual Operation Setup and Probing Functions Calibrating the probing electrode The probing electrode is to be calibrated in the following situations During commissioning When the electrode is changed When the probing feed rate is changed In case of Irregularities such as those arising when the machine heats up During calibration the TNC finds the effective length and the effective radius of the electrode To calibrate the electrode clamp a ring gauge of known height and inside diameter to the machine table
91. es and Overviews HEIDENHAIN TNC 406 TNC 416 1 1 The TNC 406 the TNC 416 2 Controls 2 Visual display unit and keyboard 2 Programming 2 Graphics 2 Compatibility 2 1 2 Visual Display Unit and Keyboard 3 Visual display unit 3 Screen layout 4 Keyboard 5 1 3 Modes of Operation 6 Manual Operation Incremental Jog and Positioning with Manual Data Input Programming and Editing 7 Test Run 7 Program Run Full Sequence and Program Run Single Block 8 1 4 Status Display 9 General status display 9 Additional status displays 9 1 5 Accessory Electronic Handwheels from HEIDENHAIN 13 HR electronic handwheels 13 HEIDENHAIN TNC 406 TNC 416 2 1 Switch on 16 Switch on 16 To traverse with the machine axis direction buttons 18 Traversing with the HR 410 electronic handwheel 19 Incremental jog positioning 20 Positioning with manual data input MDI 20 Eroding a workpiece manually 21 2 3 Datum Setting 22 Example 22 2 4 Calibration and Setup 23 Using an electrode 23 Select the touch probe function 24 Calibrating the probing electrode 25 Compensating workpiece misalignment 2 2 5 Datum Setting with a Probing Electrode 28 Functions for setting the datum 28 Writing probed values to tables 28 Datum setting In any axis 29 Manual
92. es have their datum at a circle center CC or pole A position in a plane can be clearly defined by the Polar Radius the distance from the circle center CC to the position and the Polar Angle the size of the angle between the reference axis and the line that connects the circle center CC with the position See figure at upper right Definition of pole and angle reference axis The pole is set by entering two Cartesian coordinates in one of the three planes These coordinates also set the reference axis for the polar angle PA X Y X Y Z Y ZIX Z HEIDENHAIN TNC 406 TNC 416 45 ioning t OSI 4 1 Fundamentals T loning t OSI 4 1 Fundamentals m Absolute and incremental workpiece positions Absolute workpiece positions Absolute coordinates are position coordinates that are referenced to the datum of the coordinate system origin Each position on the workpiece is uniquely defined by its absolute coordinates Example 1 Holes dimensioned in absolute coordinates Hole 1 Hole 2 Hole 3 X 10 mm X 30 mm X 50 mm Y 10 mm Y 20 mm Y 30 mm Incremental workpiece positions Incremental coordinates are referenced to the last programmed nominal position of the tool which serves as the relative imaginary datum When you write a part program in incremental coordinates you thus program the tool to move by the distance between the previous and the subsequent nominal positio
93. es of user parameters are Dialog language Interface behavior Traversing speeds Effect of overrides Entering machine parameters Machine parameters can be programmed as decimal numbers Some machine parameters have more than one function The input value for these machine parameters is the sum of the individual values For these machine parameters the individual values are preceded by a plus sign 13 1 General User Parameters Selecting the General User Parameters To access the general user parameters enter code number 123 in the MOD functions w The MOD functions also include machine specific user parameters USER PARAMETERS Default feed rate for positioning when no MP1090 feed rate is programmed 0 to 30 000 mm min Maximum circular feed rate in Cycle 17 DISK Modes Operating Value mode MP1092 O and 4 Eroding 0 to 30 000 mm min MP1093 O and 4 Free run 0 to 30 000 mm min MP1094 1 and 5 Eroding 0 to 30 000 mm min MP1095 1 and 5 Free run 0 to 30 000 mm min MP1096 2 and 6 Eroding 0 to 30 000 mm min MP1097 2 and 6 Free run 0 to 30 000 mm min 246 13 Tables and Overviews Value for Q157 with TOOL CALL or EL CALL block Advanced stop distance after short circuit or CYCL STOP After a short circuit or CYCL STOP block the TNC moves the electrode back towards the workpiece but stops at a certain distance from the workpiece This distance is entered in MP2050 Advanced stop distance
94. eter function FNO ASSIGN assigns numerical values to Q parameters This enables you to use variables in the program instead of fixed numerical values Sams Example NC blocks th Oo You need write only one program for a whole family of parts entering the characteristic dimensions as Q parameters A To program a particular part you then assign the appropriate values to e the individual Q parameters _ N Example Cylinder with Q parameters Cylinder radius R Q1 Cylinder height H Q2 Cylinder Z1 Q1 30 Q2 10 Cylinder Z2 Q1 10 Q2 50 Q1 Q2 10 2 Part Families Q Paramet HEIDENHAIN TNC 406 TNC 416 187 10 2 Part Families Q Parameters in Place of Numerical Values To assign numerical values to Q parameters Example To select Q parameter functions press the O key Select FN 0 ASSIGN 5 Enter the number of the O parameter 5 10 Assign a value to Q5 for example 10 Example NC block The TNC assigns the numerical value on the right of the equal sign to the Q parameter on the left of the equal sign 88 10 Programming O Parameters 10 3 Describing Contours through Mathematical Operations Function The Q parameters listed below enable you to program basic mathematical functions in a part program Select a Q parameter function Press the Q key in the numerical keypad at right The dialog FN 0 Assign appears
95. f the current program has no valid blank form definition no program is selected A graphic simulation is not possible for program sections or programs in which rotary axis movements or a tilted working plane are defined In this case the TNC will display an error message The TNC graphic does not show a radius oversize DR that has been programmed in the TOOL CALL block The TNC can display the graphic only if the ratio of the short side to the long sides of the BLK FORM is greater than 1 64 Overview of display modes The TNC displays the following soft keys in the program run and test run modes of operation Plan view Li Projection in 3 planes Ail 3 D view 216 11 Test run and Program Run Plan view LI Press the soft key for plan view Select the number of depth levels after shifting the 18 32 soft key row You can choose between 16 or 32 shades of depth The deeper the surface the darker the shade Plan view is the fastest of the three graphic display modes Projection in 3 planes Similar to a workpiece drawing the part is displayed with a plan view and two sectional planes A symbol to the lower left indicates whether the display is in first angle or third angle projection according to ISO 6433 selected with MP7310 Details can be isolated in this display mode for magnification In addition you can shift the sectional planes with the corresponding soft keys Press the soft key for projec
96. f program blocks during test run Decimal character Display step for the X axis Display step for the Y axis Display step for the Z axis Display step for the IVth axis Display step for the 5th axis Reset Q parameters and status display Graphic display mode Graphic simulation without programmed tool Tool radius Graphic simulation without programmed tool Penetration depth Effect of Cycle 11 SCALING FACTOR HEIDENHAIN TNC 406 TNC 416 MP7273 Do not display program blocks 0 Display program blocks 1 MP7280 The decimal character is a comma 0 The decimal character is a point 1 MP7290 0 0 0001 mm 0 00001 inch 0 0 0005 mm 0 00002 Inch 1 0 001 mm 0 0001 inch 2 0 005 mm 0 0002 Inch 3 0 01 mm 0 001 Inch 4 0 05 mm 0 002 inch 5 0 1 mm 0 01 inch 6 MP7290 1 Inout range see MP7290 0 MP7290 2 Input range see MP7290 0 MP7290 3 Inout range see MP7290 0 MP7290 4 Input range see MP7290 0 MP7300 Do not reset 0 Reset with M02 M30 and END PGM 1 Do not reset O parameters when selecting a program or pressing the RESET soft key 2 Do not reset tool data when selecting a program or pressing the RESET soft key 4 MP7310 Projection in three planes according to ISO 6433 part 1 projection method 1 0 Projection in three planes according to ISO 6433 part 2 projection method 1 1 Do not rotate coordinate system for graphic display 0 Rotate coordinate system for graphic display b
97. f the lowest power stage 0155 mm Two times gap 2G of the highest power Q156 stage mm Two times gap 2G from the lowest to the Q201 to 0225 highest power stage mm Minimum undersize UNS of the lowest tothe 0231 to Q255 highest power stage mm Q parameters when not using erosion tables Q90 to Q99 If you are working without erosion tables you must use the Q parameters for eroding Q90 to O99 The machine tool builder can give you more information about these OQ parameters Electrode data 0108 0158 to Q160 The TNC stores the electrode data that you entered in the TOOL DEF TOOL CALL and EL CORR blocks in the following O parameters Electrode radius from TOOL DEF Q108 Electrode undersize from TOOL CALL Q158 Electrode length from TOOL DEF 0159 Electrode number from TOOL CALL Q160 HEIDENHAIN TNC 406 TNC 416 203 10 9 Q j i with Special Functions Ions ameters with Special Funct Electrode axis Q109 The value of parameter Q109 depends on the current tool axis No tool axis defined Q109 1 Z axis 0109 2 Y axis 0109 7 X axis Q109 0 Miscellaneous functions for free rotation of the C axis Q110 The value of parameter Q110 depends on which M function was last programmed for the rotation of the C axis No M3 M4 or M5 defined Q110 1 MO3 Free rotation of C axis ON Q110 0 M04 Free rotation of C axis OFF Q110 1 MO5 active Q110 2 Flushing Q111 Directly after program selection Q11
98. f the more frequent TNC error messages are explained in the following list An error message that contains a program block number was caused by an error in the indicated block or in the preceding block To clear the TNC error message first correct the error and then press the CE key Error messages that are displayed in the screen center are generated by the TNC Error messages that appear in the upper screen window for the operating modes are defined by the machine tool builder Refer to your machine tool manual 13 5 TNC Error Messages TNC error messages during programming Further program entry impossible Erase some old files to make room for new ones Entry value incorrect Enter a correct label number Press the correct key Ext in output not ready Connect the external device properly Label number already assigned A given label number can only be entered once In a program Jump to label 0 not permitted Do not program CALL LBL O TNC error messages during test run and program run Selected block not addressed Before a test run or program run you must enter GOTO 0 Probed value inaccurate The difference between individual results from probing the workpiece several times exceeds the maximum allowable difference set in MP6110 Arithmetical error You have calculated with non permissible values Define values within the range limits Choose probe positions for the probing electrode that are farther apart All calculations must
99. face 197 Indexed assignment 198 Transferring values to from the PLC 198 10 8 Measuring with a probing electrode during program run Introduction 199 To program the use of a probing electrode 200 10 9 O Parameters with Special Functions 202 Vacant Q parameters 202 Preassigned Q parameters 202 Q parameters with special functions 202 Preassigned Q parameters 202 Q parameters with special functions 206 HEIDENHAIN TNC 406 TNC 416 11 1 Graphics 216 FUNCTION iris 216 Overview of display modes 216 Plan view 217 Projection in 3 planes 217 3 D view 217 Magnifying details 218 Repeating graphic simulation 219 11 2 Test run 220 Function 220 Running a program test 220 Running a program test up to a certain block Operating time 221 11 3 Program TUM cui 222 Application 222 Background programming 222 Operating time 222 221 Changing the erosion parameters during program run 222 Running a part program 223 Interrupting machining 223 Mid program startup block scan 224 Resuming program run after an interruption Returning to the interruption spot 226 Resuming program run with the GOTO key Resetting the counters 227 Time capture table TIME W 227 225 226 12 1 MOD functions 230 Selecting Changing and Exiting the MOD
100. for selecting the screen layout Top program Bottom positions Top left program Top right status Bottom positions Top left program Top right graphics Bottom positions PROGRAM RUN FULL SEQU 7432 BEGIN PGM 7432 MM BLK FORM 1 Z K Y 0 2 40 BLK FORM 2 K 1 Y 100 2 0 TOOL CALL 1 2 Uti F FN 0 QO 15 FN 0 Q1 0 FN 0 08 0 055 8 1 2 3 4 5 6 FN 0 Q10 1 253 86280200 ae 0 0000 Y 0 0000 0 0000 M 0 0000 mm Lp BLK FORM PERN LI NV oFF 1 Introduction 1 4 Status Display General status display Besides the coordinates the status display also contains the following information Type of position display ACTL NOML etc Axis is locked Won the axis Number of the current electrode T Electrode axis Feed rate F Active miscellaneous functions M TNC is in operation indicated by gt Name of the selected erosion table Permissible power stages GENERATOR cycle Current power stage Additional status displays In all modes of operation except PROGRAMMING AND EDITING T you can split the screen layout to display additional status information in the right screen window Information on the current electrode STATUS TOOL General program information STATUS PGM Information on the current OEM cycle STATUS CYCLE Positions and coordinates STATUS POS Active coordinate transformations STATUS TRANSF Tilting the working plane STATUS C
101. g the STOP function is reached You can also enter an M function in a STOP block If the program run is to be interrupted for a specified time use Cycle 9 DWELL TIME see also DWELL TIME Cycle 9 on page 171 Enter STOP function sto Select STOP function STOP If desired Enter miscellaneous function e g M6 electrode change Example NC block HEIDENHAIN TNC 406 TNC 416 121 7 1 Entering miscelancousm nctions M and STOP D 72 Miscellaneous Functions for Program Run Control Electrode 2 and Flushing LL m 5 Overview amm S M__Effect Effective at block start end i 5 M00 Stop program run M02 Stop program run Go to block 1 Clear the status display dependent a on machine parameter 7300 ae M03 Free rotation of the C axis direction of rotation set by the machine tool hr builder amm T M04 Free rotation of the C axis direction Q of rotation set by the machine tool builder amm M05 Stop free rotation of the C axis an M06 Electrode changing Program run stop dependent on machine parameter 7440 ey M08 Flushing ON Som A M09 Flushing OFF Sum M13 Functionality of M03 M08 jem Te M14 Functionality of M04 M08 Oo M30 Same as M02 pm Q a LL N Oo eb am x od Q iL N 122 7 Programming Miscellaneous functions 73 Miscellaneous Functions for Contouring Behavior and Coordinate Data Introductio
102. h k i j F r Po ail n u ka F ee i a m Mar l kT E in ki TINGLE R 5i NC Software 280 620 xx 280 621 xx T VIRIS 286 180 xx a EEE m p E A fa a F rm an eT A 3 7 he aa ol NAHE Fra CALL TEP User s Manual A ke aed Rs Conversational JGD EI Gd td Cd Ca i Programming English en 4 2001 Controls on the visual display unit 1 Split screen layout N Switch between machining or programming modes a Soft keys for selecting functions in screen Switching the soft key rows Changing the screen settings only BC 120 Typewriter keyboard for entering letters and symbols File names Q W E R T WY comments programs Machine operating modes MANUAL OPERATION INCREMENTAL JOG POSITIONING WITH MDI PROGRAM RUN SINGLE BLOCK PROGRAM RUN FULL SEQUENCE Programming modes PROGRAMMING AND EDITING TEST RUN Program file management TNC functions FA Select programs and files Delete programs and files only TNC 406 K Activate external data transfer only TNC 406 wo Pocket calculator Moving the highlight going directly to blocks cycles and parameter functions Move highlight Go directly to blocks cycles and parameter O functions Override control knobs for feed rate C axis 100 100 50 C 150 50 OS 150 WW F Os 0 Programming path movements Straight line Circle center pole for polar coor
103. he TOOL table is ignored Otherwise the undersize from the TOOL table is valid Example Electrode call Call electrode number 5 in the tool axis Z The diametrical electrode undersize is 0 5 mm 76 5 Programming Tools Following electrode Answering YES to FOLW ELECTRODE prevents the workpiece from being damaged by too large an amount of taper caused by insufficient flushing or deep mold cavities during roughing operations at high current For the gap between the electrode and the workpiece the TNC multiplies the minimum gap by the value in Q157 The value in Q157 is determined by your answer to FOLW ELECTRODE Call with following electrode finishing small undersize narrow gap O157 Call without following electrode roughing large undersize wide gap 1 lt Q157 lt 2 5 Changing the electrode The electrode can be changed automatically or manually Automatic electrode change with EL CALL w The function for automatic electrode change is adapted to C the TNC by the machine tool builder Refer to your machine tool manual If your machine features an automatic handling system you can program an automatic electrode change with the EL CALL function EL CALL combines the functions TOOL DEF and TOOL CALL Select the Programming and Editing mode of operation FL Select the EL CALL function with the EL CALL soft key Electrode name Enter the name of the electrode e g 1 You can enter u
104. he compensation value for length L of the electrode is displayed Write down the value and enter it later or transfer the value with the actual position capture function Entering electrode data into a program For each electrode the electrode data can be entered once in the part program Electrode number Electrode length compensation value L Electrode radius R To enter the electrode data into a program block The number length and radius of a specific electrode is defined in the TOOL DEF block of the part program To select tool definition press the TOOL DEF key Tool number Assign a number to the electrode DEF Tool length Compensation value for the tool length Tool radius Compensation value for the tool radius iE The electrode length L can be transferred directly into the electrode definition with the actual position capture function see Actual Position Capture on page 84 Cycle 3 TOOL DEF see Cycle 3 TOOL DEF on page 135 deletes the tool length from the TOOL DEF inition Example HEIDENHAIN TNC 406 TNC 416 73 E Electrodes E Electrodes Entering electrode data in tables You can define and store up to 999 tools and their tool data in a tool table You can assign a pocket number in the tool magazine to the tools KE With MP7261 you can limit the number of pockets in the tool magazine There is no limiting if MP7261 0 Setting MP7265 1 prevents multiple assignment of a pocket number
105. helix To program a helix you must enter the total angle through which the tool is to move on the helix in incremental dimensions and the total height of the helix For calculating a helix that is to be cut in a upward direction you need the following data Thread revolutions n Thread revolutions thread overrun at the start and end of the thread Total height h Thread pitch P times thread revolutions n Incremental total Number of revolutions times 360 angle for angle IPA beginning of thread angle for thread overrun Starting coordinate Z Pitch P times thread revolutions thread overrun at start of thread Shape of the helix The table below illustrates in which way the shape of the helix is determined by the work direction direction of rotation and radius compensation Right handed Z DR RL Left handed Z DR RR Right handed Z DR RR Left handed Z DR RL Right handed Z DR RR Left handed Z DR RL Right handed Z DR RL Left handed Z DR RR HEIDENHAIN TNC 406 TNC 416 113 6 5 Path Contours i Coordinates 6 5 Path Contours a Coordinates Programming a helix CEP Always enter the same algebraic sign for the direction of rotation DR and the incremental total angle IPA The tool may otherwise move in a wrong path and damage the contour For the total angle IPA you can enter values from 5400 to 5400 If the thread has more than 15 revolutions program the helix in a
106. ices The TNC and non HEIDENHAIN device must be adapted to each other To adapt a non HEIDENHAIN device to the TNC PC adapt the software Printer Set the DIP switches To adapt the TNC to a non HEIDENHAIN device Set the user parameters 5010 to 5020 for EXT 256 13 Tables and Overviews 13 4 Technical Information Je Description Contouring control for ram EDM machines with up to 5 axes z Oo Components Logic unit Keyboard CRT T Flat screen only TNC 416 am Data interfaces RS 232 C V 24 co RS 422 V 11 Expanded data interface with LSV 2 protocol for remote operation of the TNC through the data interface with the HEIDENHAIN software ep TNCremo ap Simultaneous axis control for contour Straight lines up to 3 axes elements Circles up to 2 axes Helix with C axis interpolation Background programming One part program can be edited while the TNC runs another program Graphics Test run graphics File types HEIDENHAIN conversational programming Erosion tables Tool tables Datum tables Program memory Battery buffered for up to 100 files Capacity approximately 10 000 blocks TNC 406 or 20 000 blocks TNC 416 Block processing time 15 ms block 4 000 blocks min Control loop cycle time TNC 406 416 switchable 2 ms or 4 ms MP 1700 Data transfer rate Max 38 400 baud Ambient temperature Operation 0 C to 45 C 32 to 113 F Storage 30 C to 70 C 22 F to 158 F Traverse
107. ift End of main program Start of the subprogram for the geometry of the original contour End of subprogram 167 A contour section Subprogram 1 Is to be executed as originally programmed at the manually set datum X 0 Y 0 and then referenced to position X 60 Y 70 and executed with a scaling factor of 0 8 e Transformation Cycles 5 O O O o SCALING FACTOR cycle in a part program 68 Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Desired erosion table Select power stage Define the tool Tool call Version in original size 1 Version with scaling factor Sequence 1 Datum shift 2 2 Define scaling factor 3 3 Call subprogram scaling factor effective 8 Programming Cycles HEIDENHAIN TNC 406 TNC 416 Cancel transformations Reset the datum shift End of main program Start of the subprogram for the geometry of the original contour Pre positioning in the X Y plane Move to end depth eroding ON Retract in the X Y plane eroding OFF 169 8 5 voor Transformation Cycles Execute disk cycle with 45 tilt in the B axis depth 10 mm For calculation of the cycle parameters see example Cycle DISK e Transformation Cycles 5 O O O al o WORKING PLANE cycle in a part program 70 _ Cycle GENERATOR see Cycle 1 GENERATOR on page 133
108. il it touches the workpiece Gap control becomes effective upon contact The TNC deduces the eroding direction from the axis direction button that was last pressed CS In the MANUAL mode of operation you can erode up to the limit switch In the JOG INCREMENT mode of operation the workpiece is eroded the preset distance During erosion you can only move the electrode in the other axes by using the handwheel To end the erosion process press the machine axis direction button for the opposite direction HEIDENHAIN TNC 406 TNC 416 21 2 2 Moving the waeningres 2 3 Datum M 2 3 Datum Setting The production drawing identifies a certain form element of the workpiece usually a corner as the absolute datum and usually one or more form elements as relative datums see Setting the datum on page 47 Through the datum setting process the origin of the absolute or relative coordinate systems Is set to these datums The workpiece aligned to the machine axes is brought into a certain position relative to the electrode and the display is set to zero or the appropriate position value i e to account for the electrode radius Example Coordinates of Point 1 X 10mm Y 5mm Z Omm The datum of the rectangular coordinate system is located negative 10 mm on the X axis and negative 5 mm on the Y axis from Point 1 The fastest easiest and most accurate way of setting the datum is by using the probing functio
109. ing and subsequent contour elements Circular Arc CT 83 8 a Circular arc with tangential Rounding off radius R connection to the preceding and subsequent contour elements Corner Rounding RND oa D n S Oo 6 4 Path Contours Ca HEIDENHAIN TNC 406 TNC 416 93 asian Coordinates 6 4 Path Contours C Straight line L The TNC moves the tool in a straight line from its current position to the straight line end point The starting point is the end point of the preceding block Coordinates of the end point of the straight line Further entries if necessary Radius compensation RL RR RO Feed rate F Miscellaneous function M Example NC blocks Actual position capture You can also generate a straight line block L block by using the ACTUAL POSITION CAPTURE key In the Manual Operation mode move the tool to the position you wish to capture Switch the screen display to Programming and Editing Select the program block after which you want to insert the L block Press the ACTUAL POSITION CAPTURE key The TNC generates an L block with the actual position coordinates rc In the MOD function you define the number of axes that the TNC saves in an L block 6 Programming Programming Contours Programming a straight line Example programming a straight line Initiate the programming dialog e g for a straight line 6 4 Path Contours D
110. ing point and end point The starting point and end point of machining are off the workpiece near the first or last contour element The tool path to the starting or end point is programmed without radius compensation Input The RND function is entered at the following points in the program For the approach path RND is programmed after the block containing the first contour element the first block with radius compensation RL RR E For the departure path RND is programmed after the block containing the last contour element the last block with radius compensation RL RR Example NC blocks CS The radius in the RND function must be selected such that it is possible to perform the circular arc between the contour point and the starting point or end point HEIDENHAIN TNC 406 TNC 416 Starting point S First contour point A Tangential approach Last contour point B Tangential departure End point E 91 ch and Departure 6 2 Contour Appro a Path functions 6 3 Path functions General Part program input You create a part program by entering the workpiece dimensions Coordinates are programmed as absolute or relative incremental values In general you program the coordinates of the end point of the contour element The TNC automatically calculates the path of the electrode based on the electrode data length and radius and the radius compensation Programmed machine axis movement All axes
111. ion by pressing PROBING Pes POS Move the probing electrode to a position near the first touch point 1 Select the probing direction with a soft key To probe the workpiece press the machine START button If you will need the current datum later write down the value that appears in the Datum display Set the datum to 0 To terminate the dialog press the END key Select the touch probe function again Press PROBING POS Move the probing electrode to a position near the second touch point 2 Select the probe direction with the soft keys Same axis but from the opposite direction To probe the workpiece press the machine START button The value displayed as DATUM is the distance between the two points on the coordinate axis To return to the datum that was active before the length measurement Select the probing function by pressing PROBING POS Probe the first touch point again set the DATUM to the value that you wrote down previously To terminate the dialog press the END key 34 2 Manual Operation Setup and Probing Functions Measuring angles You can also use the probing electrode to measure angles in the working plane You can measure the angle between the angle reference axis and a workpiece side or the angle between two sides The measured angle is displayed as a value of maximum 90 To find the angle between the angle reference axis and a side of the workpiece PROBING IK ROT Sel
112. irst The easiest method of programming a full circle is described on page 111 6 Programming Programming Contours Circular path CR with defined radius The electrode moves on a circular path with the radius R Coordinates of the arc end point Radius R Note The algebraic sign determines the size of the arc gt Direction of rotation DR Note The algebraic sign determines whether the arc IS Concave or convex Further entries if necessary Miscellaneous function M Feed rate F Full circle To program a full circle you must enter two CR blocks in succession The end point of the first semicircle is the starting point of the second circle The end point of the second semicircle is the starting point of the first The easiest method of programming a full circle is described on page 111 Central angle CCA and arc radius R The starting and end points on the contour can be connected with four arcs of the same radius Smaller arc CCA lt 180 Enter the radius with a positive sign R gt 0 Larger arc CCA gt 180 Enter the radius with a negative sign R lt 0 The direction of rotation determines whether the arc Is curving outward convex or curving Inward concave Convex Direction of rotation DR with radius compensation RL Concave Direction of rotation DR with radius compensation RL Example NC blocks HEIDENHAIN TNC 406 TNC 416
113. irst contour point with radius compensation eroding ON End point of first semicircle clockwise rotation End point of second semicircle clockwise rotation Retract tool in the working plane eroding OFF Move electrode to set up clearance rapid traverse End of program 6 Programming Programming Contours HEIDENHAIN TNC 406 TNC 416 Define blank form for graphic workpiece simulation Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table CUST1 Set power stage here to stage 6 Define electrode in the program Call electrode in the infeed axis Z undersize 1 5 mm Retract in the infeed axis orient electrode eroding OFF Pre position in X and Y rapid traverse Move to working depth Approach the contour at point 1 with radius compensation eroding ON Point 2 first straight line for corner 2 Insert radius with R 10 mm Move to point 3 Starting point of the arc with CR Move to point 4 End point of the arc with CR radius 30 mm Move to point 5 Move to point 6 Move to point 7 End point of the arc radius with tangential connection to point 6 TNC automatically calculates the radius 107 6 4 Path Contours oa Coordinates Move to last contour point 1 Retract tool in the working plane eroding OFF Move electrode to set up clearance rapid traverse asian Coordinates 6 4 Path Contours C 108 6 Programming Programming Contours 6 5 Path Contours
114. istortion ROTATION Correct tilting COLOR TEMP Adjust color temperature R GAIN Adjust strength of red color B GAIN Adjust strength of blue color RECALL No function The BC 110 and BC 120 are sensitive to magnetic and electromagnetic noise which can distort the position and geometry of the picture Alternating fields can cause the picture to shift periodically or to become distorted Screen layout You select the screen layout yourself In the TEST RUN mode of operation for example you can have the TNC show program blocks in the left window while the right window displays programming graphics You could also display the tool status in the right window instead or display only program blocks in one large window The available screen windows depend on the selected operating mode To change the screen layout Press the SPLIT SCREEN key The soft key row shows the available layout options see Modes of Operation on page 6 PGM Select the desired screen layout GRAPHICS 1 Introduction Keyboard BEM Atal iC The figure at right shows the keys of the keyboard grouped according to their functions WEEP RJ TP Yiu Ob F GIH 3 Alphabetic keyboard for entering text and file names File management MOD functions Programming modes Machine operating modes Initiation of programming dialog Arrow keys and GOTO jump command Numerical input and axis selection N OF kh W The functi
115. ith a probing electrode during program run Introduction You can use a probing electrode to probe positions on the workpiece during program run Applications Measuring differences in the height of cast surfaces Tolerance checking during machining To program the use of a probing electrode press the TOUCH PROBE key You pre position the electrode to automatically probe the desired position The coordinate measured for the probe point is stored in a Q parameter The TNC interrupts the probing process if the electrode does not reach the workpiece within a certain distance programmed in MP6130 The C axis can also be defined as the electrode axis HEIDENHAIN TNC 406 TNC 416 199 ing program run tha prom electrode dur ing wi 10 8 Measur To program the use of a probing electrode Select the probing function Press the TOUCH PROBE key To select the touch probe functions ing program run 5 JUE Enter the number of the Q parameter that you want to assign the coordinate to e g Ob Enter the probing axis for the coordinate e g X x Select the probing direction and confirm it Enter all coordinates of the pre positioning point of the electrode e g X 5mm Y 1mm Z 5 mm tha electrode dur lt z gt 5 O a Concludes your input gt N gt Example NC blocks OO 180 TCH PROBE 0 0 REF PLANE Q5 X S181 TCH PROBE 0 1 X45 402 5 q tE P
116. ithin the program Cycle 2 ERO TIME LIM must be located before Cycle 17 DISK or Cycle 16 ORBIT or before the positioning block with M93 Cycle 2 ERO TIME LIM influences Q parameter Q153 To enter Cycle 2 ERO TIME LIM CYCL Open the cycle directory DEF Select Cycle 2 0 ERO TIME LIM pa or Enter eroding time T e g T 15 min Example NC blocks HEIDENHAIN TNC 406 TNC 416 145 8 4 Erosion Cycles 8 4 Erosion Cycles Cycle 4 SPARK OUT TIME The SPARK OUT TIME cycle determines how long sparking out should last rc The defined spark out time remains effective until you enter a new Cycle 4 or a new program is selected in a Program Run mode Then the spark out time set in MP2110 is once again effective To enter Cycle 4 SPARK OUT TIME CYCL Open the cycle directory DEF Select Cycle 4 0 SPARK OUT TIME v Enter the spark out time T in seconds for example I 5 seconds Sz Example NC blocks 146 8 Programming Cycles 8 4 Erosion Cycles A cavity is to be eroded with the electrode in the drawing at right Coordinates of the cavity X Y 50 mm Depth of the cavity Z 5 mm Tool compensation for X 10mm Z 5mm The TNC automatically takes account of the compensation values in the program You only have to enter the actual coordinates for the position of the cavity and the eroding depth Program section Cycle 3 TOOL DEF Tool number
117. ity setting influences the gap signal that the generator sends to the TNC The characteristic curve shows the nominal speed value plotted against the gap voltage w The machine tool builder can give you information on this aa erosion parameter Refer to your machine tool manual Electrode polarity P To minimize wear on the electrode and ensure a high rate of stock removal you must set the correct electrode polarity Input value Positive electrode 0 Negative electrode 1 ce If you mount the electrode on the machine table you must change the electrode polarity defined in the machine table The TNC does not reverse the polarity automatically High voltage selector HS The high voltage is the voltage that the generator applies to the electrode and workpiece Setting High value for HS For large gaps and for high rate of stock removal Low value for HS with ignition pulse For small gaps and for low rate of stock removal Low value for HS without ignition pulse For a few specific hard metals and very small electrodes 66 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables KA O U HS Oo T ON t Wear rate WR The wear rate is the ratio between the volume of material removed from an electrode Ve and the volume of material removed from the workpiece Vw WR Ve Vw 100 For the wear rate on the electrode for your particular machining task
118. ks GF For incremental coordinates enter the same sign for DR and PA For PA you may enter values from 5400 to 5400 The end point of the circle may not be identical with the starting point of the circle Full circle For a full circle you must program the incremental polar coordinate angle IPA with 360 The electrode moves from the starting point around the circle center CC The linear coordinate IC 360 rotates the electrode in synchrony with the angle on the circular path I You can only program a full circle with the incremental polar coordinate angle IPA Example NC blocks HEIDENHAIN TNC 406 TNC 416 111 6 5 Path Contours i Coordinates 6 5 Path Contours a Coordinates Circular path CTP with tangential connection The tool moves on a circular path starting tangentially from a preceding contour element Polar coordinates radius PR Distance from the arc A end point to the pole CC Polar coordinates angle PA Angular position of the arc end point Example NC blocks C The pole CC is not the center of the contour arc 6 Programming Programming Contours Helical interpolation A helix is a combination of a circular movement in a main plane and a liner movement perpendicular to this plane A helix is programmed only in polar coordinates Application Large diameter internal and external threads Lubrication grooves Calculating the
119. lays an error message in the graphics window To clear the error message reduce or enlarge the workpiece blank Repeating graphic simulation A part program can be graphically simulated as often as desired either with the complete workpiece or with a detail of it Restore workpiece blank to the detail magnification in which it was last shown FORM Reset detail magnification so that the machined workpiece or workpiece blank is displayed as It was MAGNIFY programmed with BLK FORM CS With the RESET MAGNIFY soft key you return the displayed workpiece blank to its originally programmed dimensions even after isolating a detail without TRANSFER DETAIL HEIDENHAIN TNC 406 TNC 416 219 11 1 Graphics 11 2 Test run 11 2 Test run Function In the TEST RUN mode of operation you can simulate programs and program sections to prevent errors from occurring during program run The TNC checks the programs for the following Geometrical incompatibilities Missing data Impossible jumps The following TNC functions can be used in the TEST RUN mode of operation Blockwise test run Optional Block Skip Functions for graphic simulation Running a program test 6 Select the Test Run mode of operation gt Choose the program you want to test Press the soft key START The TNC then tests the program to its end or up to the next programmed interruption The TNC then displays the following soft keys Reset program
120. le in the PC window highlighted with a mouse click and activate the functions lt File gt lt Transfer gt If you want to control data transfer from the TNC establish the connection with your PC in the following way Select lt Connect gt lt File server FE gt TNCremo is now in server mode It can receive data from the TNC and send data to the TNC You can now call the file management functions on the TNC by pressing the key PGM MGT in order to transfer the desired files End TNCremo Select the menu items lt File gt lt Exit gt or press the key combination ALT X Refer also to the TNCremo help texts where all of the functions are explained in more detail 238 12 MOD Functions Data transfer between the TNC and TNCremoNT Ensure that The TNC is connected to the correct serial port on your PC The TNCremoNT operating mode is set to LSV2 The data transfer speed set on the TNC is the same as that set on TNCremoNT Once you have started TNCremoNT you will see a list of all of the files that are stored in the active directory on the upper section of the main window 1 Using the menu items lt File gt lt Change directory gt you can change the active directory or select another directory on your PC If you want to control data transfer from the PC establish the connection with your PC in the following way Select lt File gt lt Setup connection gt TNCremoNT now receives the file a
121. m for graphic workpiece simulation Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table CUST Set power stage here to stage 3 Define electrode in the program Call electrode in the infeed axis Z undersize 1 mm Retract in the infeed axis orient electrode rapid traverse Pre position in X and Y rapid traverse Move to working depth Approach the contour at point 1 with radius compensation eroding ON Move to point 2 Point 3 first straight line for corner 3 Program chamfer with length 10 mm 6 Programming Programming Contours HEIDENHAIN TNC 406 TNC 416 Point 4 2nd straight line for corner 3 1st straight line for corner 4 Program chamfer with length 20 mm Move to last contour point 1 second straight line for corner 4 Retract tool in the working plane eroding OFF Move electrode to set up clearance rapid traverse End of program 105 6 4 Path Contours oi Coordinates tes ina sian Coord i 6 4 Path Contours C 06 Start of program Define the workpiece blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table HDH700 Set power stage here to stage 6 Define electrode in the program Call electrode in the infeed axis Z undersize 1 5 mm Set up clearance orient electrode eroding OFF Define the circle center Pre position the tool Move to working depth Move to f
122. me limit Q153 The TNC assigns values to the Q parameter Q153 If you are machining with Cycle 2 ERO TIME LIM Return jump to the main program Q153 0 for example from the subprogram Time exceeded during eroding and Q153 1 Cycle 17 DISK cancelled Cycle 2 ERO TIME LIM completed Q153 2 Data about following electrode Q157 Following electrode YES Q157 1 Following electrode NO Q157 MP2040 Number of the cycle called with CYCL CALL Q162 Cycle number Q162 Gap size LS max when machining which Cycle 1 GENERATOR _ A Gap size Q164 Q parameters with special functions The TNC uses some Q parameters for example to exchange coordinates between the datum table or the integrated PLC and the program Q parameters for the datum table Q81 to Q84 The TNC exchanges coordinates between the datum table and the machining program with the following Q parameters Number of the datum in the table Q80 X coordinate O81 Y coordinate Q82 Z coordinate Q83 C coordinate Q84 Coordinate of the fifth axis Q85 206 10 Programming Q Parameters Q parameters from the PLC Q100 to Q107 The TNC can assume preassigned O parameters from the integrated PLC Q100 to Q107 The machine tool builder can give you more information about these O parameters Machining time Q161 The TNC stores the current machining time in Q parameter Q161 Format hh mm ss HEIDENHAIN TNC 406 TNC 416 207 10 9 O j ee
123. mm Electrode data Cylindrical electrode Electrode radius Re 9 9 mm Electrode undersize U 4 2 mm Width of the erosion gap B 0 1 mm Calculation of the expansion radius Expansion radius for Cycle 17 DISK RAD 0 5 4 2 mm 0 1 mm 2 mm Example 1 top illustration Pre position over the workpiece surface circular expansion Example 2 bottom illustration Erode to 10 mm depth circular expansion without pecking 1 O lt 2 D a NI z N A 5 ek gt D 5 D or e oO D x D 3 aos D HEIDENHAIN TNC 406 TNC 416 Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Desired erosion table Select power stage Electrode length electrode radius Undersize Pre positioning Cycle 17 DISK see Cycle 17 DISK on page 142 Eroding depth Z 10 mm eroding ON Expansion radius RAD 2 mm circular expansion Retract to set up clearance eroding OFF 153 8 4 Erosion Cycles Cycle 17 DISK in the part program example 2 8 4 Erosion Cycles 54 Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Desired erosion table Select power stage Electrode length electrode radius Undersize Pre position over the workpiece surface Erode to end depth eroding ON Cycle 17 DISK Incremental eroding depth eroding ON Expansion radius RAD 2 mm circular expansion Retract to set up clearance eroding OFF 8 Progra
124. mming Cycles 8 5 Coordinate Transformation Cycles Cycles for electrode definition You can enter electrode data in this cycle in a manner similar to the NC function TOOL DEF In addition you can program an electrode compensation in up to four axes Coordinate transformation cycles Once a contour has been programmed you can position it on the workpiece at various locations and in different sizes through the use of coordinate transformations For example you can Move a contour DATUM SHIFT Cycle 7 Mirror a contour MIRROR IMAGE Cycle 8 Rotate a contour ROTATION Cycle 10 Reduce or increase the size of a contour SCALING FACTOR Cycle 11 The original contour must be marked in the main part program as a Subprogram or program section repeat In addition the function Tilt working plane can be used to execute Cycle 16 ORBIT Cycle 17 DISK or an OEM cycle in a tilted system of coordinates Canceling coordinate transformations You can cancel a coordinate transformation in the following ways Define cycles for basic behavior with a new value such as scaling factor 1 0 Execute the miscellaneous function M02 or M30 or an END PGM block depending on machine parameters Select a new program HEIDENHAIN TNC 406 TNC 416 155 8 5 voor Transformation Cycles 8 5 coordi Transformation Cycles DATUM SHIFT Cycle 7 Application Machining operations can be repeated at various locations on the wo
125. mode of operation The machining process is interrupted at the end of the current block Select PROGRAM RUN SINGLE BLOCK Mid program startup block scan If you want to start the program not at the first block but at some other block Test the program in the operating mode TEST RUN up to the desired block Switch to the program mode PROGRAM RUN Start the program at the current block The TNC moves the axes towards the contour in a pre determined sequence positioning logic While the TNC is moving the axes a message is displayed indicating that reapproach Is active You can switch back and forth between the operating modes TEST RUN and PROGRAM RUN as often as desired 224 11 Test run and Program Run Resuming program run after an interruption After an interruption you can resume program run at the point where the program was Interrupted M functions that are not evaluated by the NC must first be manually activated CS If program run was interrupted during a fixed cycle you must restart at the beginning of the cycle Steps which have already been carried out will then be performed again If you have interrupted a called program during program run the TNC automatically offers the main program when you press the PGM NAME or PGM MGT key Resuming program run with the START button It is possible to resume program run with the machine START button if the program was interrupted in one of the following ways Th
126. n The following miscellaneous functions allow you to change the TNC s standard contouring behavior in certain situations Machining small contour steps E Machining open contours 2 Entering machine referenced coordinates E Retracting the electrode to the block starting point at the end of block Machining small contour steps M97 Standard behavior without M97 The TNC inserts a transition arc at outside corners If the contour steps are very small however the tool would damage the contour In such cases the TNC interrupts program run and generates the error message Tool radius too large Behavior with M97 The TNC calculates the intersection of the contour elements as at inside corners and moves the tool over this point see illustration bottom right Program M97 in the same block as the outside corner Effect M97 is effective only in the blocks in which it is programmed I A corner machined with M97 will not be completely finished You may wish to rework the contour with a smaller tool Example NC blocks Large tool radius Move to contour point 13 Machine small contour step 13 to 14 Move to contour point 15 Machine small contour step 15 to 16 Move to contour point 17 HEIDENHAIN TNC 406 TNC 416 123 7 3 Miscellaneous Functions for Contouring a in Coordinate Data 7 3 Miscellaneous Functions for Contouring ehay Ana Coordinate Data Machining open contours M98 Standard behavi
127. n 16 revolutions 118 Identify beginning of program section repeat Enter the thread pitch as an incremental IZ dimension Program the number of repeats thread revolutions 6 Programming Programming Contours E 7 1 Entering Miscettaneoudtfinctions M and STOP 7 1 Entering Miscellaneous Functions M and STOP Fundamentals With the TNC s miscellaneous functions also called M functions you can affect H Program run Machine functions Electrode behavior An overview of how the miscellaneous functions are set in the TNC is shown on the inside rear cover This table shows if a function becomes effective at the beginning or at the end of the block in which it was programmed Answer the dialog question in the positioning block To enter the miscellaneous function press the M soft key ow 8 Enter miscellaneous function e g M38 Entering an M function in a STOP block ow lt Enter miscellaneous function e g M39 Example NC block If you program a miscellaneous function in a STOP block the program run is interrupted at the block z Certain miscellaneous functions do not work on certain machines There may also be additional miscellaneous functions available which have been defined by the machine tool builder 20 7 Programming Miscellaneous functions The program run or test run is interrupted when the NC block containin
128. n Cycles A machining sequence in the form of a subprogram Is to be executed twice E once reference to the specified datum 1 X 0 Y 0 and E a second time reference to the shifted datum 2 X 40 Y 60 e Transformation Cycles 5 O O O i 00 J gt j C e Tl j lt ul D 5 D pe as e Q D 3 62 Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table HDH700 Select power stage Define the tool Tool call Without datum shift Datum shift in the X Y plane With datum shift Reset the datum shift 8 Programming Cycles 8 5 voor Transformation Cycles HEIDENHAIN TNC 406 TNC 416 End of main program Start of the subprogram for the geometry of the original contour Pre positioning in the X Y plane Pre positioning in the Z plane Move to end depth eroding ON Traverse the first contour point Retract in the X Y plane eroding OFF Retract in Z direction End of subprogram 163 A program section Subprogram 1 Is to be executed once as originally programmed at position X 0 Y 0 1 and then once mirrored in X3 at position X 70 Y 602 e Transformation Cycles 5 O O O i 00 JJ JJ O JJ gt G m O lt D 5 Q as e Q Q 3 64 Cycle GENERATOR see Cycle 1 GENERATOR on page 133
129. n a separate program In the part program you then call the program containing the electrode definitions with the PGM CALL command Electrode axis C You can define the C axis as the electrode axis The TNC then operates as if the Z axis were the electrode axis This also holds for radius compensation and for the ROTATION cycle Determining the electrode data Electrode number Each electrode is assigned a number from O to 99 999 999 Electrode number 0 is defined as having length L 0 and radius R 0 when the electrode data are entered into the program Electrode radius R The radius of the electrode is entered directly Electrode length L The compensation value for the electrode length is defined as a length difference between the electrode and a zero electrode or with a tool presetter If electrode lengths are determined with a tool presetter they should be entered directly into the electrode definition TOOL DEF block without further conversions 72 5 Programming Tools Determining the electrode length with a zero electrode Sign of the electrode length L L gt LO The tool is longer than the zero tool L lt LO The tool is shorter than the zero tool To determine the length Move zero electrode to the reference position in electrode axis such as workpiece surface with Z 0 If necessary set datum in electrode axis to zero Insert electrode Move electrode to the same reference position as zero electrode T
130. n a subprogram 9 5 Nesting program sections or subprograms can call further program sections or subprograms Maximum nesting depth for subprograms 8 E Maximum nesting depth for calling main programs 4 Subprogram within a subprogram Calling a subprogram at LBL 1 Last program block of the main program with M2 Beginning of subprogram 1 Call the subprogram marked with LBL2 End of subprogram 1 Beginning of subprogram 2 End of subprogram 2 m x D 3 gcd D Z O e zi A HEIDENHAIN TNC 406 TNC 416 179 Program execution Main program SUBPGMS is executed up to block 17 Subprogram 1 is called and executed up to block 39 Subprogram 2 is called and executed up to block 62 End of subprogram 2 and return jump to the subprogram from which it was Called Subprogram 1 is executed from block 40 up to block 45 End of subprogram 1 and return jump to the main program SUBPGMS Main program SUBPGMS is executed from block 18 up to block 35 Return jump to block 1 and end of program N 9 5 Nesting Ol A subprogram that ends with LBL O cannot be located within another subprogram Repeating program section repeats Example NC blocks Beginning of program section repeat 1 Beginning of program section repeat 2 The program section between this block and LBL 2 block 20 is repeated twice The program section between this block and LBL 1 block 15 is repeated onc
131. nctions M Entering values Miscellaneous function M To enter the miscellaneous function press the M soft key Enter a miscellaneous function e g M6 G Start the miscellaneous function i The machine tool builder determines which miscellaneous functions M are available on your TNC and what function they have Refer to your machine manual 2 Manual Operation Setup and Probing Functions E MDI ad A Ga E ad loning wi 3 1 Posit 3 1 Positioning with Manual Data Input MDI The POSITIONING WITH MANUAL DATA INPUT mode of operation is particularly convenient for simple machining operations or exact pre positioning of the electrode You can write a program in conversational programming and execute it Immediately You can also define and call TNC cycles The program is stored in the file MDI cc PGM CALL can not be used to call a program LBL CALL can not be used for calling sub routines or repeating sections of programs For a TOOL CALL block to processed the corresponding TOOL DEF tool definition must be programmed within the MDI file Incremental positionings always refers to the present electrode position Programming a radius compensation RL RR is not permitted Positioning with manual data input MDI Select the Positioning with MDI mode of operation Program the file MDI as you wish O To start program run press the machine START
132. nd Editing mode of operation FL Select the EL CORR function with the EL CORR soft Undersize comp Enter the undersize compensation Confirm your entry with the ENT key Electrode length comp Enter the electrode length compensation value Confirm your entry with the ENT key If no electrode length compensation Press the NO ENT key Electrode radius comp Enter the electrode radius compensation value Confirm your entry with the ENT key If no electrode radius compensation Press the NO ENT key Example Effect on O parameters The EL CORR block influences the pre assigned Q parameters Q108 Q158 and Q159 see also Electrode data 0108 Q158 to Q160 on page 203 78 5 Programming Tools 5 2 Electrode Compensation Values i For each electrode the TNC takes the compensation value for the electrode length into account for the electrode axis In the working gt plane it compensates the electrode radius e 2 Electrode length compensation z The compensation value for the electrode length goes into effect automatically as soon as an electrode is called and the spindle axis is moved The compensation value for the electrode length is cancelled by calling an electrode with length L 0 lt lt If a positive length compensation was active before TOOL CALL O the distance to the workpiece will be reduced It the electrode axis is positioned incrementally immediately following a TOOL CALL then in additi
133. nd directory structure from the TNC and displays this at the bottom left of the main window 2 To transfer a file from the TNC to the PC select the file in the TNC window with a mouse click and drag and drop the highlighted file into the PC window 1 To transfer a file from the PC to the TNC select the file in the PC window with a mouse click and drag and drop the highlighted file into the PC window 2 If you want to control data transfer from the TNC establish the connection with your PC in the following way Select lt Extras gt lt I NCserver gt TNCremoNT is now in server mode It can receive data from the TNC and send data to the TNC You can now call the file management functions on the TNC by pressing the key PGM MGT in order to transfer the desired Tiles End TNCremoNT Select the menu items lt File gt lt Exit gt ce Refer also to the TNCremoNT help texts where all of the functions are explained in more detail HEIDENHAIN TNC 406 TNC 416 lt Standard gt TNCremoNT File View Extras Help Hlal ajale ale AUL Name Oo Seef ttibute Type 25 01 25 01 25 01 25 01 25 01 25 01 25 01 25 01 25 01 01 01 Oo 01 0 01 0 01 0 01 0 01 0 01 01 01 01 01 0 01 0 01 0 0 0 01 0 01 0 01 01 01 0 01 0 01 0 01 11 26 20 01 11 26 50 01 11 27 02 01 11 27 02 01 11 26 20 01 11 27 12 01 11 27 12 01 11 27 28 01 11 27 24 70 01 00 00 70 01 00 00 7
134. nd of text FN 15 PRINT with Q parameters Q1 to 0255 Example FN 15 PRINT Q20 Transfers the value of the Q parameter You can transfer up to six Q parameters and numerical values simultaneously The TNC separates them with slashes Example NC block HEIDENHAIN TNC 406 TNC 416 197 10 7 a Q Parameters and Messages N O N N O N S 4 0 O ma 10 7 Out Indexed assignment The function FN16 INDEXED DATA ASSIGNMENT accesses a Q parameter in a previously created list for example a list of gap diameter values In the following example Q55 is the pointer parameter that points to a Q parameter in a list and Q200 is the base parameter that indicates the beginning of the list Example The TNC assigns to Q parameter Q20 the value that is in the fifth position in the list from Q200 Transferring values to from the PLC With the function FN 19 PLC you can send data to the PLC or receive data from the PLC Example The value 11 is transferred to word D280 The contents of Q parameter Q13 are transferred to word D284 optional entry can be ignored with NO ENT The value from word D512 is transferred to Q parameter Q77 by the PLC and can now be evaluated in the subsequent NC part 198 Q200 lt Q20 Q201 0 04 Q202 0 08 Q203 0 12 Q204 0 16 Q205 0 20 lt Q55 Q206 0 24 Q207 0 28 10 Programming Q Parameters 10 8 Measuring w
135. ndows Softkey _ gt 1 253 as 8 1 0 GENERATOR Top program Bottom positions Ea g 4 P TAG GOD P 2 MAX 3 MIN 3 d T L R 5 5 Top left program Top right status PGM i a HEL i Bottom positions POSITION S PAGE PAGE EL BLK l CORR FORM Test Run 4 q TEST RUN In the Test Run mode of operation the TNC checks programs and program sections for errors such as geometrical incompatibilities or 28 CYCL DEF 14 1 2 28 M36 missing or incorrect data within the program This simulation is pay GHEE DEE aoe PEI CORT supported graphically in different display modes 30 CYCL DEF 14 3 PRC 30 31 STOP M3 Soft keys for selecting the screen layout 32 END PGM 7432 MM Top program Bottom positions PGH POSITION Top left program Top right status PGM Bottom positions P STATUS Soo LUi eee of roar Fighe st ea ole eel STATUS Left program Right graphics PGM GRAPHICS Top left program Top right graphics Bottom positions GRAPHICS Graphics GRAPHICS Er et HEIDENHAIN TNC 406 TNC 416 7 1 3 Modes of operat Program Run Full Sequence and Program Run Single Block In the Program Run Full Sequence mode of operation the TNC executes a part program continuously to its end or to a manual or programmed stop You can resume program run after an interruption In the Program Run Single Block mode of operation you execute each block separately by pressing the machine START button Soft keys
136. ners The TNC moves the electrode in a transitional arc around outside corners The electrode rolls around the corner point If necessary the feed rate F of the electrode is automatically reduced at outside corners to reduce machine stress for example at very great changes of direction Inside corners The TNC calculates the intersection of the electrode center paths at inside corners It then starts the next contour element from this point This prevents damage to the workpiece at the inside corners The permissible electrode radius is therefore limited by the geometry of the programmed contour To prevent the tool from damaging the contour be careful not to program the starting or end position for machining inside corners at a corner of the contour 82 5 Programming Tools 5 3 Entering Electrode Related Data Introduction Besides the electrode data and compensation you must also enter the following information Feed rate F Miscellaneous functions M Feed rate F The feed rate is the speed in millimeters per minute or inches per minute at which the electrode center moves For eroding the teed rate is defined by machine parameters It can also be selected for positioning with eroding Input range F 0 to 30 000 mm min 1 181 Inch min The maximum feed rates can be different for the individual axes and are set In machine parameters Input Answer the dialog question in the positioning block 100 Enter
137. new program in a program run mode of operation or press the RESET soft key HEIDENHAIN TNC 406 TNC 416 227 11 3 Program run 4 i 12 1 MOD functions 12 1 MOD functions Selecting Changing and Exiting the MOD Functions Press the toggle key Select the desired MOD function with the corresponding soft key Use the horizontal arrow keys to change the setting or enter a value Press the END key to exit the MOD function Press the toggle key to return to the mode of 2 operation from which you called MOD Overview of MOD functions The MOD functions provide additional displays and input possibilities They are selected with soft keys The following functions are available Position Display Types Unit of measurement mm inches system information NC and software numbers Set data interface Axis traverse limits Machine specific user parameters Enter code number Q parameter status in test run or in program run mode of operation 230 12 MOD Functions Position Display Types The positions indicated in the figure are Starting position A Target position of the tool Z Workpiece datum W Scale datum M The TNC position displays can show the following coordinates Nominal position the instantaneous value NOML commanded by the TNC 1 Actual position the position at which the tool is ACTL presently located 2 Servo lag difference between nominalandactual LAG positions 3 Reference po
138. ng the datum Set the datum in any axis PApBING Pes Manual probing PROBING fF OEPTH Set the datum at a workpiece center PROBING jaa Set the datum at a circle center rer CC Set the datum at a corner PROBING JE After probing you can set a new datum or transfer the captured values to a datum or tool table Writing probed values to tables C In order to write probed values to datum tables the tables must be active on your TNC bit 2 in machine parameter 7224 0 The TNC writes the probed value to a table after the TRANSFER TO TABLE soft key is pressed You can choose a datum table NAME D as well as a tool table NAME 1 Select manual probing by pressing the TOUCH PROBE soft key Enter the name of the datum or tool table Enter the datum number or tool number Select the probing function and begin probing Press the TRANSFER TO TABLE soft key for the TNC to write the probed value to the selected table Writing probed values to a table while a program is running You can also write probed values to the TOOL table during program run Use miscellaneous function M109 to transfer the contents of the Q parameters Q81 to Q84 into the table TOOL T You can also use M108 to read the tool compensation values from the TOOL table into parameters O81 to 084 see also Q parameters for the datum table Q81 to Q84 on page 206 28 2 Manual Operation Setup and Probing Functions Datum setting in any axis Pje me Selec
139. ns Incremental coordinates are therefore also referred to as chain dimensions To program a position in incremental coordinates enter the prefix before the axis Example 2 Holes dimensioned in incremental coordinates Absolute coordinates of hole 4 X 10 mm Y 10 mm Hole 5 referenced to 4 Hole 6 referenced to 5 X 20 mm X 20 mm Y 10 mim Y 10 mm Absolute and incremental polar coordinates Absolute polar coordinates always refer to the pole and the reference axis Incremental polar coordinates always refer to the last programmed nominal position of the tool 46 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Setting the datum The production drawing identifies a certain form element of the workpiece usually a corner as the absolute datum and usually one or more form elements as relative datums Through the datum setting process the origin of the absolute or relative coordinate systems Is set to these datums The workpiece aligned to the machine axes is brought into a certain position relative to the electrode and the display is set to zero or the appropriate position value i e to account for the electrode radius see Datum Setting on page 22 Example The workpiece drawing at right shows holes 1 to 4 whose dimensions are shown with respect to an absolute datum with the coordinates X 0 Y 0 The holes 5 to 7 are
140. ns for datum determination 22 2 Manual Operation Setup and Probing Functions 2 4 Calibration and Setup Using an electrode An electrode and the probing functions of the TNC 406 can significantly reduce setup time The TNC 406 offers the following probing functions Compensation of workpiece misalignment Basic rotation Datum setting Measuring lengths and positions on the workpiece angles circle radii circle centers Measurements during program run xI The TNC must be prepared by the machine tool builder before the probing functions can be used In probing functions the electrode starts moving after the external START button is pressed The machine tool builder determines the feed rate F for movement towards the workpiece When the probing electrode touches the workpiece the TNC stores the coordinates of the probed position the probing electrode stops moving the probing electrode returns to its starting position in rapid traverse Se Machine parameter 6100 determines whether each probing process is to be executed once or several times maximum number of probing processes 5 If you wish to probe several times the TNC calculates the average of all touch points This average value is the probing result See also Selecting the General User Parameters on page 246 HEIDENHAIN TNC 406 TNC 416 23 2 4 Calibration a la 2 4 Calibration M Select the touch probe function Ov
141. nsfer Windows for external data transfer The TNC displays the files in three windows on the screen You can move from one window to another with the switch over keys to the left and right of the soft keys Top window All files on the external storage device Middle window NC programs and erosion tables on the external storage device default setting Bottom window All files in the TNC memory Under the list of files the TNC displays whether the files are in the TNC memory INTERNAL files or whether they are stored on an external device EXTERNAL files After that the number of files in the displayed directory are shown 234 CiN ene VGB TNC31 EXTERNAL FILES 5 Ci A4 0N GB TNC HDH OO E MDI H H an H H T EXTERNAL FILES RE 99999940 H INTERNAL FILES 1 PAGE PAGE COPY COPY PROTECT UNPROTECT FORM 12 MOD Functions 12 4 Selecting and Transferring Files Selecting the transfer function The data transfer functions are selected from the soft key row Selecting a file Select a file with the arrow keys The PAGE soft keys are for scrolling up and down in the file directory the same as in file management Transferring files Transferring files from the TNC to an external device The highlight is on a field stored in the TNC Transfer the selected file COPY no ExT Transfer all files COPY TNC EXT Transferring files from an external device to the TNC Use a cur
142. nt at end of block M93 Standard behavior The TNC executes the NC blocks as programmed Behavior with M93 The TNC retracts the electrode at the end of a block and moves It back to the starting point of this block This function can be used not only with linear but also with circular and helical movements M93 is effective only in the blocks in which it is programmed and only if M36 eroding ON is active HEIDENHAIN TNC 406 TNC 416 125 7 3 Miscellaneous Functions for Contouring a o Coordinate Data 2 74 Vacant miscellaneous functions od Vacant miscellaneous functions are defined by the machine tool builder They are described in your machine manual jam S MOMA amaa O T aa Q M01 M52 E M07 M53 M10 M54 M11 M55 M12 M56 M15 M57 M16 M58 s M17 M59 q M18 M60 M19 M61 M20 M62 M21 M63 M22 M64 M23 M65 M24 M66 M25 M67 M26 M68 M27 M69 M28 M70 M29 M71 M31 M72 M32 M73 M33 M74 M34 M75 M35 M76 M40 M77 126 7 Programming Miscellaneous functions suoijounj snosueyealil JUBDRA vL M79 M80 M82 M83 M84 M85 M86 M87 M88 M81 M42 M43 M44 M45 M46 M47 M48 M49 M50 M51 127 HEIDENHAIN TNC 406 TNC 416 E 8 1 a Overview of Cycles 8 1 General Overview of Cycles Frequently recurring machining sequences which comprise several working steps are stored in the TNC as standard cycles To enter the required data the user only has
143. ntour at point 1 with radius compensation eroding ON Move to point 2 Move to point 3 Move to point 4 Move to point 5 Move to point 6 Move to point 1 Retract tool in the working plane eroding OFF 115 6 5 Path Contours _ Coordinates 6 5 Path Contours a Coordinates 116 Move electrode to set up clearance rapid traverse 6 Programming Programming Contours 6 5 Path Contours _ Coordinates Right handed internal thread M64 x 1 5 with starting angle 0 end angle 360 and 8 revolutions Ng The thread overrun is 0 5 at both the start of thread ng and end of thread ne The calculation of the entered values is explained in Calculating the helix on page 113 HEIDENHAIN TNC 406 TNC 416 o mi x lt Define the workpiece blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table HDH700 Set power stage Define electrode in the program Call electrode in the infeed axis Z undersize 1 5 mm Retract in the infeed axis orient electrode Pre position in X and Y rapid traverse Transfer the last programmed position as the pole Move to working depth Move to first contour point with radius compensation eroding ON Helical interpolation also rotate electrode in angle synchronicity Retract tool in the working plane eroding OFF Move electrode to set up clearance rapid traverse 117 6 5 Path Contours a Coordinates To cut a thread with more tha
144. o capture Select the PROGRAMMING AND EDITING mode of operation Select or open the program block into which you wish to transfer the actual position of the electrode x Select the axis in which you wish to capture a coordinate such as X Transfer the actual position coordinate into the program Enter the radius compensation according to the position of the electrode relative to the position of the workpiece 84 5 Programming Tools E 6 1 General Information on Programming E Movements 6 1 General information on Programming Electrode Movements Electrode movements are always programmed as if the electrode moves and the workpiece remains stationary IE Before running a part program always pre position the electrode to prevent the possibility of damaging it or the workpiece Path functions Each element of the workpiece contour is entered separately using path functions You enter straight lines circular arcs You can also program a combination of the two elements helical paths The contour elements are executed in sequence to machine the programmed contour as in the illustration Machines with 5 axes A fifth axis can only be moved in the operating modes MANUAL OPERATION or ELECTRONIC HANDWHEEL or with a PLC positioning Contact your machine tool builder if you need to position a fifth axis Subprograms and program section repeats If a machining routine occurs
145. ogrammed eroding depth T and the expansion radius RAD The gap is controlled along an angular vector 2 At the eroding depth T expansion is carried out in a circular path with radius entered end radius The gap is controlled along the circular path The electrode is retracted first along the erosion path and then diagonally back to the starting point PAT 5 Quadratic expansion in two phases Same as PAT 4 but with quadratic expansion instead of circular expansion PAT 6 Circular expansion in two phases 1 From the starting depth S the electrode moves along the surface of a circular cone 0 direction until it reaches the programmed eroding depth T and the expansion radius RAD The gap is controlled along an angular vector 2 At the eroding depth T expansion is carried out in a circular path with radius entered end radius The gap is controlled along the circular path The electrode is retracted to the starting point along a diagonal path PAT 7 Quadratic expansion in two phases Same as PAT 6 but with quadratic expansion instead of circular expansion GF There is the danger of collision if retraction to the starting point follows a diagonal vector Select an electrode radius Re greater than the expansion radius RAD for the corresponding expansion modes 140 8 Programming Cycles Spark out mode SPO The spark out mode SPO determines the manner and duration of the spark out SPO 0 Fast sparking o
146. oint at end of block M93 125 7 4 Vacant miscellaneous functions 126 VI 8 1 General Overview of Cycles 130 Prerequisites 130 Start of effect 130 Dimensions in the electrode axis OEM cycles 130 Programming a cycle 131 8 2 Cycle 1 GENERATOR isis Working with an erosion table Working without an erosion table To enter Cycle 1 0 GENERATOR Changing the power stage 134 8 3 Electrode Definition 135 Cycle 3 TOOL DEF auc 135 Example NC blocks 136 8 4 Erosion Cycles 137 Overview 137 Cycle 14 CONTOUR GEOMETRY Cycle 16 ORBIT 139 Cycle 17 DISK 142 Cycle 2 ERO TIME LIM 145 Cycle 4 SPARK OUT TIME 146 8 5 Coordinate Transtormation Cycles Cycles for electrode definition Coordinate transtormation cycles DATUM SHIFT Cycle 7 156 Working with datum tables 157 MIRROR IMAGE Cycle 8 158 ROTATION Cycle 10 159 SCALING FACTOR Cycle 11 160 WORKING PLANE Cycle 19 161 8 6 Other Cycles 171 DWELL TIME Cycle 9 171 PGM CALL Cycle 12 171 HEIDENHAIN TNC 406 TNC 416 Vil 9 1 Labeling Subprograms and Program Section Repeats 174 Labels 174 9 2 Subprograms 175 Operating sequence 175 Programming notes 175 Programming a subprogram 175 Calling a subprogram 175 9 3 Program Section
147. on influences Q parameter Q112 E X Y plane Q112 2 E Y Z plane Q112 0 E Z X plane Q112 1 E No plane defined QO112 1 Cancellation A rotation is canceled by entering a rotation angle of O HEIDENHAIN TNC 406 TNC 416 60 Example NC blocks 15 co 8 5 voor Transformation Cycles 8 5 coordi Transformation Cycles SCALING FACTOR Cycle 11 Function The scaling factor cycle allows contours to be enlarged or reduced in size within a program enabling you to program shrinkage and oversize allowances Effect The scaling factor cycle takes effect as soon as it is defined The scaling factor can be applied E in the working plane or on all three coordinate axes at the same time depending on MP7410 to the dimensions in cycles E to the parallel axes U V W The scaling factor is shown in the status display under SCL Input The cycle is defined by entering the factor SCL The TNC multiplies the coordinates and radii by the SCL factor as described under Effect above Enlargement SCL greater than 1 up to 99 999 999 Reduction SCL less than 1 down to 0 000 001 Cancellation To cancel the scaling factor enter a scaling factor of 1 Prerequisite It is advisable to set the datum to an edge or a corner of the contour before enlarging or reducing the contour 160 36 60 Example NC blocks 8 Programming Cycles WORKING
148. on to the programmed value the length difference between the old and new electrodes will also be traversed 5 2 Electrode Compe HEIDENHAIN TNC 406 TNC 416 79 5 2 Electrode comilsation Values Electrode radius compensation Radius compensation becomes effective as soon as an electrode is called and is moved in the working plane with RL or RR To cancel radius compensation program a positioning block with RO Electrode movements can be programmed in the following ways Without radius compensation RO With radius compensation RL or RR Paraxial movements with R or R Radius compensation becomes effective as soon as a tool is called and is moved in the working plane with RL or RR Contouring without radius compensation RO The electrode center moves to the programmed coordinates Applications Countersinking Pre positioning 80 5 Programming Tools Tool movements with radius compensation RR and RL RR The electrode moves to the right of the programmed contour RL The electrode moves to the left of the programmed contour The electrode center moves along the contour at a distance equal to the radius Right or left are to be understood as based on the direction of electrode movement along the workpiece contour See figures at right CS Between two program blocks with different radius compensations RR and RL you must program at least one traversing block in the working plane without radius compen
149. on you want to repeat as well as the number of repeats with Repeat REP HEIDENHAIN TNC 406 TNC 416 177 Program Section Repeats 9 4 n Program as Subprogram 9 4 Separate Program as Subprogram Operating sequence 1 The TNC executes the part program up to the block in which another program is called with CALL PGM 2 Then the other program is run from beginning to end 3 The TNC then resumes the first calling part program with the 0 BEGIN PGM A block behind the program call Y rt Programming notes 2 eer es Programs called trom external storage media must not contain subprograms or program section repeats END PGM A No labels are needed to call any program as a subprogram The called program must not contain the miscellaneous functions M2 or M30 The called program must not contain a program call into the calling program otherwise an infinite loop will result Calling any program as a subprogram To select the functions for program call press the aa PGM CALL key Program Name Enter the name of the program to be called You can also call a program with Cycle 12 PGM CALL see also Calling Cycle 12 PGM CALL on page 171 178 9 Programming Subprograms and Program Section Repeats 9 5 Nesting Types of nesting E Subprograms within a subprogram Program section repeats within a program section repeat E Subprograms repeated Program section repeats withi
150. ons of the individual keys are described on the inside front cover Machine panel buttons e g NC START are described in the manual for your machine tool 1 2 Visual Display Unit and Keyboare HEIDENHAIN TNC 406 TNC 416 5 1 3 Modes of Operation tas ore d Positioning with Manual Data Input The Manual Operation mode is required for setting up the machine tool In this mode of operation you can position the machine axes manually or by increments set the datums and tilt the working plane The Incremental Jog mode of operation allows you to move the machine axes manually with the HR electronic handwheel Ea Simple traverse movements can be programmed in the Positioning with Manual Data Input MDI mode of operation T Soft keys for selecting the screen layout see Screen layout on page 4 CO E ee Positions Position MANUAL OPERATION Left positions Right status display EM ne STATUS 1 3 Modes of Overatlti 8 0000 8 0000 0 0000 0 0000 H o Z U 0 200 K BASIC ROTATION 0 000 TOUCH RESET PROBE 6 1 Introduction Programming and Editing PROGR AND EDITING In this mode of operation you can write your part programs The A BEGIN PGM 7432 MM various cycles and Q parameter functions help you with programming ae ae ets enna lesa and add necessary information 3 TOOL CALL 12 U 1 F tb Soft keys for selecting the screen layout rs Q 6 0 055 O _Screenwi
151. or without M98 The TNC calculates the intersections of the electrode paths at inside corners and moves the tool in the new direction at those points If the contour is open at the corners however this will result in incomplete machining Behavior with M98 With the miscellaneous function M98 the TNC temporarily suspends radius compensation to ensure that both corners are completely machined Effect M98 is effective only in the blocks in which it is programmed M98 takes effect at the end of block Example NC blocks Move to the contour points 10 11 and 12 in succession Programming machine referenced coordinates M91 M92 Scale reference point The scales are provided with one or more reference marks A reference mark indicates the position of the scale reference point If the scale has only one reference mark its position is the scale reference point If the scale has several distance coded reference marks the scale reference point is the position of the left most reference mark at the beginning of the measuring range Machine datum The machine datum is required for the following tasks Defining the limits of traverse Software limit switches Moving to machine referenced positions Such as tool change positions Setting the workpiece datum The distance in each axis from the scale reference point to the machine datum is defined by the machine tool builder in a machine parameter Standard behavior The
152. or Data Transfer 12 5 Software for Data Transfer When you start TNCremoNT for the first time TNCremoNT automatically tries to set up a connection with the TNC Data transfer between the TNC and TNCremo Ensure that E The TNC is connected to the correct serial port on your PC Gr e Attr Datum C CADIM23 lt DIR gt Frei 1 023 932 928 Byte The data transfer speed set on the TNC is the same as that set on lt DIR gt ea TNCremo asa Byte Once you have started TNCremo you will see a list of all of the files 7 yarns pataian that are stored in the active directory on the left side of the main T window 1 Using the menu items lt Directory gt lt Change gt you can E V24 lokal change the active directory or select another directory on your PC Ti J ereccbeli 8 Bit 54 Parit t N If you want to control data transfer from the PC establish the 99999942H Stop Bit 1 connection with your PC in the following way 23299970 H 1 il aad ELLIPSE H E 38400 Baud gt Select lt Connect gt lt Link LSV2 gt TNCremo now receives the file 80 2 Verbindung flr INC Dateifunktionen P Alt Tid Men Fi Nile and directory structure from the TNC and displays this at the bottom left of the main window 2 gt To transfer a file from the TNC to the PC select the file in the TNC window highlighted with a mouse click and activate the functions lt File gt lt Transfer gt gt To transfer a file from the PC to the TNC select the fi
153. p to 16 characters letters and numbers Confirm your entry with the ENT key Working tool axis X Y Z 4 Enter the tool axis Folw electrode YES ENT NO NOENT e g to identify the electrode as a following electrode Example ce To ensure that the TNC shifts the electrode correctly to the programmed position you must enter the correct C axis coordinates in a traversing block with L programmed directly after the EL CALL block HEIDENHAIN TNC 406 TNC 416 77 E Electrodes Electrodes Manual electrode change Before a manual electrode change you must move the electrode to a changing position Course of actions Interrupt program run see Interrupting machining on page 223 Move the electrode to the change position can be programmed Change electrode Resume the program run see Resuming program run after an interruption on page 225 Electrode change position The electrode change position must be capable of being approached without collision next to or over the workpiece The coordinates of the change position can also be entered as machine based coordinates with miscellaneous functions M91 and M92 If TOOL CALL 0 is programmed before the first electrode call the TNC moves the clamping shaft in the spindle axis to a position that is independent of the electrode length Electrode compensation You can compensate the electrode length and radius in a separate program block Select the Programming a
154. range Maximum 30 m 1 181 inches Traversing speed Maximum 30 m min 1 181 ipm Input range To 1 um 0 0001 inches or 0 001 Control precision 1 16 um HEIDENHAIN TNC 406 TNC 416 257 Contour elements Straight line Chamfer Circular path Circle center Circle radius Tangentially connecting circle Corner rounding Straight lines and circular arcs for contour approach and departure Program jumps Subprogram Program section repeat Program as subprogram 13 4 Technical Information Fixed cycles Cycle GENERATOR Erosion Cycles Coordinate transformations Datum shift Mirror image Rotation Scaling factor Touch probe function Touch probe functions for setting datums and for automatic workpiece measurement Mathematical functions Basic arithmetic x and Trigonometry sin cos tan arcsin arccos arctan Square root and root sum of squares Logical comparisons greater than less than equal to not equal to HR 130 For panel mounting HR 410 Portable version with cable transmission Includes axis address keys actual position capture key 3 keys for selecting the traversing speed direction keys machine functions rapid traverse key safety switch emergency stop button 258 13 Tables and Overviews 13 5 TNC Error Messages The TNC automatically generates error messages when it detects problems such as Incorrect data input Logical errors in the program Contour elements that are impossible to machine Some o
155. rature in the discharge channel becomes so great that the dielectric fluid there vaporizes The discharge channel expands in the middle while at the electrode and workpiece it becomes narrower The temperature increases to a point where the surfaces of the electrode and workpiece melt Part of the molten metal vaporizes HEIDENHAIN TNC 406 TNC 416 59 4 5 Fundamentals of w Erosion c When the voltage is removed the discharge channel collapses implodes When the discharge channel collapses the implosion thrusts the molten metal into the dielectric fluid 4 5 Fundamentals of Ma Erosio A small crater remains on the electrode and the workpiece The debris of melted electrode or workpiece material remains suspended in the dielectric fluid 60 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables 4 6 Erosion Tables w The machine tool builder can define the erosion tables as E required He may also define additional parameters that are not mentioned in your TNC manual Refer to your machine tool manual The spark erosion process is influenced by process variables called erosion parameters You can enter the erosion parameters for a machining sequence in erosion tables for the TNC 406 416 For example you can create a separate erosion table for each combination of electrode and workpiece material All parameters are then clearly grouped in this table The TNC can access the
156. re position the electrode manually to avoid a collision when the programmed pre positioning point is approached You can also use the programmable probing function when the Tilt working plane function is active The TNC then acknowledges the coordinate of the touch point in the tilted coordinate system 200 10 Programming Q Parameters Program sequence Store coordinates for pre positioning the electrode in O parameters Probe probe point 1 Probe probe point 2 E Determine the height from the difference in Z values HEIDENHAIN TNC 406 TNC 416 Parameter coordinates for probe point 1 in the X axis Parameter coordinates for probe point 1 in the Y axis Parameter coordinates for probe point 1 in the Z axis Parameter coordinates for probe point 2 in the X axis Parameter coordinates for probe point 2 in the Y axis Parameter coordinates for probe point 2 in the Z axis Insert probing electrode Retract to safety clearance Assign the Z coordinate probed in the negative direction to Q10 Touch probe is valid for point 1 Auxiliary point for second pre positioning Assign the Z coordinate probed in the negative direction to Q20 Touch probe is valid for point 2 Measure the height of the island and assign to Q1 Q1 can be checked after program run has stopped Retract probing electrode and end program End of program 201 ing program run tha Pome electrode dur ing wi 10 8 Measur IONS ameters with
157. ring program run it is possible to switch over to the PROGRAMMING AND EDITING mode and enter a new program or edit an existing one while the program being executed continues in the background Operating time The TNC displays the calculated machining time between the program blocks and the status display The TNC resets the counter for the machining time when you select a new program Changing the erosion parameters during program run The TNC displays the erosion parameters of the current power stage in a line on the screen You can select the individual erosion parameters with the horizontal arrow keys Then use the vertical arrow keys to change the parameters settings while the program is being executed Parameter settings that are changed during program run will not be entered in the erosion table The machine tool builder can inhibit changing of specific erosion parameters Refer to your machine tool manual 222 PROGRAM RUN FULL BEGIN PGM 7432 MM BLK FORM 1 2 H 2 40 BLK FORM 2 X 100 Y 100 2 0 TOOL CAEL 1 Z U 1 F FN 0 QO 15 FN 0 Q1 0 FN 0 08 0 055 2 1 2 3 4 5 6 FN 1 1 253 00 00 00 SEQU 7432 0 0 000O Y 0 0000 9000 0 0000 C4 LH BLK FORM oe LU ON oF F 11 Test run and Program Run Running a part program Preparation 1 Clamp the workpiece to the machine table 2 Set the datum Program Run Full Sequence Start
158. rkpiece with a datum shift Effect When the DATUM shift cycle is defined all coordinate data is based on the new datum The datum shift is indicated in the status display with the index T by the shifted axes Input Enter the coordinates of the new datum zero point for up to 5 axes Absolute values are referenced to the zero point which is determined by the manual datum setting Incremental values are referenced to the datum which was last valid this may be a datum which has already been shifted If you are working with the datum table enter the name of the datum with the key from the table and the name of the datum table from which the TNC is to activate the datum shift If you do not enter a name the TNC automatically uses the datum table 0 D A selected datum table remains active until you activate another table at a later stage in the program The status display STATUS COORD TRANSF shows you the datum table and the datum number that are currently active Cancellation A datum shift is canceled by entering the datum shift coordinates O or with the number 0 C If you combine coordinate transformations note that the datum shift must be programmed before other transformations 156 8 Programming Cycles Working with datum tables The TNC can store several datum tables Depending on the configuration of your machine tool a new datum table includes four or five axes Edi
159. rmation it needs to execute the step 42 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Position encoders and reference marks The machine axes are equipped with position encoders that register the positions of the machine table or tool When a machine axis moves the corresponding position encoder generates an electrical signal The TNC evaluates this signal and calculates the precise actual position of the machine axis If there is an interruption of power the calculated position will no longer correspond to the actual position of the machine slide The TNC can re establish this relationship with the aid of reference marks when power is returned The scales of the position encoders contain one or more reference marks that transmit a signal to the TNC when they are crossed over From the signal the TNC identifies that position as the machine axis reference point and can re establish the assignment of displayed positions to machine axis positions Linear encoders are generally used for linear axes Rotary tables and tilt axes have angle encoders If the position encoders feature distance coded reference marks you only need to move each axis a maximum of 20 mm 0 8 in for linear encoders and 20 for angle encoders to re establish the assignment of the displayed positions to machine axis positions Reference system A reference system is required to define positions in a plane or in space The position
160. s E loning t OSI 4 1 Fundamentals bey 4 1 Fundamentals of Positioning Introduction This chapter covers the following topics What is NC The part program Programming Position encoders and reference marks Reference system Reference system with electrical discharge machines EDM Programming electrode movement Polar coordinates Absolute and incremental workpiece positions Setting the datum What is NC NC stands for Numerical Control that is the operation of a machine tool by a series of coded instructions comprised of numbers Modern controls such as TNCs have a built in computer for this purpose and are therefore called CNC Computerized Numerical Control The part program The part program is a complete list of instructions for machining a part It contains such information as the target position of an electrode movement the path function how the electrode should move toward the target position and the feed rate Information on the radius and length of the electrode and the electrode axis must also be included in the program Programming Conversational programming is a particularly easy method of writing and editing part programs HEIDENHAIN NCs were developed specifically for the machine operator who keys in programs right at the machine This is why they are called TNC Touch Numerical Control You begin each machining step by pressing a key The TNC then asks you for all the info
161. s 110 150 300 600 1 200 2 400 4 800 9 600 19 200 38 400 baud To change the baud rate setting Press the horizontal arrow keys RS 232 C interface The proper setting depends on the device connected Use the ENT key to select the setting HEIDENHAIN floppy disk units FE 1 FE 401 and FE 401 B HEIDENHAIN ME 101 magnetic tape unit EXT non HEIDENHAIN devices such as printers scanners tape punchers PC without TNC EXE 232 MOD FUNCTIONS INTERFACE RS232 aope dole eee BAUD RATE CJE 12 MOD Functions 12 2 External Data Transfer The TNC features two interfaces for data transfer between it and other devices Application examples Downloading files into the TNC Transferring files trom the TNC to external devices Printing files Remote operation of the TNC The RS 232 C V 24 interface is used for these operations LSV 2 protocol The TNC supports the LSV 2 protocol This allows the control of data transfer or of program run for example Protecting files The functions PROTECT and UNPROTECT are available for external data transfer see Chapter 1 12 3 Menu for External Data Transfer To select external data transfer gt Press the EXT key or Press the PGM MGT key MGT Press the soft key EXT The selected interface mode and the selected baud rate appear on the screen HEIDENHAIN TNC 406 TNC 416 233 12 2 External Data Transfer mn 12 3 Menu for External Data Tra
162. s Entering the Cartesian coordinates of the circle center or Using the circle center defined in an earlier block or Capturing the coordinates with the ACTUAL POSITION CAPTURE key g Coordinates CC Enter the circle center coordinates or If you want to use the last programmed position do not enter any coordinates Example NC blocks The program blocks 10 and 11 do not refer to the illustration Duration of effect The circle center definition remains in effect until a new circle center is programmed You can also define a circle center for the secondary axes U V and W Entering the circle center CC incrementally If you enter the circle center with incremental coordinates you have programmed it relative to the last programmed position of the tool tE The only effect of CC is to define a position as circle center The tool does not move to this position The circle center is also the pole for polar coordinates Direction of rotation DR When a circular path has no tangential transition to another contour element enter the mathematical direction of rotation DR of the circular path Clockwise rotation negative direction of rotation DR Counterclockwise rotation positive direction of rotation DR Radius compensation in circular paths You cannot begin radius compensation in a circle block it must be activated beforehand in a line block L block 6 Programming Programming Contours Circles in the main
163. s to and from memory The following mathematical functions are available Assign Addition Subtraction Maultiplication Division Angular measurement Trigonometry HEIDENHAIN TNC 406 TNC 416 87 6 1 General Information on Programming a W Movements 6 2 Contour apolilcr and Departure 6 2 Contour Approach and Departure CS A convenient way to approach or depart the workpiece is on an arc which is tangential to the contour This is done with the corner rounding function see Corner rounding RND on page 97 Starting point and end point of machining Starting point S From the starting point S the electrode approaches the first contour point A The starting point is programmed without radius compensation The starting point S must be Approachable without danger of collision Close to the first contour point Located in relation to the workpiece such that no contour damage can occur when the contour Is approached If the starting point S is located within the hatched area the contour will be damaged when the first contour point is approached The ideal starting point is located on the extended tool path for machining the first contour element First contour point A Machining begins at the first contour point A The electrode moves to this point with radius compensation 88 6 Programming Programming Contours Approaching the starting point S in the spindle axis When the starting point S is approached the
164. sates workpiece misalignment by computing a basic rotation For this purpose the rotation angle is set to the desired angle with respect to the reference axis in the working plane If the tilt working plane function is used the TNC also takes the basic rotation into account in the tilted system Measuring the basic rotation Select probing function BASIC ROTATION ROT Set ROTATION ANGLE to the nominal value Move the electrode to position A near the first probe point 1 Select the probe direction perpendicular to the angle reference axis Select the axis by soft key To probe the workpiece press the machine START button Move the electrode to position 8 near the second probe point 2 To probe the workpiece press the machine START button A basic rotation is stored in nonvolatile memory and is effective for all subsequent program runs and graphic simulations Displaying a basic rotation The angle of the basic rotation is shown after ROTATION ANGLE The rotation angle is also shown In the additional status display window whenever a basic rotation is active To cancel a basic rotation Select BASIC ROTATION again Enter a rotation angle of zero and confirm with the ENT key To terminate the probe function press the END key HEIDENHAIN TNC 406 TNC 416 27 2 4 Calibration ance th a Probing mn ing wi 2 5 Datum Sett 2 5 Datum Setting with a Probing Electrode Functions for setti
165. sation that is with R0 Radius compensation does not take effect until the end of the block in which it is first programmed Whenever radius compensation is activated or cancelled the TNC positions the electrode perpendicular to the programmed starting or end position Position the electrode at a sufficient distance from the first or last contour point to prevent damaging the contour Entering radius compensation Program any desired path function enter the coordinates of the target point and confirm your entry with ENT To select tool movement to the left of the contour 3 press the RL key or RR To select tool movement to the right of the contour x press the RR key or To select tool movement without radius compensation or to cancel radius compensation press the ENT key T To terminate the block press the END key HEIDENHAIN TNC 406 TNC 416 81 5 2 Electrode vombepsation Values 5 2 Electrode comilsation Values Shortening or lengthening paraxial movements R R This type of radius compensation is only possible for single axis movements in the working plane The programmed electrode path is lengthened R or shortened R Applications Paraxial machining Under certain circumstances for pre positioning the electrode ec R and R are available when a positioning block is opened with an orange axis key Radius compensation Machining corners Outside cor
166. selection with the GOTO key or the arrow keys The TNC displays the following dialogs FN9 IF EQUAL JUMP Example FN9 IF Q1 EQU Q3 GOTO LBL 5 If the two values or parameters are equal jump to the given label FN10 IF NOT EQUAL JUMP Example FN10 IF 10 NE Q5 GOTO LBL 10 If the two values or parameters are not equal jump to the given label FN11 IF GREATER THAN JUMP Example FN11 IF Q1 GT 10 GOTO LBL 5 If the first parameter or value is greater than the second value or parameter jump to the given label FN12 IF LESS THAN JUMP Example FN12 IF Q5 LT 0 GOTO LBL 1 If the first value or parameter is less than the second value or parameter jump to the given label 194 10 Programming Q Parameters Abbreviations used IF If EQU Equals NE Not equal GT Greater than LT Less than GOTO Go to HEIDENHAIN TNC 406 TNC 416 195 10 5 TT Decisions with Q Parameters 10 6 celta and Changing O Parameters 10 6 Checking and Changing Q Parameters Procedure Q parameters can be checked during a program run or test run If you wish to change any O parameters you must interrupt the program run or test run Select the supplementary operating mode MOD Press the Q parameter status soft key The TNC shows a list of the first 15 parameters To scroll through the subsequent O parameters press and hold the down arrow key You can go to a specific O parameter by pressing the GOTO key and entering th
167. shows those of the BF 120 HEIDENHAIN 1 Header When the TNC is on the selected operating modes are shown in the screen header 2 Soft keys In the footer the TNC indicates additional functions in a soft key row You can select these functions by pressing the keys immediately below them The lines immediately above the soft key row indicate the number of soft key rows that can be called with the black arrow keys to the right and left The line representing the active soft key row Is highlighted Soft key selector keys Switching the soft key rows Setting the screen layout Shift key for switchover between machining and programming modes oO 0 A Q Keys on BC 120 only 7 Screen demagnetization Exit main menu for screen settings 8 Select main menu for screen settings In the main menu Move highlight downward In the submenu Reduce value or move picture to the left or downward HEIDENHAIN 9 In the main menu Move highlight upward In the submenu Increase value or move picture to the right or upward 10 E n the main menu Select submenu In the submenu Exit submenu BRIGHTNESS Adjust brightness CONTRAST Adjust contrast H POSITION Adjust horizontal position V POSITION Adjust vertical position V SIZE Adjust picture height HEIDENHAIN TNC 406 TNC 416 1 2 Visual Display Unit and meee 1 2 Visual Display Unit and Keyboarc SIDE PIN Correct barrel shaped distortion TRAPEZOID Correct trapezoidal d
168. sition the actual position relative to REF the scale datum 4 Distance remaining to the programmed position DIST difference between actual and target positions 5 Nominal position referenced to the transformed NOM W coordinate system such as after a datum shift Actual position referenced to the transtormed ACT W coordinate system such as after a datum shift Select the desired display type with the horizontal arrow keys It immediately appears in the status field Unit of measurement This MOD function determines whether the coordinates are displayed in millimeters metric system or inches To select the metric system e g X 15 789 mm set the MOD function CHANGE MM INCH to MM The value is displayed to 3 decimal places To select the inch system e g X 0 6216 inch set the MOD function CHANGE MM INCH to INCH The value is displayed to 4 decimal places HEIDENHAIN TNC 406 TNC 416 231 12 1 MOD functions 12 1 MOD functions System Information The NC and PLC software numbers appear on the TNC screen after the corresponding MOD functions have been selected The vacant memory in bytes Is displayed directly below them Setting the external data interfaces Two functions are available for setting the external data interfaces BAUD RATE RS 232 C INTERFACE The functions are selected as MOD functions with the vertical arrow keys BAUD RATE Sets the speed of data transfer Available baud rate
169. sor key to move the highlight to a file that is stored in the external device COPY Transfer the selected file Transfer all files COPY HEIDENHAIN TNC 406 TNC 416 235 12 4 Selecting and Transferring Files 12 4 Selecting and Transferring Files Interrupting data transfer Press the END key or the END soft key to interrupt data transfer Transferring files via the PRT output of the FE 401 You can also transfer files via the PRT output of the FE 401 to devices such as a printer Select the file and press the PRINT soft key GF The functions Transfer all files Transfer selected file and Transfer directory are not available in the operating modes FE2 and EXT Formatting disks If you want to save Tiles to a disk the disk must be formatted You can format a disk in the FE 401 from the TNC keyboard Press the FORM DISK soft key Enter a name for the disk Press ENT The TNC then formats the disk Deleting files To delete a file on an external device Use the arrow keys to select the file Press the DELETE soft key 236 12 MOD Functions 12 5 Software for Data Transfer Software for data transfer For transfer of files to and from the TNC we recommend using one the HEIDENHAIN TNCremo data transfer software products for data transfer such as TNCremo or TNCremoNT With TNCremo TNCremoNT data transfer is possible with all HEIDENHAIN controls via serial interface ce Please contact
170. spindle axis is moved to working depth If there is danger of collision Approach the starting point in the spindle axis separately Example ch and Departure The electrode retains the Z coordinate and moves in the XY plane to the start position 6 2 Contour Approa The electrode is positioned in the Z axis to working depth End point Similar requirements hold for the end point E E Approachable without danger of collision Near the last contour point Avoids damage to tool and the workpiece The ideal location for the end point E is again on the extended tool path outside the hatched area It is approached without radius compensation Departure from an end point in the spindle axis The spindle axis is moved separately Example The electrode retains the Z coordinate and moves in the XY plane to the end position The electrode moves to set up clearance HEIDENHAIN TNC 406 TNC 416 89 h and Departure 6 2 Contour Approa Common starting and end point Outside of the hatched area in the illustration it is possible to define a single point as both the starting and end point The ideal location for this point is exactly between the extensions of the tool paths for machining the first and last contour elements A common starting and end point is approached without radius compensation 90 6 Programming Programming Contours Tangential contour approach and departure Start
171. st have been stopped A detail magnification is always effective in all display modes Shift the soft key row in the Test Run mode of operation until the following soft keys appear Select the left right workpiece surface MAGN 00 00 07 RESET TRANSFER MAGNIFY DETAIL Select the front oack workpiece surface Select the top bottom workpiece surface Shift the sectional plane to reduce or magnify the blank form Select the isolated detail DETAIL To change the detail magnification The soft keys are listed in the table above Interrupt the graphic simulation if necessary Select the workpiece surface with the corresponding soft key see table To reduce or magnify the blank form press and hold the MINUS or PLUS soft key respectively Restart the test run or program run by pressing the START soft key RESET START returns the workpiece blank to its original state 218 11 Test run and Program Run Cursor position during detail magnification During detail magnification the TNC displays the coordinates of the axis that is currently being isolated The coordinates describe the area determined for magnification To the left of the slash is the smallest coordinate of the detail MIN point to the left is the largest MAX point If a graphic display is magnified this is indicated with MAGN at the lower right of the graphics window If the workpiece blank cannot be further enlarged or reduced the TNC disp
172. status and workpiece blank RESET Test the entire program START Interrupt the test run STOP Test each program block individually START SINGLE Run a program test up to a certain block STOP Run program test with graphics framing around ON or euc Forn without graphics framing around OFF ON OEE 220 11 Test run and Program Run Running a program test up to a certain block If you only want to test the program up to a particular block Choose the program you want to test Press the soft key STOP AT N iy Enter the block number up to which the TNC should run a program test If the block is located in a different program enter the PROGRAM If the block number is located within a program section repeat enter the REPEATS Start the test run with START Operating time The TNC displays the simulation time between the program blocks and the status display HEIDENHAIN TNC 406 TNC 416 221 11 2 Test run 11 3 Program run 11 3 Program run Application In the PROGRAM RUN FULL SEQUENCE mode of operation the TNC executes a part program continuously to its end or up to a program stop In the PROGRAM RUN SINGLE BLOCK mode of operation you must start each block separately by pressing the machine START button The following TNC functions can be used in a program run Interrupt program run Checking and changing Q parameters Functions for graphic simulation Background programming Du
173. straight line blocks with identical radius compensation A program cannot be edited while it is being transmitted or executed The TNC monitors positions and movements If the actual position deviates excessively from the nominal position this blinking error message is displayed To correct the error do a warm start by holding down the END key for a few seconds Enter complete information for connecting arc Enter end points that lie on the circular path Only call label numbers that have been set Enter a smaller electrode radius Movements in a rotary axis cannot be graphically simulated Enter an electrode axis for simulation that is the same as the axis in the BLK FORM Enter tangentially connecting arcs and rounding arcs correctly Rounding arcs must fit between contour elements This message always appears when you press a key that is not needed for the current dialog 13 Tables and Overviews Program start undefined Begin the program only with a TOOL DEF block Do not resume an interrupted program at a block with a tangential arc or if a previously defined pole is needed Tool radius too large Enter an electrode radius that lies within the given limits permits the contour elements to be calculated and machined Angle reference missing Complete your definition of the arc and its end points If you enter polar coordinates define the polar angle correctly Excessive subprogramming Conclude all subprograms with
174. t the probing function by pressing the PROBING Cros POS soft key Move the touch probe to a starting position near the touch point Select the probe axis and direction in which you wish to set the datum such as Z in direction Z Selection is made via soft keys To probe the workpiece press the machine START button Datum Enter the nominal coordinate and confirm your entry with ENT Manual probing The PROBING DEPTH function enables you to probe the workpiece as often as desired in one axis At the same time you can move all remaining axes with the electronic handwheel This probing function is particularly convenient for finding peaks and valleys In this process the TNC always stores the last point of electrode contact with the workpiece You can end the probing process with the CYCLE STOP button Select the probing function PROBING DEPTH Move the probing electrode to a starting position near the touch point Set the axis traverse limit i e the maximum permissible traverse of the electrode in the probing axis and confirm with ENT Select the probe axis and direction in which you wish to set the datum such as Z in direction Z Start the probing process The TNC moves the electrode in the selected axis direction until it makes contact with the workpiece This coordinate is stored in the TNC memory The probing process is repeated until you end the probing function with CYCLE STOP Use the electronic handwhe
175. tes The TNC automatically generates the block numbers as well as the BEGIN and END blocks Program end name unit of measure IE If you do not wish to define a blank form cancel the dialog at Working spindle axis X Y Z by pressing the DEL key The TNC can display the graphic only if the ratio of the short side to the long sides of the BLK FORM is greater than 1 64 HEIDENHAIN TNC 406 TNC 416 53 4 3 Creating and Wri me Programs 4 3 Creating and Wri Programs Programming tool movements in conversational format To program a block initiate the dialog by pressing a function key In the screen headline the TNC then asks you for all the information necessary to program the desired function Example of a dialog lf Dialog initiation x 10 Enter the target coordinate for the X axis 20 Enter the target coordinate for the Y axis and go to the next question with ENT Enter No radius compensation and go to the next question with ENT Enter a feed rate of 100 mm min for this path contour go to the next question with ENT pa 00 Enter the miscellaneous function M36 eroding ON pressing the ENT key terminates this dialog 2S 6 ENT The program blocks window will display the following line 01 PROGR AND EDITING MISCELLANEOUS FUNCTION M 8 3 18 ital LZ TOOL CALE 6 2 U L 2 25 R F MA L X Y RO F C zaa Ke F260 ia L X 1 END PGM NEU MM N
176. the part program with the machine START button Program Run Single Block Start each block of the part program individually with the machine START button Interrupting machining There are several ways to Interrupt a program run Programmed interruptions Machine STOP button Switching to PROGRAM RUN SINGLE BLOCK If the TNC registers an error during program run it automatically interrupts the machining process Programmed interruptions You can program interruptions directly in the part program The TNC interrupts the program run at a block containing one of the following entries STOP Miscellaneous function MO M2 or M30 Miscellaneous function M6 determined by the machine tool builder HEIDENHAIN TNC 406 TNC 416 223 11 3 Program run 11 3 Program run Interrupting or aborting a program by pressing a button The block which the TNC is currently executing is not completed 0 Interrupt program run The symbol in the status display blinks Once you have pressed the Hand soft key the axes can be traversed manually using the axis direction keys To approach the point of interruption once again use the Return to contour function see Resuming program run after an interruption on page 225 Program run can be aborted with the machine STOP button Abort program run The symbol in the status display goes out Interruption of machining by switching to the PROGRAM RUN SINGLE BLOCK
177. time ET 0 to 999 s Q Arc sensitivity AR O to 99 N qf Electrode polarity P O or 1 High voltage selector HS O to 99 Wear rate WR O to 99 Surface finish RA O to 99 9 um Stock removal SR Two times gap 2G Minimum undersize UNS Auxillary parameters AUX 1 to AUX 6 62 O to 999 999 ccm min O to 9 999 mm O to 9 999 mm 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables To enter erosion parameters in the erosion table Activate file management Select a file with the arrow keys 15 Enter the file name directly e g 15 Fora new erosion table you must enter the name z Open the selected erosion table Select program type E erosion table I 4 7 Parameters in the i Table Enter the number of the power stage for the following data Confirm with ENT pa The TNC then asks for all further erosion parameters described in this chapter To enter erosion parameters for additional power stages With INSERT erosion parameters for up to 25 power stages can be entered To conclude entry Return to program management with PGM NAME To go to a certain power stage Use GOTO to directly access a certain power stage number in the erosion table do not enter the table row number Unit of measurement in the table With the TAB soft key you can change the name of the table and the unit of measurement The same unit millimeters or inches should be used in
178. ting a datum table Press the PGM NAME or PGM MGT key in the PROGRAMMING AND EDITING mode of operation Enter the name of the datum table The selected datum table appears on the screen You can store the coordinates for up to 999 datum points in this table If necessary you can enlarge the table with the INSERT soft key and enter the desired datum number in column D The TNC writes the datum number and coordinates In the Q parameters O80 to Q85 With the miscellaneous functions M38 and M39 you can write coordinates to and from the active datum table M38 and M39 allow you to store any positions as datum points in the table 0 D see also Q parameters for the datum table 081 to O84 on page 206 Depending on the setting of user parameter 7411 a datum shift in the fourth axis will also result in a rotation see also Selecting the General User Parameters on page 246 If the tool axis is not the Z axis C from the datum table will only result in a shift not a rotation HEIDENHAIN TNC 406 TNC 416 157 8 5 voor Transformation Cycles 8 5 coordi Transformation Cycles MIRROR IMAGE Cycle 8 Function The TNC can machine the mirror image of a contour in the working plane Input Enter the axis that you wish to mirror The tool axis cannot be mirrored Cancellation The cycle is canceled by replying with NO ENT to the dialog question Effect The mirror image cycle becomes effective as soon as it is define
179. tion TON is the time in which the generator applies a voltage to the electrode and workpiece Ignition and subsequent discharge take place during this time The pulse off duration TOF is the time in which no voltage is generated During this time the gap is flushed and deionized Select the TON TOF ratio according to the type of machining Setting Roughing Long pulse on duration short pulse off duration Finishing and polishing Short pulse on duration long pulse oft duration Servo sensitivity SV w The machine tool builder specities a characteristic curve C for servo sensitivity see figure center right Refer to your machine tool manual The servo sensitivity influences the reaction speed of the gap control Setting High servo sensitivity fast gap control Low servo sensitivity slow gap control Input range 0 to 99 Erosion time ET Auto jump distance AJD The erosion time determines how long an erosion step lasts When the programmed erosion time has run out the electrode retracts by the auto jump distance and subsequently returns to the position given in machine parameter MP2051 Intermittent flushing To improve deionization of the gap and flush away debris you can activate miscellaneous function M8 intermittent flushing ON HEIDENHAIN TNC 406 TNC 416 MP 2051 65 4 7 Parameters in the Table 4 7 Parameters in the me ion Table Arc sensitivity AR The arc sensitiv
180. tion in three planes LI Shift the soft key row until the TNC displays the following soft keys Shift the vertical sectional plane to the right p or left Shift the horizontal sectional plane upwards 1 or downwards The positions of the sectional planes are visible during shifting 3 D view The workpiece is displayed in three dimensions and can be rotated about the vertical axis The shape of the workpiece blank can be depicted by a frame overlay at the beginning of the graphic simulation In the Test Run mode of operation you can isolate details for magnification Press the soft key for 3 D view HEIDENHAIN TNC 406 TNC 416 Lp BLK FORM STOP START AT SINGLE START RESET LIU ON OFF N 0O eS X 49 6 Y 49 6 g c BLK FORM STOP START ll ay ON OFF i single START RESET 217 11 1 Graphics To rotate the 3 D view Shift the soft key row until the following soft keys appear Rotate the workpiece in 27 steps E E about the vertical axis The current angle of rotation of the display is shown at the bottom left of the graphic 11 1 Graphics Switch the frame overlay display for the workpiece blank on off Show the frame overlay with SHOW BLK FORM BLK FORM Omit the frame overlay with OMIT BLK FORM BLK FORM Magnifying details You can magnify details in the Test Run mode in the following display modes Projection in three planes 3 D view The graphic simulation must fir
181. tions with predetermined effect TT The machine tool builder determines which miscellaneous functions M are available on your TNC and what effects they have Your machine manual provides more detailed information Moo M02 M03 M05 M06 M08 M09 M13 M14 M30 M36 M37 M38 M39 M89 M90 M91 M92 M93 M94 M95 M96 M97 Stop program run Stop program Clear status display depending on machine parameter Go to block 1 Free rotation of the C axis direction of rotation set by the machine builder Free rotation of the C axis direction of rotation set by the machine builder Stop free rotation of the C axis Electrode change Stop program run dependent on machine parameter 7440 Flushing ON Flushing OFF Functionality of M03 M08 Functionality of M04 M08 Same function as M02 Eroding ON Gap control ON Eroding OFF Gap control OFF Transfer coordinates from datum table 0 D into NC program Transfer Q parameters from an NC program into the datum table 0 D Vacant miscellaneous function or Cycle call modally effective depending on machine parameter MP7440 Reserved Within the positioning block Coordinates are referenced to machine datum Within the positioning block Coordinates are referenced to position defined by machine tool builder such as tool change position Within the erosion block Retract the electrode at the end of block and return to the starting point of the machining op
182. to 3 The TNC ends the cycle when the electrode reaches the final vector V and has eroded one full orbit at the final depth Complete sparking out MOD 4 to 7 The TNC ends the cycle when the electrode reaches the final vector V and has eroded 1 25 orbits at the final depth Types of electrode movement Circular expansion MOD 0 and 4 From the starting depth S the electrode moves along the surface of a circular cone until it reaches the programmed eroding depth T and the expansion radius RAD see top illustration Square expansion MOD 1 and 5 From the starting depth S the electrode moves along the surface of a square base pyramid until it reaches the programmed eroding depth T and the expansion radius RAD see center illustration Orbital sinking MOD 2 and 6 The electrode moves from the starting point S by the expansion radius RAD in radial direction It then follows a radial path until reaching the eroding depth After reaching the eroding depth T the TNC moves the electrode to the starting point S on a diagonal path Orbital sinking MOD 3 and 7 The electrode moves from the starting point S by the expansion radius RAD in radial direction It then follows a radial path until reaching the eroding depth see bottom illustration After reaching the eroding depth T the TNC moves the electrode to the starting point S on a diagonal path Overview of expansion modes Circular expansion Fast O Complete 4 Quadrati
183. to respond to questions asked by the TNC Cycles are divided into the following groups GENERATOR for basic information on the eroding process CONTOUR for machining closed contours DISK which allows you to easily carry out many different tasks and EROSION TIME LIMIT which depends on the DISK cycle TOOL DEF which allows you to define electrodes with compensation values Coordinate transformation cycles for shifting rotating mirroring enlarging and reducing contours Special cycles dwell time and program call Prerequisites Before a cycle call you must have programmed BLK FORM for graphic display Electrode call Positioning block for starting position X Y Positioning block for starting position Z set up clearance Start of effect All cycles except PGM CALL go into effect as soon as they are defined PGM CALL must be called Dimensions in the electrode axis Infeeds in the electrode axis always refer to the position of the electrode at the moment the cycle is called The TNC interprets the coordinates as incremental dimensions you do not have to press the key OEM cycles E The machine tool builder can prepare additional cycles and store them in the TNC s ROM These cycles can be called with the cycle numbers 30 to 99 Refer to your machine tool manual The control goes to the first available OEM cycle when the GOTO OEM CYCLE soft key is pressed 130 8 Programming Cycles Programming a c
184. us function M Expansion radius RAD Expansion mode MOD If necessary you may also use Q parameters for the cycle definition Eroding axis and depth The eroding axis determines the coordinate axis parallel to which eroding takes place in the depth The sign of the eroding depth determines whether the working direction is the direction of the positive coordinate axis depth or of the negative coordinate axis depth You can enter the eroding depth in absolute or incremental dimensions Miscellaneous function M You can enter a miscellaneous function in Cycle 17 DISK such as M36 eroding ON Expansion radius RAD The TNC feeds the electrode in radial direction perpendicular to the eroding depth by the value of the expansion radius ec The electrode radius Re must be larger than the expansion radius RAD Otherwise the pocket disk will not be completely eroded Calculating the expansion radius RAD If the diameter D of the disk is known you can calculate the expansion radius RAD from the following data Diameter D of the disk Electrode undersize UM Electrode minimum undersize UNS Electrode radius Re RAD 0 5 e UM UNS 0 5 D Re 0 5 e UNS Expansion mode MOD The expansion mode MOD determines the movement of the electrode while eroding MOD also influences sparking out and the retraction movement 142 8 Programming Cycles Differences with sparking out Fast sparking out MOD 0
185. ut Spark out depends on the end radius and machine parameter MP2110 or if Cycle 4 SPARK OUT is defined on the parameters in Cycle 4 SPO 1 Sparking out Spark out begins when the end radius has been reached and the electrode has been in free run for 1 25 orbits Feed rates for eroding with Cycle 14 ORBIT The feed rate for rotary motion is the same as the last programmed feed rate It is limited by user parameters MP1092 to MP1097 The feed rate in the tool axis direction is determined by the gap control Standard behavior with short circuit In the event of a short circuit the electrode is stopped and retracted along the infeed vector Once the short circuit is eliminated the TNC moves the electrode back along the infeed vector toward the workpiece but stops a certain distance before the point where the short circuit occurred this distance is defined in parameter MP2050 Hl The machine tool builder may have specified a different retraction behavior in the event of short circuiting than is described here Refer to your machine tool manual HEIDENHAIN TNC 406 TNC 416 141 8 4 Erosion Cycles 8 4 Erosion Cycles Cycle 17 DISK The DISK cycle is a machining cycle It facilitates the sparking out behavior and movement of the electrode You can use the DISK cycle to develop machining sequences such as for conical cavities see Chapter 7 In Cycle 17 DISK you enter the Eroding axis Eroding depth Miscellaneo
186. ute values MAX point the largest X Y and Z coordinates of the blank form entered as absolute or incremental values CS You only need to define the blank form if you wish to run a graphic test for the program HEIDENHAIN TNC 406 TNC 416 51 4 3 Creating and Wri u Programs END PGM NEW MM V Creating a new part program PROGR AND EDITING NEW You always enter a part program in the Programming and Editing DEF BLK FORM MAX CORNER da mode of operation Program initiation in an example BEGIN PGM NEW MM O BLK FORM 0 1 Z X 0 Y 0 2 38 Oo BLK FORH 2 X 108 Select the Programming and Editing mode of Y 100 operation A Press the key to call the file directory OD D Enter the new program name and confirm your entry E with the ENT key pm Q Choose the type of file Press the H E or D soft key Q oH The TNC changes to the program window v BLK To define the BLK FORM press the BLK FORM soft FORM key The TNC opens a dialog for defining the BLK FORM Enter the spindle axis 0 Enter in sequence the X Y and Z coordinates of the MIN point 100 Enter in sequence the X Y and Z coordinates of the MAX point 100 0 52 4 Programming Fundamentals Files Program Entry Spark Erosion Erosion Tables Example Display the BLK form in the NC program Program begin name unit of measure Spindle axis MIN point coordinates MAX point coordina
187. vice This often depends on the unit and type of data transfer The figure above shows the connector pin layout on the adapter block 254 13 Tables and Overviews RS 422 V 11 Interface Only non HEIDENHAIN devices are connected to the RS 422 interface CS The pin layouts on the TNC logic unit X22 and on the adapter block are identical External RS 422 Adapter HEIDENHAIN X22 device block connecting cable TNC max 1 000 m SS oF Id Nr 249 819 01 Id Nr 250 478 xx 1 1 1 GND Chassis 2 2 2 RXD 3 3 3 CIS 4 4 4 TXD 5 5 5 ALS 6 6 6 DSR 7 Fi 7 DTR 8 8 8 GND Signal 9 9 RXD 0 CTS 1 TXD 2 RTS DSR DTR 13 2 Pin Layout w Connecting Cable for the Data Interfaces HEIDENHAIN TNC 406 TNC 416 255 the Devices for Data Transfer ing 3 3 Prepar 13 3 Preparing the Devices for Data Transfer HEIDENHAIN devices HEIDENHAIN devices FE floppy disk unit and ME magnetic tape unit are already adapted to the TNC They can be used for data transfer without further adjustments Example FE 401 floppy disk unit Connect the power cable to the FE Connect the FE and TNC with the data interface cable Switch on the FE Insert a disk in the upper drive Format the disk if necessary Set data interface see Setting the external data interfaces on page 232 Transfer the data C The memory capacity of a floppy disk is given in sectors The baud rate can be set on the FE 401 Non HEIDENHAIN dev
188. with Special Functions Ions Program sequence The contour of the ellipse is approximated by many short lines defined in Q7 The more calculating steps you define for the lines the smoother the curve becomes E The machining direction can be altered by changing the entries for the starting and end angles in the plane Clockwise machining direction starting angle gt end angle Counterclockwise machining direction starting angle lt end angle The tool radius is not taken into account ameters with Special Funct Center in X axis Center in Y axis Semiaxis in X Semiaxis in Y Starting angle in the plane End angle in the plane Number of calculating steps Rotational position of the ellipse Milling depth Feed rate for plunging Feed rate for milling Setup clearance for pre positioning Define the workpiece blank Cycle GENERATOR see Cycle 1 GENERATOR on page 133 Select erosion table here table 300 Power stages for example between 8 and 12 Detine electrode in the program Call electrode in the infeed axis Z undersize 1 mm N 08 10 Programming Q Parameters 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 L Z 250 RO F MAX M CALL LBL 10 L Z 100 RO F MAX M2 LBL 10 CYCL DEF 7 0 DATUM SHIFT CYCL DEF 7 1 X Q1 CYCL DEF 7
189. xes to the interruption point in the same way Resume program run with NC Start Resuming program run with the GOTO key You can interrupt workpiece machining PROGRAM RUN FULL SEQUENCE and move the machine axes manually 226 L 2 111 111 R F MAX M 3 L K RO F990 M L 2 26 R F M CC X 0 Y 0 LP PR 22 5 PA 36 RO F1000 M LP PR 25 PA 2 RO F1010 M RND R FF1020 L X 8 498 26 154 R F1030 M WORKPIECE we oe K 11 Test run and Program Run Resetting the counters To reset the counters of program section repeats after you resume program run Use GOTO O to return to the beginning of the program If you do not wish to reset the counters Use GOTO gt 0 to go to a certain block Time capture table TIME W The time capture table TIME W in the TNC contains the following columns PS Power stage number ETABLE Erosion table name TOOL Tool number REL Erosion time per power stage ABS Total erosion time DATUM Datum table name NR Datum number PROGRAM Program name BLOCK Block number The TNC automatically writes the above data to TIME W when a new generator setting is transmitted to the PLC during program run The time table therefore receives as many lines as there are power stages programmed To display TIME W Select the operating mode PROGRAMMING AND EDITING Press the PGN NAME key Enter TIME Resetting TIME W The TNC automatically overwrites TIME W when you select a
190. y 90 2 MP7315 0 0000 to 9 999 999 mm MP7316 0 0000 to 9 999 999 mm MP7410 SCALING FACTOR effective in 3 axes 0 SCALING FACTOR effective in the working plane only 1 251 13 1 General User Parameters Effect of axis IV in the datum table MP7411 IVth coordinate with datum from table rotates coordinate system and shifts in C 0 IVth coordinate with datum from table shifts in C no rotation 1 Effect of CYCL CALL after CYCL DEF 12 PGM MP7412 CALL The program defined as a cycle is executed without display of NC blocks local Q parameters are stored 0 The program defined as a cycle is executed with display of NC blocks local Q parameters are not stored 1 Does not apply as of NC 28612x 04 28062x 10 Behavior of M functions MP7440 Program stop with MOG 0 No program stop with MO6 1 No cycle call with M89 0 Modal cycle call with M89 1 Maximum permissible angle of directional MP7460 change for constant contouring speed 0 0000 to 179 999 effective for corners with RO and for all inside corners 13 1 General User Parameters Monitoring limit switches in the TEST RUN MP7491 mode of operation Monitoring limit switches active 0 Monitoring limit switches not active 1 B Set overrides MP7620 Feed rate override if rapid traverse key is pressed in program run mode Override effective 1 Override not effective 0 Steps for overrides 2 steps 0 1 steps 2 Feed rate override if rapid
191. ycle Press the CYCL DEF key to open the cycle directory Select the desired cycle and program it in the dialog Using the DISK cycle as an example the flow chart illustrates how any cycle can be defined CYCL Open the cycle directory DEF 8 1 i Overview of Cycles Select for example Cycle 17 with the vertical arrow keys The control goes to the first available OEM cycle when the GOTO OEM CYCLE soft key is pressed 17 Address the desired cycle directly with GOTO GOTO O Confirm your entry with the ENT key Open selected cycle 5 Enter the eroding axis and depth e g Z 5 mm z Confirm your entry with the ENT key Enter a miscellaneous function e g M36 eroding ON ow 6 So Enter expansion mode e g O HEIDENHAIN TNC 406 TNC 416 131 8 1 BS D Overview of Cycles Example NC blocks 132 8 Programming Cycles 8 2 Cycle 1 GENERATOR Working with an erosion table If you want to work with erosion tables in a program you must copy Cycle 1 0 GENERATOR into the program Program the following information in this cycle m Which erosion table P TAB you want to use The maximum power stage MAX for subsequent machining E The minimum power stage MIN for subsequent machining In a program run operating mode the TNC displays the highest and lowest power stage after the GENERATOR cycle has been executed Working without an erosion table If you ar
192. your HEIDENHAIN agent if you would like to receive the TNCremo or TNCremoNT data transfer software for a nominal fee System requirements for TNCremo AT personal computer or compatible system Operating system MS DOS PC DOS 3 00 or later Windows 3 1 Windows for Workgroups 3 11 Windows NT 3 51 OS 2 640 KB working memory 1 MB free memory space on your hard disk One free serial interface A Microsoft compatible mouse for ease of operation not essential System requirements for TNCremoNT PC with 486 processor or higher Operating system Windows 95 Windows 98 Windows NT 4 0 16 MB working memory 5 MB free memory space on your hard disk One free serial interface or connection to the TCP IP network on TNCs with Ethernet card Installation under Windows Start the SETUP EXE installation program in the file manager Explorer Follow the instructions of the setup program Starting TNCremo under Windows 3 1 3 11 and NT 3 51 Windows 3 1 3 11 NT 3 51 Double click on the icon in the program group HEIDENHAIN Applications When you start TNCremo for the first time you will be asked for the type of control you have connected the interface COM1 or COM2 and the data transfer speed Enter the necessary information Starting TNCremoNT under Windows 95 Windows 98 and NT 4 0 Click on lt Start gt lt Programs gt lt HEIDENHAIN Applications gt lt TNCremoNT gt HEIDENHAIN TNC 406 TNC 416 237 12 5 Software f

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