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HEIDENHAIN TNC 640 (34059x-02) ISO programming User Manual

Page 308

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Programming: Q Parameters

9.12 Programming examples

9

308

TNC 640 | User's Manual for DIN/ISO Programming | 5/2013

N280 Z+Q12 *

Pre-position in spindle axis to set-up clearance

N290 G01 Z-Q9 FQ10 *

Move to working depth

N300 G98 L1 *
N310 Q36 = Q36 + Q35 *

Update the angle

N320 Q37 = Q37 + 1 *

Update the counter

N330 Q21 = Q3 * COS Q36 *

Calculate the current X coordinate

N340 Q22 = Q4 * SIN Q36 *

Calculate the current Y coordinate

N350 G01 X+Q21 Y+Q22 FQ11 *

Move to next point

N360 D12 P01 +Q37 P02 +Q7 P03 1 *

Unfinished? If not finished, return to LBL 1

N370 G73 G90 H+0 *

Reset the rotation

N380 G54 X+0 Y+0 *

Reset the datum shift

N390 G00 G40 Z+Q12 *

Move to set-up clearance

N400 G98 L0 *

End of subprogram

N99999999 %ELLIPSE G71 *