HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 347)

Programming examples 9.12
9
TNC 620 | User's ManualDIN/ISO Programming | 2/2015
347
N320 G11 G40 R+Q26 H+Q8 FQ12 * Pre-position in the plane
N330 I+Q108 K+0 * Set pole in the Z/X plane, offset by the tool radius
N340 G01 Y+0 Z+0 FQ12 * Move to working depth
N350 G98 L2 *
N360 G11 G40 R+Q6 H+Q24 FQ12 *
Move upward in an approximated "arc"
N370 D02 Q24 P01 +Q24 P02 +Q14 * Update solid angle
N380 D11 P01 +Q24 P02 +Q5 P03 2 * Inquire whether an arc is finished. If not finished, return to
LBL 2
N390 G11 R+Q6 H+Q5 FQ12 * Move to the end angle in space
N400 G01 G40 Z+Q23 F1000 * Retract in the spindle axis
N410 G00 G40 X+Q26 * Pre-position for next arc
N420 D01 Q28 P01 +Q28 P02 +Q18 * Update rotational position in the plane
N430 D00 Q24 P01 +Q4 * Reset solid angle
N440 G73 G90 H+Q28 * Activate new rotational position
N450 D12 P01 +Q28 P02 +Q9 P03 1 * Unfinished? If not finished, return to LBL 1
N460 D09 P01 +Q28 P02 +Q9 P03 1 *
N470 G73 G90 H+0 *
Reset the rotation
N480 G54 X+0 Y+0 Z+0 * Reset the datum shift
N490 G98 L0 * End of subprogram
N99999999 %SPHERE G71 *