HEIDENHAIN TNC 320, User Manual, Page: 336 / 581

Programming: Q Parameters
9.13 Programming examples
9
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TNC 320 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
32 CYCL DEF 10.0 ROTATION
Account for starting angle of rotational position in the plane
33 CYCL DEF 10.1 ROT+Q8
34 LBL 1
Pre-position in the spindle axis
35 CC X+0 Y+0 Set pole in the X/Y plane for pre-positioning
36 LP PR+Q26 PA+Q8 R0 FQ12 Pre-position in the plane
37 CC Z+0 X+Q108 Set pole in the Z/X plane, offset by the tool radius
38 L Y+0 Z+0 FQ12 Move to working depth
39 LBL 2
40 LP PR+Q6 PA+Q24 FQ12
Move upward in an approximated "arc"
41 FN 2: Q24 = +Q24 - +Q14
Update solid angle
42 FN 11: IF +Q24 GT +Q5 GOTO LBL 2 Inquire whether an arc is finished. If not finished, return to
LBL 2
43 LP PR+Q6 PA+Q5 Move to the end angle in space
44 L Z+Q23 R0 F1000 Retract in the spindle axis
45 L X+Q26 R0 FMAX Pre-position for next arc
46 FN 1: Q28 = +Q28 + +Q18 Update rotational position in the plane
47 FN 0: Q24 = +Q4 Reset solid angle
48 CYCL DEF 10.0 ROTATION
Activate new rotational position
49 CYCL DEF 10.0 ROT+Q28
50 FN 12: IF +Q28 LT +Q9 GOTO LBL 1
51 FN 9: IF +Q28 EQU +Q9 GOTO LBL 1
Unfinished? If not finished, return to LBL 1
52 CYCL DEF 10.0 ROTATION
Reset the rotation
53 CYCL DEF 10.1 ROT+0
54 CYCL DEF 7.0 DATUM SHIFT
Reset the datum shift
55 CYCL DEF 7.1 X+0
56 CYCL DEF 7.2 Y+0
57 CYCL DEF 7.3 Z+0
58 LBL 0
End of subprogram
59 END PGM SPHERE MM