HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 372)

372 10 Programming: Q Parameters
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18 CALL LBL 10 Call machining operation
19 FN 0: Q10 = +0 Reset allowance
20 FN 0: Q18 = +5 Angle increment in the X/Y plane for finishing
21 CALL LBL 10 Call machining operation
22 L Z+100 R0 FMAX M2 Retract in the tool axis, end program
23 LBL 10 Subprogram 10: Machining operation
24 FN 1: Q23 = +Q11 + +Q6 Calculate Z coordinate for pre-positioning
25 FN 0: Q24 = +Q4 Copy starting angle in space (Z/X plane)
26 FN 1: Q26 = +Q6 + +Q108 Compensate sphere radius for pre-positioning
27 FN 0: Q28 = +Q8 Copy rotational position in the plane
28 FN 1: Q16 = +Q6 + -Q10 Account for allowance in the sphere radius
29 CYCL DEF 7.0 DATUM SHIFT Shift datum to center of sphere
30 CYCL DEF 7.1 X+Q1
31 CYCL DEF 7.2 Y+Q2
32 CYCL DEF 7.3 Z-Q16
33 CYCL DEF 10.0 ROTATION Account for starting angle of rotational position in the plane
34 CYCL DEF 10.1 ROT+Q8
35 LBL 1 Pre-position in the tool axis
36 CC X+0 Y+0 Set pole in the X/Y plane for pre-positioning
37 LP PR+Q26 PA+Q8 R0 FQ12 Pre-position in the plane
38 CC Z+0 X+Q108 Set pole in the Z/X plane, offset by the tool radius
39 L Y+0 Z+0 FQ12 Move to working depth