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HEIDENHAIN TNC 620 (81760x-02) User Manual

Page 362

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Programming: Q parameters

9.13 Programming examples

9

362

TNC 620 | User's Manual

HEIDENHAIN Conversational Programming | 2/2015

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