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13 pr ogr amming examples – HEIDENHAIN TNC 320 (340 55x-04) User Manual

Page 293

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HEIDENHAIN TNC 320

293

8.13 Pr

ogr

amming Examples

17 CALL LBL 10

Call machining operation

18 FN 0: Q10 = +0

Reset allowance

19 FN 0: Q18 = +5

Angle increment in the X/Y plane for finishing

20 CALL LBL 10

Call machining operation

21 L Z+100 R0 FMAX M2

Retract in the tool axis, end program

22 LBL 10

Subprogram 10: Machining operation

23 FN 1: Q23 = +Q11 + +Q6

Calculate Z coordinate for pre-positioning

24 FN 0: Q24 = +Q4

Copy starting angle in space (Z/X plane)

25 FN 1: Q26 = +Q6 + +Q108

Compensate sphere radius for pre-positioning

26 FN 0: Q28 = +Q8

Copy rotational position in the plane

27 FN 1: Q16 = +Q6 + -Q10

Account for allowance in the sphere radius

28 CYCL DEF 7.0 DATUM SHIFT

Shift datum to center of sphere

29 CYCL DEF 7.1 X+Q1

30 CYCL DEF 7.2 Y+Q2

31 CYCL DEF 7.3 Z-Q16

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 tool 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