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Example: groups of holes – HEIDENHAIN TNC 320 (34055x-06) User Manual

Page 232

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Programming: Subprograms and program section repeats

7.6

Programming examples

7

232

TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013

Example: Groups of holes

Program sequence:

Approach the groups of holes in the main program

Call the group of holes (subprogram 1)

Program the group of holes only once in subprogram
1

0 BEGIN PGM UP1 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S5000

Tool call

4 L Z+250 R0 FMAX

Retract the tool

5 CYCL DEF 200 DRILLING

Define the DRILLING cycle

Q200=2

;SET-UP CLEARANCE

Q201=-10

;DEPTH

Q206=250

;FEED RATE FOR PLNGNG

Q202=5

;PLUNGING DEPTH

Q210=0

;DWELL TIME AT TOP

Q203=+0

;SURFACE COORDINATE

Q204=10

;2ND SET-UP CLEARANCE

Q211=0.25

;DWELL TIME AT BOTTOM

6 L X+15 Y+10 R0 FMAX M3

Move to starting point for group 1

7 CALL LBL 1

Call the subprogram for the group

8 L X+45 Y+60 R0 FMAX

Move to starting point for group 2

9 CALL LBL 1

Call the subprogram for the group

10 L X+75 Y+10 R0 FMAX

Move to starting point for group 3

11 CALL LBL 1

Call the subprogram for the group

12 L Z+250 R0 FMAX M2

End of main program

13 LBL 1

Beginning of subprogram 1: Group of holes

14 CYCL CALL

Hole 1

15 L IX+20 R0 FMAX M99

Move to 2nd hole, call cycle

16 L IY+20 R0 FMAX M99

Move to 3rd hole, call cycle

17 L IX-20 R0 FMAX M99

Move to 4th hole, call cycle

18 LBL 0

End of subprogram 1

19 END PGM UP1 MM