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Example: group of holes with several tools, Programming examples 8.6 – HEIDENHAIN TNC 640 (34059x-02) User Manual

Page 275

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Programming examples

8.6

8

TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013

275

Example: Group of holes with several tools

Program sequence:

Program the fixed cycles in the main program

Call the entire hole pattern (subprogram 1)

Approach the groups of holes in subprogram 1, call
group of holes (subprogram 2)

Program the group of holes only once in subprogram
2

0 BEGIN PGM UP2 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

Call tool: center drill

4 L Z+250 R0 FMAX

Retract the tool

5 CYCL DEF 200 DRILLING

Define the CENTERING cycle

Q200=2

;SET-UP CLEARANCE

Q202=-3

;DEPTH

Q206=250

;FEED RATE FOR PLNGNG

Q202=3

;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 CALL LBL 1

Call subprogram 1 for the entire hole pattern

7 L Z+250 R0 FMAX M6

Tool change

8 TOOL CALL 2 Z S4000

Call tool: drill

9 FN 0: Q201 = -25

New depth for drilling

10 FN 0: Q202 = +5

New plunging depth for drilling

11 CALL LBL 1

Call subprogram 1 for the entire hole pattern

12 L Z+250 R0 FMAX M6

Tool change

13 TOOL CALL 3 Z S500

Call tool: reamer