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6 pr ogr amming examples, Example: groups of holes with several tools – HEIDENHAIN TNC 426 (280 476) User Manual

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HEIDENHAIN TNC 426, TNC 430

353

9.6 Pr

ogr

amming Examples

Example: Groups of holes with several tools

Program sequence

n

Program the fixed cycles in the main program

n

Call the entire hole pattern (subprogram 1)

n

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

n

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 DEF 1 L+0 R+4

Define tool: center drill

4 TOOL DEF 2 L+0 R+3

Define tool: drill

5 TOOL DEF 3 L+0 R+3.5

Define tool: reamer

6 TOOL CALL 1 Z S5000

Call tool: center drill

7 L Z+250 R0 F MAX

Retract the tool

8 CYCL DEF 200 DRILLING

Cycle definition: Centering

Q200=2 ; SET-UP CLEARANCE

Q201=-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

9 CALL LBL 1

Call subprogram 1 for the entire hole pattern

X

Y

15

60

100

100

75

10

45

20

20

5

Z

Y

-20

-15

1

2

1

1

3

1

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