HEIDENHAIN TNC 426, TNC 430 353
9.6 Programming 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
11
31
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