Example: Groups Of Holes - HEIDENHAIN TNC 426 B User Manual

Example: Groups of holes

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
BEGIN PGM UP1 MM
1 BLK FORM .1 Z X+ Y+
2 BLK FORM .2 X+1 Y+1
3 TOOL DEF 1 L+ R+2.5
4 TOOL CALL 1 Z S5
5 L Z+25 R F MAX
6 CYCL DEF 2 DRILLING
Q2 =2 ;SET-UP CLEARANCE
Q2 1=-1 ;DEPTH
Q2 6=25 ;FEED RATE FOR PLNGNG
Q2 2=5 ;PLUNGING DEPTH
Q21 = ;DWELL TIME AT TOP
Q2 3=+ ;SURFACE COORDINATE
Q2 4=1 ;2ND SET-UP CLEARANCE
7 L X+15 Y+1 R F MAX M3
8 CALL LBL 1
9 L X+45 Y+6 R F MAX
1 CALL LBL 1
11 L X+75 Y+1 R F MAX
12 CALL LBL 1
13 L Z+25 R F MAX M2
HEIDENHAIN TNC 426 B, TNC 430
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Z-2
Z+
Define the tool
Call the tool
Retract the tool
Cycle definition: drilling
Move to starting point for group 1
Call the subprogram for the group
Move to starting point for group 2
Call the subprogram for the group
Move to starting point for group 3
Call the subprogram for the group
End of main program
Y
100
60
20
10
15 45
5
X
75 100
247