HEIDENHAIN TNC 426B (280 472) Training ISO programming - Manual (Page 38)

Program layout:
HEIDENHAIN Basic Course ISO G 426 G29 F06
G00 X . . . Y . . .
G98 L 1
G91 X . . . M99
G98 L 2
X . . . Y . . . M99
L 2, . . .
X . . . M99
G98 L 3
X . . . Y . . . M99
L 3, . . .
L 1, . . .
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Drilled plate - slanted columns
Move up and
down columns
(meandering)
Drilling pattern
Absolut pre-position
Define label 1
Cross over to 1st hole
Define label 2
Move up the column
Cross over to 2nd
column
Define label 3
Move down the
column
Remaining groups
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100
100
0
0
20
0
10
10 15 20 40 50 70 80
3
5
Vorposition
LBL 2
LBL 3