
PROGRAMMING12. COMPENSATION FUNCTION
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When a beam with a rotation axis (C–axis) is moved in the XY plane
during cutting, the normal direction control function can control the beam
so that the C–axis is always perpendicular to the beam path (Fig. 12.7 (a)).
C–axis
Programmed
beam path
Normal
direction
Programmed
beam path
C–axis
Fig12.7 (a) Nozzle Operation (Example)
G code
Function Explanation
G41.1 or G151
Normal direction
control left
If the workpiece is to the right of the
nozzle path looking toward the
direction in which the nozzle ad-
vances, the normal direction con-
G42.1 or G152
Normal direction
control right
trol left (G41.1 or G151) function is
specified.
After G41.1 (or G151) or G42.1 (or
G152) is specified, the normal
direction control function is en-
G40.1 or G150
Normal direction
control cancel
abled (normal direction control
mode).
When G40.1 (or G150) is speci-
fied, the normal direction control
mode is canceled.
12.7
NORMAL DIRECTION
CONTROL (G40.1,
G41.1, G42.1 OR
G150, G151, G152)
Format