1. G Function Description
1.2.20 G40/G41/G42: CUTTER COMPENSTAION
Command form:
G41
G42
X_
Y_
Z _;
G40；
G41: cutter compensation left.
G42: cutter compensation right.
G40: cutter compensation cancel.
X, Y: the end coordinate of each axis.
D: code for specifying as the cutter compensation value.
Description:
In general, when the tool is moved, if tool center is cutting along the
workpiece, and the tool radius is overcut. In cutter compensation, the tool
moved, the tool path can be shifted by the radius of tool. It can let the shape
which is after process is equal with layout. Therefore we can enter the size
of layout, and match this function, to get the right size of workpiece, we can
ignore tool radius in the program.
Example:
1. Cutter compensation:
Program path
Compensation
value
Tool path
46
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