12. Tool Compensation Functions
12.4 Tool Radius Compensation
187
Changing the compensation direction during tool radius compensation
The compensation direction is determined by the tool radius compensation commands (G41, G42)
and compensation amount sign.
Compensation amount
sign
G code
+
-
G41
Left-hand compensation
Right-hand compensation
G42
Right-hand compensation
Left-hand compensation
The compensation direction can be changed by changing the compensation command in the
compensation mode without the compensation having to be first canceled. However, no change is
possible in the compensation start block and the following block.
Refer to section "12.4.5 General precautions for tool radius compensation" for the movement when
the symbol is changed.
Point of intersection
Tool center path
Program path
r
G41
r
Linear Linear
G41
G42
r
r
If there is no point of
intersection when the
compensation direction
is changed.
Linear
↔
Circular
Tool center path
Program path
r
G41
r
G41
G42
G41
G42
r
r
r
r