Owner's manual

Cutter Diameter Compensation
(G40, G41, G42)
Chapter 21
21-8
When which is:is active and is cutting:
G41 straightline toarc
(or arc to straightline)
greaterthan90 degrees
butlessthan180 degrees
G42 straightline toarc
(or arc to straightline)
greaterthan180 degrees
butlessthan270 degrees
Figure 21.6
Cutter Compensation Examples
G41
Programmed path
•
r
r
r
r
270 ••••••
•
G42
Programmed path
r
r
r
r
generated
Linear
block
•
G42
r
180 •••270
r
Programmed
path
Linear
generated
block
Programmed
path
+
Compensated path
necessary to cut arc
r
Compensated path
G41
•
90 •••180
Inside Angle
0
•••••
Outside Angle
Straight Line-to-Arc
Straight Line-to-Arc
generated
Linear
block
generated
Linear
block