Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 555)

Cutter Diameter Compensation
(G40, G41, G42)
Chapter 21
21-37
Figure 21.32
Linear-to-Linear Change with A Generated Block
Compensated
path
Programmed
path
Point 2 Point 1
G42
N12
N11
N10
G41
r
r
r
r
r
r
Figure 21.33
Linear-to-Linear Change with No Generated Block
Point 2
Point 1
N21
G42
Compensated
path
Programmed
path
N20 G41