Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 562)

Cutter Diameter Compensation
(G40, G41, G42)
Chapter 21
21-44
Figure 21.41 describes the tool path when the programmed moves are
linear-to-circular.
Figure 21.41
Linear-to-Circular Change in Cutter Radius During Compensation
No control-generated
motion blocks With control-generated
motion blocks
Generated blocks
Compensated
path
Programmed
path
Compensated
path
Programmed
path
r
1
r
1
r
1
r
2
r
2
r
2
+
Figure 21.42 describes the tool path when the programmed moves are
circular-to-circular.
Figure 21.42
Circular-to-Circular Change in Cutter Radius During Compensation
No control-generated
motion blocks With control-generated
motion blocks
Programmed
path
Compensated
path
r
1
r
2
r
2
r
2
r
1
r
1
Programmed
path
Compensated
path
Generated blocks