Rockwell Automation 8520 9/Series CNC Lathe - Manual (Page 528)

Tool Tip Radius Compensation (TTRC)
Function
Chapter 21
21-44
Figure 21.39
Linear-to-Linear Change in Cutter Radius During Compensation
No control generated
motion blocks
With control generated
motion blocks
Compensated
path
Programmed
path
N10
N11
N12
Compensated
path
Programmed
path
Generated
blocks
N10
N11
N12
N10
N11 D_
N12
N10
N11 D_
N12 r
1
r
1
r
1
r
1
r
2
r
2
r
1
r
1
r
2
r
2
Figure 21.40 describes the tool path when the programmed moves are
linear-to-circular.
Figure 21.40
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
+