Rockwell Automation 8520 9/Series CNC Lathe User Manual
Page 515
Tool Tip Radius Compensation (TTRC)
Function
Chapter 21
21-31
Figure 21.25 through Figure 21.28 illustrate the basic motion of the cutting
tool as it executes program blocks during TTRC.
Figure 21.25
TTRC Tool Paths Straight Line-to-Straight Line
180
£q £
270
270
£q £360
90
£q £
180
0
£q £
90
generated block
G41
G42
Programmed path
G41
G42
Programmed path
q
G41
G42
Programmed path
q
q
q
G41
G42
Programmed path
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
0
£q £
90
G41
G42
Programmed path
q
r
r
r
r
G39.1 (Circular Generated Block)
G39 (Linear Generated Block)
G39.1 (Circular Generated Block)
G39 (Linear Generated Block)
270
£q £360
q
G41
G42
Programmed path
r
r
r
r
r
generated block
Linear
Circular
generated
Linear
block
generated
Circular
block
12121-I
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