Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 521)

Dresser/Wheel Radius Compensation
Chapter 15
15-33
Figure 15.25
Dresser/Wheel Path for Exit Move Straight Line-to-Straight Line
0
≤ θ ≤
90
90
≤ θ ≤
180 180
≤ θ ≤
270
270
≤ θ ≤
360
A
Programmed
path
G41
G42
Programmed
path
G41
G42
Programmed
path
G41
G42
Programmed
path
G41
G42
θ
θ
θ
θ
A
A B
C
D
E
End-point
C
B A
B
C End-point
End-point
E
End-point
B
C
D
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
G39 (Linear Generated Blocks)
G39.1 (Circular Generated Block) G39 (Linear Generated Blocks)
0
≤ θ ≤
90
G42
G41
Programmed
path
θ
r
r
r
End-point
A B
C
D
G39.1 (Circular Generated Block)
G42
G41
Programmed
path
End-point
θ
r
r
r
270
≤ θ ≤
360
A B
C
D
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