Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 516)

Dresser/Wheel Radius Compensation
Chapter 15
15-28
Figure 15.23 and Figure 15.24 show examples of typical entry moves using
type B radius compensation.
Figure 15.23
Dresser/Wheel Path for Entry Move Straight Line-to-Straight Line
0
≤ θ ≤
90
90
≤ θ ≤
180
180
≤ θ ≤
270
270
≤ θ ≤
360
E
G41
G42
Programmed
path
G41
G42
Programmed
path
G41
G42
Programmed
path
G41
G42
Programmed
path
B
A
C
Start-point
Start-point
A
D
C
B
r
r
θ
θ
r
r
r
θ
θ
A
B
C
D E r
r
r
r
r
r
A
B C r
r
r
Start-point
Start-point
G39 (Linear Generated Blocks)
G39 (Linear Generated Blocks)
r
r
r
r
G39.1 (Circular Generated Block)
0
≤ θ ≤
90
G41
G42
Programmed
path
Start-point
r
r
r
A
B
C D
θ
G39.1 (Circular Generated Block)
270
≤ θ ≤
360
G41
G42
Programmed
path
θ
Start-point
r
r
r
A
B
C D
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