Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 497)

Dresser/Wheel Radius Compensation
Chapter 15
15-9
Figure 15.6
Corner Radius for a Typical Grinding Wheel
X length offset
Z
length
offset
X length offset
Z
length
offset
.25
Radius
.3
Radius
12086-I
See Table 15.A for compensation direction for G codes.
Figure 15.7
Grinding Wheel Motion Across Part to Establish Compensation Direction
G41; Compensation
left
G42; Compensation
right
Typical Cylindrical Grinder
Radius Compensation
12087-I