Corner radius – Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set User Manual
Page 496

Dresser/Wheel Radius Compensation
Chapter 15
15-8
Figure 15.5
Diamond Dresser Relative Motion Across Grinding Wheel to Establish
Compensation Direction
G41;
Compensation left
(radius is left of
programmed path)
G41; Compensation
left
G42; Compensation
right
G42;
Compensation right
(radius
is
right
of
programmed path)
Programmed wheel path
Relative dresser motion
(opposite actual
programmed wheel
motions in this document)
12085-I
Corner Radius
The control can compensate for grinding errors resulting from the rounded
corner commonly dressed into the grinding wheel. This corner radius
should be the corner of the wheel selected as the control point using wheel
length offsets. In order for radius compensation to properly compensate
for wheel corner roundness, you must enter the corner radius of the wheel
corner currently selected as the control point into the offset table. The
same wheel can have one, two, or more corners entered for its corner
radius. It is the programmer’s responsibility to use the correct radius
(called with a T word) for the correct control point of the grinding wheel
(also selected with a T word).
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