Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set User Manual
Page 498
Dresser/Wheel Radius Compensation
Chapter 15
15-10
Use care when programming contours using this compensation scheme.
You must consider the wheel width when programming and change to the
proper control point using the appropriate wheel length offsets as the
contour of the part dictates.
Figure 15.8
Programming Considerations For Wheel Width
Control point shifted to
this corner for this
contour
Control point
shifted to this
corner for this
contour
Part
Must shift control point
before execution of this
block begins
12088-I
Additional error conditions can occur from programming without
consideration for wheel width. It is the programmer’s responsibility to
catch these programming errors.
Figure 15.9
Programming Error From Not Considering Wheel Width
Part
Cannot cut this pocket because
grinding wheel is dressed too wide.
Compensation is unable to detect this error.
12089-I
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