Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 533

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Dresser/Wheel Radius Compensation
Chapter 15
15-45
For one of these cases that changes the radius compensation direction, the
control attempts to find an intersection of the actual compensated paths:
Linear-to-Circular, Circular-to-Linear, or Circular-to-Circular Paths
If the control finds an intersection, it modifies the end-point of the original
compensated path and the start-point of the new compensated path to equal
that intersection (see Figure 15.38).
Figure 15.38
Change in Compensation with Actual Path Intersection
G41
G42
G41
Programmed
Compensated pathG41
Programmed path
r
+
+
r
r
r
+
+
Programmed
path
Compensated
pathG42
Compensated
pathG42
12129-I
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