CNC Setup Utility Manual
P/N 70000490C - Machine Constants
All rights reserved. Subject to change without notice.
10-December-04
2-71
Control Software Parameters
The Control Software Setup Parameter Group ranges from MC_1000
through MC_1099.
Compensation Cutoff
The MC_1009: Compensation cutoff angle parameter minimizes
wasted travel on acute angle. Figure 2-1, Compensation Cutoff Angle
illustrates two Compensation Cutoff scenarios. Assume all programmed
moves are made with Tool Diameter Compensation active. The diagram
describes two cases:
Diagram A shows the tool path that results when no Compensation
Cutoff angle is used. The tool path travels beyond the part diameter to a
point where compensated Moves 1 and 2 intersect, before the CNC
executes Move 2.
Diagram B shows the tool path that results when a Compensation Cutoff
angle is used. The CNC introduces an arc move, equal to the radius of
the cutter, between Programmed Moves 1 and 2. This arc is not
programmed, but is a function of the active Compensation Cutoff Angle
and alters the tool path, decreasing the amount of travel necessary to
complete the programmed moves.
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