
Dresser/Wheel Radius Compensation
Chapter 15
15-25
There is a limit to the amount that an I, K vector can modify the last
compensated block. An I, K vector can only shorten/lengthen the last
compensated block by an amount equal to one active dresser/wheel radius
(see Example 15.5). The direction of the offset is towards the point of
intersection of the I, K vector and the current compensated dresser/wheel
path.
Example 15.5
Exit Move Defined by an I,K Vector but Limited to Dresser/Wheel Radius
Assume T1 radius is 3
N10 Z10.G41T1
N11 X10.Z2.I3K-10.G40;
Figure 15.20
Results of Example 15.5
Compensated pathusing I,K vector
Compensated path if no I,K in G40 block
Intercept line
I, K
Programmed path
Compensated path
N10
N11
r
r
r
I,K intersection here, however,
compensated path can only be
extended by one dresser/wheel
radius.
12112-I
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