Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual do Utilizador descarregar pdf (Página 513)

Dresser/Wheel Radius Compensation

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

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

Programmed path

Compensated path

I,K intersection here, however,

compensated path can only be

extended by one dresser/wheel

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Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual do Utilizador Página 513