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Elliptical toolpath instead of circle


Raghav
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Dear All,

I'm facing a major problem in my Turbo PMAC system in which while using G02/03 command elliptical toolpath is achieved instead of circular. I tried to find the cause of the problem but in vain. Can anyone let me know what could be wrong for this error to occur.

 

Thanks.

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Raghav,

 

Please check the following as all of these can cause a circular path to turn into an elliptical path:

- make sure the normal you are defining matches the plane your tool is expected to move in a circular path.

- make sure you don't have any unknown rotation transformation happening.

- make sure your scale factors for axis definitions are correct.

 

 

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The problem is resolved now. Since one of the encoder we had was faulty we changed it and never checked for the resolution of it. Since there was a difference in the resolution, the motion weren't synchronized.

 

Thanks.

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