repeatability

rhinobywilhite said:
What is acceptable repeatability for a cnc in order to cut inlays and pockets?
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The simple answer is whatever the eye will allow. Could be .001 or could be .010. Be careful of advertised repeatability as they've created unrealistic expectations. I think .003 would be decent enough to live with as long as it wasn't compound or in the form of backlash.
 
I would agree with Jake. Question is how do you measure that? Backlash is easy to measure at a slow speed. There are other factors as well. If you are using a stepper system there can be lost steps as well which can not be recovered easily and part or pocket could be spoiled.

Jim
 
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