On Tuesday, December 17, 2013 5:51:38 AM UTC-8, jim wrote:
"Lloyd E. Sponenburgh" wrote:





One thing I don't understand about the demo you showed us is why

FeatureCam would leave stock you wouldn't already know about?



It sounds like you've never done any 3d surface milling.



You end up with stock left over that the finish tool can't

reach (because the radius is too large).

A rest milling (or sometimes called pencil tracing)

routine will find those areas and allow for cutting

them with a smaller radius tool.



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Pencil tracing refers most often to cutting the fillet radius's between surfaces. Here is an example:

http://www.solidcam.cz/typo3temp/pics/6f2861c3f8.jpg

Rest machining has a much broader definition and means anything that's left over from previous toolpaths.