What is corner_offset in local milling? help document doesn't explain clearly.

[lzhao]

What is corner_offset in local milling? help document doesn't explain clearly.

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[gkoch]

I am not sure, but isn't it used with local milling sequences that are not based on a previous sequence, but geometry? Then it defines how much material is assumed to be left over in the corners due to whatever reasons.

[JasonPensack]

Gunter has the right idea. It is used in "Local Milling" - "Corners". It tells the software how far from the corner there is still material left. Basically the radius of the tool. For example, If I rough the inside walls of a pocket with a .500" endmill then the value would be .250". I usually use a slightly larger value so there is some overlap and a cusp isn't left. So I would use .265" instead.

[lzhao]

my current part has inside corner R0.13 and R0.16, I use 1/2 end mill to do all profile cutting, no problem. then I tried to use 1/4 end mill only do corner cutting, I use local milling to clean the corner, failed.

what is problem? anyone can show me how to do it?

I attached the part file.