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3D Surface Toolpath milling deeper than surface
I am machining some silicone molds and when I generate the toolpaths, the toolpath shows that it is under the surface. You can only see it if you turn the part to wireframe. However it only does this in the bottom of the channel not the sides. Attached are photos of molded parts. You can see that the bottom is thicker than the sides, also it is chamfering the edge of the mold which is leaving the pointed part on the edges. Any thoughts or ideas?
Re: 3D Surface Toolpath milling deeper than surface
I finally determined what the problem was...eroded tool probe. My Renishaw tool probe had actually eroded away or actually developed a dent/crater in the middle of it. The dent was so small I couldn't see it without looking at it under a magnifying glass. So the problem was large ball endmills (0.125") would probe fine because the tip was large enough not to go down in the dent but when I would probe a small ball endmill (0.010" or 0.020") the endmill would go down into this dent and the machine would record the length. But the actual length was a little bit longer by however far it went into the dent. I hope this makes sense and everyone should take a look at their probe anvil to make sure it doesnt have any issues.