I am trying to cut this cabinet door in 3/4" MDF using a CNC Router and typical 1/2" shank router bits. I would prefer to use my v groove bit for this operation but I am having trouble running a tool path that will make my inside chamfer a crisp 90 degree corner (or close to, tiny radius is fine). With the contour tool path using a my chamfer (V Bit) bit that I entered into my library I am not able to figure out how to cut away the corners without leaving a larger radius in all 4 corners. My thought is that there would be a tool path that would take the v bit and run it up the corners (up and out in a 45 degree motion) in a 3D path perhaps?
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@Anonymous
Trace will do what you need
Regards,
Boopathi
Boopathi Sivakumar
Sr Application Engineer
www.usamcadsoft.in
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You can also use the "pencil" machining strategy. It seems to take an excruciating amount of time to calculate (lessening the tolerance seems to help) but it also gives you some options as far as lead-ins and lead-outs. You can also make it only cut the corners in an upward or downward direction. Personally, I like to cut corners in an upward direction so the tip isn't being plunged into the material.
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