I'm creating some barrel cams. The trajectory is sort of a sine-shaped curve, wrapped (old "formed datum curve" command) around a cylinder. The problem is that although the sweep section is always the correct width and depth specified in the sweep section, if I actually follow the curve trajectory with a cylindrical cutting tool (typical end-mill), the resultant groove walls are slightly different than what the sweep provides, especially the bottom. This is due to the cutting of the tool on the leading trailing edges. Now, when they inspect the parts per my model, the bottom of the groove may be off by .003in, and the sides somewhat less at around .005in. So, knowing what I want, and the typical cutting tool geometry, is there an easy way (Pro/Man, perhaps?) to get the resultant geometry in my model without having to do some major surfacing? Thanks, Frank
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