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Unread 24-01-2014, 22:28
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Re: CAM Pocketing/Contouring Methods

Quote:
Originally Posted by FenixPheonix View Post
Last note: I don't know whether HSMExpress has any constant-engagement toolpaths (trochoidal?) If so, use them. They'll limit the engagement in corners (where engagement angle normally spikes. For example, 50% cutter engagement turns into 75% when you hit an internal 90 degree corner), allowing you to turn the whole cut up, and keeping your tool safe.
A cutter programmed for a 40% step over will see nearly 100% engagement when it hits inside corners of the same radius size. An inside corner radius that is 3 times the cutter radius will see the engagement of 52%.