Originally Posted by jmcglynn  Bob, why not HSM for roughing? I tend to use it a lot for roughing, and use non-HSM for finishing in some specific cases. For 2D shapes and pockets HSM is a bad choice for finishing because the surface finish if terrible (loads of little fidgety little arc moves).
Joe |
Joe, I don't use HSM for roughing because I block the part out using 2D profiles and pockets. I do use 3D roughing for small pockets because I use plunge-milling for roughing 3D shapes and I must admit I don't know if that strategy is available in HSM - I haven't looked.