On 02/03/2017 05:28 AM, andy pugh wrote: > On 3 February 2017 at 11:19, Valerio Bellizzomi <vale...@selnet.org> wrote: >> With this interpolated motion there is no need for spindle reversal when >> tapping > Yes, but, unless there is something very clever going on in those > animations, you need a cutting tool with zero lead. > I am about 80% convinced that you can#t do it with a standard tap. > Absolutely correct. these thread mills have rows of cutting teeth, that are not on a helix.
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