Gene Heskett wrote: > Now I can > write a peck loop wrapping up the G33.1, that can drive a 10-32 tap half an > inch into a prepared hole, backing out to clear chips, and do it in perhaps > 45 to 60 seconds. Each direction change, at 300 revs, takes a bit less > than 3 seconds for the stop, and accelerate to the same speed in the other > direction. Listening to the z stepper growl seems to say that it is > totally and absolutely locked. I have killed the motor power in mid cycle, > and rolled the spindle by hand, with the z drive following it perfectly, as > I expected. ;-) > > I do 4-40 holes with a combined drill-tap in about 12 seconds at 1000 RPM. it takes most of the time doing the drill plunge, then the tapping only takes a couple of seconds. I do 10-32 in pre-drilled holes in about 4 seconds at 660 RPM. Those are single-pass tapping cycles in aluminum.
Jon ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
