Having a decently high count encoder on the spindle - you don't need a 'servo' spindle.. You can do fancy stuff like...
https://www.youtube.com/shorts/23bEsKMNJH0 > In that event, stretch the definition of spindle to include drives > similar to the A drive on the G0704, or the B drive on my 6040. > > Those are both 3 phase stepper/servo's of 3nm power, both driving an > rvs30 series worm drive for a 5/1 reduction. These worms do have a half > degree of backlash that may not be wholly consistent, but I'm carving > buttress threads with them in synchronized motions, works fine. Top > speeds of something in the 400 rpm range. At a speed your Z drive can > track is a Sunday drive for that combo. > > We have the trig functions, and a simple multiply based on the > remainder(mod) could easily return a triangular shape if its a sine. I'm > positive I could come up with something on the 6040 doable with its 24k > rev spindle and a CBN wheel. Not fast mind you, but doable. CBN is > gawdawful $$$ and fragile in shapes and sizes I've found but it will > "get the job done". It is much like diamond but cuts HSS w/o destroying > both as there is no carbon in it. Leaves no wire edge to be easily > broken off and dulled, HSS is finished like a shaving mirror. All it > should take is somebody better at math than me. > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
