On Thursday 28 May 2020 16:59:17 Chris Albertson wrote: > > The pulleys coaxial with the rotation is a neat idea. > > But how much gear-own do you need? > > > > I ran my BS0 with direct drive and a tiny little servo (1Nm?) and it > > was pretty much OK. > > You tested the BS0 empty? What if there is a casting mounted in it so > as to present an eccentric load? Also what if the machine operation > places a force on the part that does not intersect the rotation axis? > The motor has to hold the part rigid while it is being milled. OK I > suspect the worm is not back drivable but I can imagine me wanting to > make helix gear by turning the part while the cutter is cutting. > The motor needs to move the part which could be unbalanced while it is > being cut. > > I'm some months behind Gene on this project. I'm looking to buy a > closed loop stepper for z-axis then place a stepper on a rotary table > to create A-axis. I want to cut metal helical gears. > > > --
One final Q, how much stink is there to running one of these? I could put it in the empty front bedroom, but any great hot plastic stink would get me shut down. Pretty fast. I'd be out in the shop building, and building it a box before the night was very old. > Chris Albertson > Redondo Beach, California > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
