On Monday 18 October 2021 02:54:12 Thomas J Powderly wrote: > wire edm , use ground clip on the shaft so no current thru bearings > > if wedm is available, its an easy job > > tomp
I've not used wire, but have used spinning brass discs to make deep compression slots, spinning 200 rpms under water, distilled works best. Better than k2 IMO. And you are right, wedm is the way to do it. Very clean cuts, no burrs. > > On 10/18/21 9:34 AM, Ralph Stirling wrote: > > I just got a great deal on three 750w brushless servos and drives to > > upgrade my cnc mill. They have the same face dimensions, but the > > shafts are 5mm longer than the old brush servos. There was no > > clearance between the motor shaft and ball screw inside the coupler, > > so I need shorten the 32mm long 19mm diam shafts by 5mm. Can this > > be done without damage to the motor from heat or vibration? I don't > > want to have to pull the ball screws. > > > > Thanks, > > -- Ralph > > > > _______________________________________________ > > 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 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, 1940) 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
