Same here yeah clamp shaft. Cut with cut off blade, done. 5 min job.
Or make a 5mm thick adapter plate. And rotate holes 10 degrees. Also very easy. This is probably what I would do unless the motor pcds are already fitting to motor frame which is unlikely. On Tue, 19 Oct 2021, 03:39 dave engvall, <[email protected]> wrote: > I use 1/16" grinding discs all the time for such. I think I'd arrange to > clamp the shaft not the motor frame so as to > reduce vibration on the bearings. It it amazing what those discs will do > at reasonable speeds. > > Dave > > On 10/17/21 10:27 PM, andrew beck wrote: > > Quick and easy way is to use a 1mm cutting disc on a angle grinder. > > > > Slightly harder option is put it in a mill, > > > > clamp the shaft and cut 5mm off > > > > Just don't bang on shaft and you will be sweet. > > > > I would definitely not take them apart that's a headache > > > > > > On Mon, 18 Oct 2021, 18:12 Ralph Stirling, < > [email protected]> > > 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 > >> [email protected] > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
