is one side of the servo wires getting grounded? Can you check the continuity of the servo brushes to ground?
sam On 1/1/2014 3:15 PM, Ed wrote: > On 01/01/2014 02:20 PM, Eric Keller wrote: >> On Wed, Jan 1, 2014 at 3:14 PM, Ed <ate...@mwt.net> wrote: >> >>> Don't know the ratings but they are ElectroCraft E723 motors that came >>> on the machine OEM >> an older DC motor might have a bad commutator bar. Or brush problems. > The brushes look good, over 1/2 In left and lots of spring pressure. > > >> No torque in one direction but not the other sounds like something >> mechanical if the electronics are sound. > Well Index left the dials on the ball screw shafts for the owners that > did not trust those newfangled NC's. They do provide a good place to > grab to check holding torque, lots one way and nil the other. After the > amp faults it turns freely either direction. > > Ed. > > > > > ------------------------------------------------------------------------------ > Rapidly troubleshoot problems before they affect your business. Most IT > organizations don't have a clear picture of how application performance > affects their revenue. With AppDynamics, you get 100% visibility into your > Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! > http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
