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
