Do you have the correct value current set resistors in the DB9 connection to the motors?
Martin > Date: Sun, 26 May 2013 14:19:14 -0400 > From: ivatt...@gmail.com > To: emc-users@lists.sourceforge.net > Subject: [Emc-users] G540, trip pots and stepper motor temperatures. > > I'm getting my little Unimat CNC lathe going, and am doing axis running > tests; right now working on the Z axis (carriage movement) > > The X axis stepper is sitting idle, the Z axis stepper is running back and > forth. It is really hot to the touch, and one can smell hot insulation. > >From what I calculated, this NEMA-11 stepper motor has a motor voltage of > about 68 volts, running it on 48 volts. (the X axis stepper is slightly > smaller) > > When it was just sitting, the motor was hot to the touch. From reading this > list, one might think that running the motor might actually keep it cooler. > > Anybody know why one stepper motor would be overheating? > > (10mm/sec step rate, not overly fast) > > Yours truly, letting things cool off before trying anything else; > > John A. Stewart. > ------------------------------------------------------------------------------ > Try New Relic Now & We'll Send You this Cool Shirt > New Relic is the only SaaS-based application performance monitoring service > that delivers powerful full stack analytics. Optimize and monitor your > browser, app, & servers with just a few lines of code. Try New Relic > and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_may > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Try New Relic Now & We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, & servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_may _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
