On Tuesday 12 February 2008 04:55, W. Jacobs wrote: > aram, > It would be easier to measure current to the motor as this would be what > creates the torque. Current measurement is easy. > If you want to truly measure the torque, it is done either with a strain > gauge on the shaft or with a spring coupled drive and measure the > deflection of the spring. Either way, you need a pair of slip rings to > get the information to the outside world. These are noisy and will be > hard to use. > > bill > > [EMAIL PROTECTED] wrote: > > Hi > > Can you measure torque on AC servo motor? > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Hi Guys, another way of measuring torque involves 2 toothed rings and hall effect pick-ups. Ensure that the rings are rigidly fixed to the shaft and you will find that you will get a varying phase difference between the output of your two pick-ups as the shaft twists under torque loading. No noisy slip rings :-) .
Cheers, Geoff. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
