What about using an AC motor reduction drive. They're pretty robust but I'm not sure about the backlash. Usually easy to find as surplus. Something like this; http://www.bonfiglioli.com/vfpres_uk.html
Replace the AC motor with a stepper. Regards Roland 2009/5/25 Kirk Wallace <[email protected]> > I need to start to think about making or getting a rotary axis. The > first thing that comes to mind is to adapt a servo and encoder to one of > these: > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260343949073 > > What other options should I consider, maybe start from scratch, if so > what type of drive? > -- > Kirk Wallace > http://www.wallacecompany.com/machine_shop/ > http://www.wallacecompany.com/E45/index.html > California, USA > > > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity professionals. > Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian > Group, R/GA, & Big Spaceship. http://www.creativitycat.com > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://www.creativitycat.com _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
