Jim Register wrote: > Rather than adding separate encoders, you might consider adding separate > tachs as Jon Elson did. See the third photo down at this link: > > http://pico-systems.com/CNCconv.html > > I would look at someplace like Surplus Center for some small DC motors > that could be used as tachs. > DC motors do not necessarily make good tachs. You want extremely low voltage ripple and silver brushes. But, Maxon makes motors and tachs exactly alike, so almost any Maxon motor will make an excellent tach. They make them quite small, too.
Jon ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users