On Mon, Mar 7, 2011 at 10:25 PM, Jon Elson <el...@pico-systems.com> wrote:
> Igor Chudov wrote: > > I have, on my mill, a 3 phase spindle motor on a VFD, driving the spindle > > with a VS belt. > > > > I also have an encoder on the spindle. > > > > I wonder if, for any kind of a yet-unknown purpose, I would want to > orient > > my spindle in a particular way with precision. > > > > If I did want that, could I buy some kind of a AC servo drive or > something > > like that, and use encoder feedback to orient my spindle? > > > Yes, to some extent even a standard VFD can do this. It depends on what > you want. If you want to orient the spindle for tool change, that > should be easy. If you want to orient a cutting tool at a particular > angle for cutting splines or something, ie. holding a tool at a > particular angle against cutting forces, then probably not. > > A flux vector drive could do this. > > Thanks, something like this? Could EMC work with it? i ------------------------------------------------------------------------------ What You Don't Know About Data Connectivity CAN Hurt You This paper provides an overview of data connectivity, details its effect on application quality, and explores various alternative solutions. http://p.sf.net/sfu/progress-d2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users