On Tue, 2010-08-17 at 18:11 -0400, Don Stanley wrote: ... snip > Did you recognise it is a CNC converted mill that I > wanted to move to EMC2? > Thanks again > Don
I still contend that encoder feedback on a stepper system has no proven advantage, unless you have a very special stepper driver that drives the stepper as a high pole count brushless DC servo with a very high count encoder on the motor shaft. Encoders would only be useful for a stepper machine with hand wheels, while being used as a manual machine with a DRO. EMC2 can be configured to do it, but I consider it an academic endeavor, since a plain stepper system would work just as well as is, or a standard servo would work just as well, only faster. I may be wrong, but this is my current understanding. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
