The one big advantage is stall recovery. You can just turn the machine back on after the crash and emc still knows where you are. (no re-homing needed).
sam On 8/18/2010 10:38 AM, Kirk Wallace wrote: > 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. ------------------------------------------------------------------------------ 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
