On Mon, Oct 15, 2007 at 05:24:01PM +0200, Svenne Larsson wrote: > Guys, > > Out of curiosity, can an EMC lathe make threads without spindle feedback? > On cnczone.com a guy posted pictures on a thread made with Mach without > spindle feedback, only a VFD as speed controller. They looked truly good. > > I know there are problems with it (torque figures, exact positioning, RPM > loss etc), but is it possible with EMC?
Well you could command S300, trust your spindle to run that speed, and cut a thread with G1. Alternately, there are all sorts of tricks you could do in HAL to synthesize the spindle position signal that the motion controller requires to cut threads. I don't recommend any of them. (I really hope this doesn't trigger another thread [haha] about Mach) Chris ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
