Gentlemen, assessment please Fanuc AC servo amp w/+-10 V velocity input - encoder feedback from motor Fanuc AC servo motor PPMC EMC2 2.5.0-pre Touchy GUI
http://www.mpm1.com:8080/machines/enshu.ini the following are the variations from the .ini file and the resultant screenshots FF1 0 FF2 0 http://www.mpm1.com:8080/machines/Screentshot1.png FF1 0 FF2 0 Pgain 50 http://www.mpm1.com:8080/machines/Screentshot2.png FF1 .5 FF2 0 Pgain 50 http://www.mpm1.com:8080/machines/Screentshot3.png Pgain 50 http://www.mpm1.com:8080/machines/Screentshot4.png in screenshots 1 2 and 3 notice the squared trace on the beginning of the accel and decel I get this on all axes including the spindle and am unable to tune it away I have tried many different combinations of tuning values the best trace is the spindle with a max accel of 2 - this allowed a much higher Pgain and stiffened the spindle considerably the spindle has very little inertia as it drives only the gearbox and spindle I see the squared traces on the spindle the ending traces work smooth until I start getting the tuning a lot tighter then the traces tend to even out on all axes do you believe this is a result of the marriage between the fanuc hardware, ppmc and emc2? motion of the axes feels, looks and cuts smooth and accurate - the following error spikes are the focus suggestions, comments thanks Stuart -- dos centavos ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today. http://p.sf.net/sfu/beautyoftheweb _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
