One G is impressive what ever the technology that drives it. :-) Dave On Apr 19, 2008, at 5:29 AM, John Thornton wrote:
> I've run my stepper based plasma at 400 IPS acceleration and 500 > IPM rapids. It's > very impressive as well for a Nema 23 stepper system... > > John > > On 18 Apr 2008 at 22:08, Dave Engvall wrote: > >> Hi Jon, >> >> On the other end of the scale I once set up a test bed with a MT30H4 >> SEM servo motor being driven by a 1525BR servo amp at 165 V (pretty >> hot) using the ppmc board set. The SEM had a 2.5" dia by 2.5" piece >> of bar stock as a flywheel. Accel was set at 400 in/sec/sec (slightly >> above 1 G). I tried 1 KHz, 2 KHz and 2.5 KHz and maybe even faster, >> don't remember for sure. You should have heard that setup when I >> went >> from +400 ipm to -400 ipm. Impressive is the only word. It would be >> fun to do that under EMC2 with halscope and see what it really >> looked >> like. Once you get a good control signal you can drive almost >> anything with big enough amps and servo motors. >> >> Dave >> On Apr 18, 2008, at 7:57 PM, Jon Elson wrote: >> >>> Stuart Stevenson wrote: >>>> Gentlemen, >>>> Here is a video of my cinci. Notice the dual arm tool changer. >>>> It >>>> is very generic and can do many things. :) :) that's me. >>>> >>>> http://www.youtube.com/watch?v=mxxdq6y8z8M >>> Wow, that is pretty cool! I'm usually not intimidated by big >>> stuff, but there's a place near the end where the ram holding >>> the head moves outward toward you, and that made me lean back in my >>> chair! >>> >>> So, that is using my PPMC board set? >>> >>> Jon >>> >>> -------------------------------------------------------------------- >>> -- --- This SF.net email is sponsored by the 2008 JavaOne(SM) >>> Conference Don't miss this year's exciting event. There's still time >>> to save $100. Use priority code J8TL2D2. >>> http://ad.doubleclick.net/clk;198757673;13503038;p?http:// >>> java.sun.com/javaone _______________________________________________ >>> Emc-users mailing list Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> --------------------------------------------------------------------- >> - >> --- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference >> Don't miss this year's exciting event. There's still time to save >> $100. Use priority code J8TL2D2. >> http://ad.doubleclick.net/clk;198757673;13503038;p?http:// >> java.sun.com >> /javaone _______________________________________________ Emc-users >> mailing list Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > > > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save > $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http:// > java.sun.com/javaone > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
