On Mon, 30 Jan 2012, Viesturs L?cis wrote: > Date: Mon, 30 Jan 2012 12:18:51 +0200 > From: "[UTF-8] Viesturs L?cis" <viesturs.la...@gmail.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: [Emc-users] US Digital encoders? > > Hello! > > The conclusion of my struggle with tuning servo motors is that I shall > change encoders. I based it on Jon's findings, when testing AMT 102 > encoders and I also got a feedback from a local guy, who also had used > them on a cnc machine. > Sorry, Peter, I could not figure out, how to precisely stop machine at > the same spot to check for lost/gained encoder counts. With 3277 > pulses per 1 mm I do not see a way to detect any deviance of less than > thousand pulses.
Here's one way: Mark the shaft and the stator with a pencil/scribe at DRO reading of 0. Move around a lot or until you have the stall problem, turn off motor power and hand crank back to DRO 0 and check pencil mark alignment. This should get you to within a few 10s of counts > > I would like to ask, if anyone could provide some recommendations for > US Digital encoders - I chose them, because they seem to be next in > the line in terms of affordability. > > I was particularly looking at E7P. > > I have Keling KL23BLS_115 Nema 23 servo motors: > http://kelinginc.net/KL23BLS_115.pdf > > Viesturs > > ------------------------------------------------------------------------------ > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
