Fair enough. Can you list some recomended resolvers? All the ones I am familiar with are wicked expensive.
EBo -- On Sep 9 2015 3:30 AM, andy pugh wrote: > On 9 September 2015 at 04:13, Jon Elson <[email protected]> > wrote: >> Ohhh, that sounds like trouble brewing! I can think of a >> high speed spindle running for 8 hours at 20K RPM with a >> 1000 count/rev encoder, that gives 9.6 billion counts. >> Then, a tool change that needs a spindle orient. Hmm, >> maybe a little electrical noise that causes it to pick up a >> few extra counts per minute, too. And then it is >> mispositioned for the change. > > The obvious answer is for you all to follow my lead and use resolvers > for your spindle encoders, then there is no danger of accumulated > miss-counts. > > The proposed M19.1 explicit home command could be used if there was a > real danger. > > Thinking further about accuracy, I believe that the position is > calculated from a 64-bit accumulator of encoder edges, I think that > my > previous calculation might have been pessimistic. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > > ------------------------------------------------------------------------------ > Monitor Your Dynamic Infrastructure at Any Scale With Datadog! > Get real-time metrics from all of your servers, apps and tools > in one place. > SourceForge users - Click here to start your Free Trial of Datadog > now! > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
