I would thin a 1HP drive should be able to plow through and thread a 3.8" hole without much grief, especially in low gear.
I have not set up my system for low range yet. Allot to think about on that. Still working on the basic system & bugs. I was just thrilled to get the speed indicator and "at speed" signals working correctly! Ray --J. Ray Mitchell Jr. jrmitche...@gmail.com (818)324-7573 The dogmas of the quiet past, are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew. We must disenthrall ourselves, and then we shall save our country.*Abraham Lincoln <http://www.quotationspage.com/quotes/Abraham_Lincoln/>*, *Annual message to Congress, December 1, 1862* *16th president of US (1809 - 1865)* On Tue, Oct 24, 2017 at 5:47 AM, John Kasunich <jmkasun...@fastmail.fm> wrote: > > > On Tue, Oct 24, 2017, at 08:14 AM, andy pugh wrote: > > On 24 October 2017 at 12:10, Gene Heskett <ghesk...@shentel.net> wrote: > > > > > Correct, except encoder.nn.velocity is fed thru a last 4 edges averager > > > to remove some of the noise in the encoders output. That unforch also > > > affects the spindle to Z phaseing in the G33.1 backout. > > > > You might want to filter the velociity, but I see no point in > > filtering the position, which is what G33.1 uses > > > > You could also try using the DPLL timer to take jitter out of your > > encoder sampling. That's a pretty simple setting with the right > > firmware (one that ends in "D" for DPLL) > > I'm pretty sure Gene's "4 edge average" is dealing with mechanical > errors in his homebrew spindle encoder rather then sampling jitter. > The 4 edges mean that it averages over a full quadrature cycle and > thus deviations from proper 90 degree quadrature phasing are > masked. > > John Kasunich > jmkasun...@fastmail.fm > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
