On Sun, Jul 12, 2020 at 1:50 PM Sam Sokolik <samco...@gmail.com> wrote:
> Currently - there is no way to adjust it. I do run the acceleration and > velocity as high as I can. (on the emco it is in above 50in/s^2) I do > have some math that calculates the following error of the shape (actual > shape vs axis position) and decide how fast to run the spindle to get the > tolerance I want. There should be some sort of trajectory planning - but > that might be above my pay grade > > (mostly academic for me - just wanted to see how well it works...) > > sam > > On Sun, Jul 12, 2020 at 1:32 PM Leonardo Marsaglia <ldmarsag...@gmail.com> > wrote: > >> Excellent job Sam. >> >> One question to the list in general. How are you managing the >> atenuation and phase displacement you get when you increase spindle rpm >> using eoffsets? Other than increasing the speed and accel of the axis I >> mean. >> >> I could cut cams with some success but I really can't follow the shape and >> the phase with the same success and that's why I'm building a live tooling >> jig to cut at really low spindle RPM to avoid this effect as much as >> possible. My particular problem is worse because all the machining of the >> cams has to be aligned with a keyway in the camshafts. >> >> El dom., 12 jul. 2020 a las 5:12, John Dammeyer (<jo...@autoartisans.com >> >) >> escribió: >> >> > So question. >> > 1. would you post the G-Code that made that? >> > 2. I take it virtually 0 backlash on the cross slide? >> > 3. I was also impressed with how well the parting off went. Mine tends >> to >> > dig in. >> > John >> > >> > >> > > -----Original Message----- >> > > From: Sam Sokolik [mailto:samco...@gmail.com] >> > > Sent: July-11-20 7:39 PM >> > > To: Enhanced Machine Controller (EMC) >> > > Subject: [Emc-users] Because the hardware store was 4 miles away... >> > > >> > > Right? Am I right? >> > > >> > > https://youtu.be/wv7mMS5xKks >> > > >> > > _______________________________________________ >> > > Emc-users mailing list >> > > Emc-users@lists.sourceforge.net >> > > https://lists.sourceforge.net/lists/listinfo/emc-users >> > >> > >> > >> > _______________________________________________ >> > Emc-users mailing list >> > Emc-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/emc-users >> > >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
