Andy, Just curious since we have the same harmonic drive and STMBL for the 4th axis what max velocity and acceleration are you using. John
> -----Original Message----- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: September 23, 2023 12:26 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Q about angular vel in dro > > On Sat, 23 Sept 2023 at 13:41, gene heskett <ghesk...@shentel.net> wrote: > > > MAX_VELOCITY = 360.000 > > MAX_ACCELERATION = 12000 > > v^2 = u^2 + 2as > > for 360 deg/sec and 12000 accel the overrun on stopping will be v^2 / > 2a = 5.4 degrees. > > Also it's possible that your PID is limiting the responsiveness, or > the actual velocity. > > Try it without the PID? > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > � George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > 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
