On Tue, 27 Jul 2021 at 12:41, Gene Heskett <[email protected]> wrote:
> > The only way to make the spindle feel "stiff" in your test would be to > > close the position loop with the encoder, but then how do you drive it > > as a spindle with a speed command? > > With a honking big power supply, and a high resolution encoder. > I have 2 machines with 1hp rated motors, both claiming to be 90 volt You seem to have misunderstood my point. Is your spindle stiff against "wiggling" when running at low speed under no load? My guess would be that it is not. And I also doubt that you are running it in closed-loop position control, as a spindle. -- 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
