RE: [CAD_CAM_EDM_DRO] Tuning steppers

I am running on an AMD K6 500 with a period of 10. I was on a K6 350 and
about the best period I could get was 15.

Tim
[Denver, CO]

> -----Original Message-----
> From: Joel Jacobs [mailto:jj@...]
> Sent: Monday, March 13, 2000 12:25 AM
> To: CAD_CAM_EDM_DRO@onelist.com
> Subject: Re: [CAD_CAM_EDM_DRO] Tuning steppers
>
>
> From: "Joel Jacobs" <jj@...>
>
> > From: "Tim Goldstein" <timg@...>
> >
> > First thing to do is upgrade to the most current release and
> then switch
> to
> > using freqmot instead of stepmot. You will find this to be a tremendous
> > improvement.
>
> Really? Man I wish I could get freqmot to work here. I can not get the
> motor to run smoothly at all. With the eval CNCpro I could get
> 30 ipm easy,
> with emc and freqmot I can barely get 15 ipm - and the motor
> 'growls' - and
> the drivers get quite a bit warmer - due to the not-smooth pulse
> train. Now
> I do only have a pentium 100, and I had to set the 'PERIOD' variable in
> freqmot from 20 to 100 just to get the GUI working and that may be the
> problem but how much computer does it take to run a stepper motor? I see
> there are instructions on linuxcnc.org for installing emc on a 486! How
> could that possibly work?
> So you guys running emc and freqmot - what speed computers are
> you running
> it on? What value 'PERIOD' do you use? I'd like to know what
> it's going to
> take to make this thing work?
>
> Joel
>
>
>
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