Re: [CAD_CAM_EDM_DRO] Tuning steppers

Where is this setting? I just hacked together a proto type interface for my
BOSS 6 and the best I have been able to get is 18 ipm. Looking at the
signals with a scope shows ragged pulses.
What settings affect the pulse train and where are they?
Darrell

----- Original Message -----
From: Tim Goldstein <timg@...>
To: <CAD_CAM_EDM_DRO@onelist.com>
Sent: Monday, March 13, 2000 7:02 AM
Subject: RE: [CAD_CAM_EDM_DRO] Tuning steppers


> From: "Tim Goldstein" <timg@...>
>
> 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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> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems in the above catagories.
> To Unsubscribe, read archives, change to or from digest.
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