Re: Power supplies

Thanks for the speedy replies. I haven't checked the Gecko site out
yet, but will do so when I have time a bit later.

Could you please tell me roughly what kind of current I should be
aiming for with a power supply? Is something like 14A too much?

Warren



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Dan Mauch" <dmauch@s...>
wrote:

> The xylotex unipolar board is designed to run at a max of 44VDC

but

> recommends the voltage be held to 34 +/-VDC for various reasons.

And yes you

> can run a stepper motor at 10 to 25 time it rated unipolar voltage

if you

> use a chopper driver.
> Dan
> ----- Original Message -----
> From: "turbulatordude" <dave_mucha@y...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Monday, February 21, 2005 9:38 AM
> Subject: [CAD_CAM_EDM_DRO] Re: Power supplies
>
>
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "braidmeister"
> > <braidmeister@y...> wrote:
> >>
> >> Warren,
> >> Go to www.geckodrive.com and read the stepper motor white
> > paper...and
> >> other documents about power supplies etc. It will answer many of
> > your
> >> questions....Depending on what you want to do with your setup,

I'd

> >> say that you could use a 75v PS with those motors (but this

depends

> >> on the max voltage that the Xylotex will handle....I forget what
> > that
> >> is) You might be limited to something like 48v...which would be
> > fine.
> >> Read the info on gecko's site.
> >>
> >> -Brady
> >
> > As a general rule, steppers can be run up to about 25 times

nameplate

> > voltage WHEN USED with a chopper driver like the Gecko or

Xylotex.

> >
> > Xylotex is rated for a power supply of about 28 volts max, with

24

> > volts normal.
> >
> > You can buy a switching power supply, 24 volts and a few amps to
> > handle those motors.
> >
> > Building one may be more expensive as the capacitors will need

to be

> > pretty big.
> >
> > Dave
> >
> >
> >
> >
> >
> >
> >
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