Re: Drives (boards) needed for small steppers, suggestions?

Hi Donald,
I have some L297/L298 drives available on my site. Also information on
home made router tables. Go to: http://plaza.powersurfr.com/deanc

Dean


--- In CAD_CAM_EDM_DRO@y..., "Donald Brock" <don.pat.brock@p...>
wrote:

> Hello all,
>
> I just picked up on 4 astrosyn unipolar (6 wire) steppers real cheap
> ($4.40 each including shipping on an e-bay auction). They are in the
> 70-80 oz.in. range, 5V 1A and I want to use them to base a small
> gantry style engraver on. I'm not out to do any milling with these,
> just engraving.
>
> Although they are unipolar I want to preferably drive them in

bipolar

> mode. I'm now looking for some drives to match up with the motors.
> The cheaper I can get them the better.
>
> This is just a little side line project I'm doing on the side from

my

> g320/servo system. I've already got a fistfull of 1/2-10 ACME ss
> screw stock and I've figured out a way to make anti-backlash nuts
> from bearing bronze for this cheap engraver. The slides will be home
> built.
>
> Any suggestions as to where I can pick up some low cost drives would
> be most appreciated.
>
> Thanks,
>
> Donald Brock