Re: [CAD_CAM_EDM_DRO] Low cost 6A stepper drivers on eBay

----- Original Message -----
From: "arielnh56" <3in1@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, December 01, 2004 1:06 PM
Subject: [CAD_CAM_EDM_DRO] Low cost 6A stepper drivers on eBay


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> There are two vendors selling basic 6A stepper drivers on eBay.
>
> One has a website http://www.electronicutopia.com and is selling
> them for under $25. Seems to be a basic full step driver with no
> isolation or heatsink.
>
> The other is user "esreng". His boards are about $47 but do half step
> and have a heatsink.
>
> I am looking for drivers to drive ~200oz/in steppers for my Shoptask
> 3-in-1. The Shoptask has a 2:1 ratio on the stepper drive and a 10
> tpi lead screw so one full step would be 0.00025", which is more than
> the accuracy of my Acme lead screws, I think, so I don't think I need
> half step or microstep drivers.
>
> If anyone has any experience with these drivers or vendors or any
> other advice on these it would be most welcome. I am on a small
> budget so these are very tempting.
>
> thanks
>
> Alastair
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