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

microstepping has NOTHING to do with accuracy. It is a way of eliminating
low speed stepper resonance issues, and for me there is NO SUBSTITUTE for a
microstepping drive.

Daniel J. Statman, Statman Designs
www.statmandesigns.com
dan.statman@...

----- 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


>
>
> 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
>
>
>
>
>
>
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>