Re: What cnc setup to buy for my sherline mill?

I'm all ears on how to do this on the cheap, but I have no experience
on what I need. I am looking for the most user friendly setup.

--- In CAD_CAM_EDM_DRO@y..., Tony Jeffree <tony@j...> wrote:
> At 21:11 11/10/2002 +0000, you wrote:
> >Darrin, if youre willing to spend the kind of money
> >that those systems you mentioned cost, then why not
> >buy this one
> >http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1774801450
> > off of ebay.com for $599.00. it comes with
> >everything you need to get you going, besides the
> >motor mounts and those can be bought form sherline
> >relitively cheap.NOTE, this auction closes in 4 hours.
> >There is another setup thats a unilopar system on Ebay
> >for 200.00 dollars, that also ends in 4 hours, but i
> >wouldnt recommend a unipolar system anyway.the one i
> >first mentioned is a chopper typre system. thats what
> >i suggest.
> >besides with the money you save on the system at Ebay,
> >you can buy some nice ballscrews down the road if you
> >want any real accuracy why dont you just buy some
> >ballscrews to put on that puppy too.
>
> Bear in mind that the Sherline mounts will be NEMA 23 size; the
motors on
> offer above are NEMA 34 (3.4" body diam vs 2.3" diam) and, judging
by their
> rating of only 160 oz-i, are pretty wimpy for motors of that format
(top of
> the range NEMA 23 motors will get you ~220 oz-in, or ~1000 oz-in
for NEMA
> 34 motors).
>
> For $600 you can do a lot better than this.
>
>
> Regards,
> Tony