Re: Belt drive

Ron,
Get thee to this web site and order their catalogs.
http://www.sdp-si.com/
Excellent design material. Cog timing belts and pulleys at 2:1 are the
usual setup for stepper table drive. They have everything you need.
Rich Dean

Ron Ginger wrote:

>
> From: Ron Ginger <ginger@...>
>
> I have ordered one of the new Grizzly mini-mills and plan to make a CNC
> machine out of it. I am viewing the mill as a 'part machined kit of
> castings' I expect to throw away just about everything except the
> castings, scrape them to a good fit and build up from there.
>
> I intend to use belt drive between the stepper motor and the leadscrews.
> Are there any tips on setting the correct pulley ratio?
>
> Anyone have a program that calculates belt length given pulley diameters
> and center distance?
>
> Where is the best place to order belts and pulleys?
>
> What is best to tension the belt- slotted screws for mounting or an
> idler pulley?
>
> Ive got some nema34 steppers of 250oz/in rating. Are these likely to do
> this small mill?
>
> thanks for the tips,
>
> ron
>
> > Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the discussion of shop built systems in the above catagories.
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> bill,
> List Manager

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light.
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.---Rich---Colorado Midland Railway---cmsteam@...--Atlanta.