Re: [CAD_CAM_EDM_DRO] re:Ways, guides etc.

Dear Ballendo,

Thanks for the help. Very helpful. What is moglice? Is that what is to be
cast? I was looking at the Bridgeport Boss machine, and it uses the boxy
ways, and they are chrome plated. Hmmm.

Tom Eldredge, Trustee

----- Original Message -----
From: <ballendo@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, January 29, 2001 7:15 PM
Subject: [CAD_CAM_EDM_DRO] re:Ways, guides etc.


> Tom,
>
> What you appear to be asking for is called a dovetail slide. There
> are people (mfr's) who make dovetail slides commercially in varying
> degrees of accuracy and sizes. Sherline's industrial division is one.
> Velmex???(from memory) is another. Try a web search on dovetail
> slides. Use slides rather than slide so your search skips machine
> descriptions...
>
> As far as a machined "bar" with a dovetail angle, your best bet may
> be a local machine shop.
>
> Bishop-Wisecarver (and their european line HEPCO) are "sort of" like
> what you describe. But this is barstock (hepco) or rails (B-W) with
> TWO ground faces upon which ride specialised v-groove bearing wheels
> to provide the motion. They have been used/ and are being used
> suceesfully in many CNC apps. You can see them on the tool changer
> slide of many VMCs.
>
> Lastly, keep in mind that many of the most expensive machines use
> flat, or "box" ways. These require more fitting to be accurate, but
> involve only 90 degree angles. A solution with flat ground tool steel
> and moglice may work well for you. (or without the moglice, it would
> allow you to only need to get one half right, and the other part will
> be cast to fit)
>
> Hope this helps.
>
> Ballendo
>
> >I want to build a mechanism similar to an xy table, and need to get
> >some rails (barstock with one side angled) to make some ways,
> >similar to what is found on the cross slide of a lathe, or an Xy
> >table. Can anyone tell me where I could purchase the metal so that
> >I could simply bolt the rails to a flat piece of steel, insert a
> >brass shim for adjusting width etc...
> <snip>
> >Tom
>
>
>
>
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