Re: [CAD_CAM_EDM_DRO] UHMW slides

George,

If you are going to build a small CNC router, I would suggest finding some
THK rails on ebay.

I have a lot of information on my web page that may help in your design.
www.campbelldesigns.com .

Bob Campbell

----- Original Message -----
From: "george_barr" <george_barr@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, May 07, 2003 10:56 PM
Subject: [CAD_CAM_EDM_DRO] UHMW slides


> I have a question. I am building a CNC (hobby) and need it as
> accurate as
> possible. I am using aluminum extrusion from www.8020.net. They
> have these
> linear bearings which uses UHMW instead of ball bearings for slides.
> These
> slides uses slippery plastic like pads, instead of ball bearings, to
> glide
> along the aluminum extrusion. Does anyone have any experience using
> these
> types of slides? They said a shim can be purchased to provide a more
> exact
> fit with the slide and the extrusion beam.
>
> I don't want to waste my money if these slides are not worth it. I
> plan to
> do PCB (circuit board) work with my cnc so it needs very good
> accuracy.
>
> Any advice or suggestions are appreciated.
>
> Thanks,
>
>
>
>
>
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