Re: reloaded ball screws for cheap?

check out: http://www.wedin.com/ and www.ballscrews.com
fred
-----Original Message-----
From: Roger Brower <rbrower@...>
To: Rick Lashley <rlashley@...>; CAD_CAM_EDM_DRO@onelist.com
<CAD_CAM_EDM_DRO@onelist.com>; Christopher James Whiteside
<ChrisWhiteside@...>; Doug Yeager <dkyeager@...>
Date: Friday, July 23, 1999 11:32 AM
Subject: [CAD_CAM_EDM_DRO] reloaded ball screws for cheap?

>From: Roger Brower <rbrower@...>
>
>Please let me know if you have any sources...
>
>I would love go with ground if I can get them, but they will be rolled
>if I have to order from mcmaster carr, or I could even put up with lead
>screws with strong antibacklash nut arrangements. Any input?
>I need two (or three) screws in the 55 to 72" range, 1/2"dia and up. And
>the nuts and end bearings as required. Probably best with a .2 lead,
>although I could use steeper. I'm thinking I might try to make some
>mechanism that spins the nut between thrust bearings, rather than the
>screw, which would whip at high speeds
>and has to have more rotational inertia in the larger sizes...
>
>I also need to find 2pc of 18" Lintech Twinrail, and 4 more mounting
>blocks for 3/4" open linear shaft bearings. And some 60"+ box section
>aluminum extrusion. The 80/20 seems prohibitive, too flashy for a
>homebrew router made with welded steel and an MDF table...
>
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