Re: [CAD_CAM_EDM_DRO] home brew ball screw bearing ?

What I will do is upload the drawing to the files section when I get off
work here.

It's not that detailed a drawing, but it might give some
insight into what is in those $300 units from Thomson
and others. I have made many of them from this plan.

Les

----- Original Message -----
From: James Owens <wotisname@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, February 26, 2003 10:54 AM
Subject: Re: [CAD_CAM_EDM_DRO] home brew ball screw bearing ?


> Hi Les,
>
> Could you send me a copy as well? I will soon be converting my milling
> machine to ballscrews and was pondering what to do about bearings.
>
> I have ACAD2000.
>
> Regards,
>
> Terry
>
>
>
> > Dave,
> >
> > Do you have Autocad or something that can read
> > .dwg or .dxf?
> >
> > If so I have a design for a preloaded end bearing
> > That I use. It is basically a clone of the units sold
> > by Thomson and others.
> >
> > It uses DB configured angular contact bearing pairs
> > that can be mounted adjacent for simple support
> > or with inner and outer spacers for fixed support.
> >
> > These can be made for 30 or 40 dollars (less with
> > surplus bearings) but machining to +/- 0.0001" or
> > so is required.
> >
> > Les
>