Re: [CAD_CAM_EDM_DRO] Re: Ballscrew question

This is probably nuts but I would like to try it. Suppose you butted one end
of a ball nut against a shoulder and squeezed it lengthwise by clamping in
some fashion could you change the lead enough to take out a couple thou. of
backlash? Don't everyone email me that I am Dumb I already know that.
Doug
y

----- Original Message -----
From: "yodawill2000" <chue2k@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, February 25, 2004 3:12 PM
Subject: [CAD_CAM_EDM_DRO] Re: Ballscrew question


> C.S ..
> Do they have a website ??
> Or a # ??
> Thanks for the info ...
> if they are considerably less I'll go with the double nut setup .
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "C.S. Mo" <cs@v...> wrote:
> > Rockford Ballscrew offers 5/8" rolled ballscrews for significantly
> less.
> > And, they will machine the ends for $60/end or anneal the ends for
> $10/end.
> >
> > I initially went with a single nut with oversized ball bearings on
> my
> > quill assembly but found that I got 0.0015-0.002" backlash. Going
> to a
> > dual nut pre-loaded assembly reduced that to about 0.0002-5".
> >
> > --C.S.
> >
> > >Just to clarify Ray ..
> > >Thats with the single nut assy ??
> > >The Thompson rig is exactly what I was looking at ..
> > >Decent pricing over at homeshopcnc ..
> > >I'll just need to figure out how to turn the ends down ..
> > >My lathe has only a 1/2" through hole ... Dooh !! :)
> > >Thanks
> > >>
> > >> I get about 0.002 lash with the 5/8 thompson rolled screws.
> > >>
> > >> Ray
>
>
>
>
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