Re: [CAD_CAM_EDM_DRO] Ballscrew balls ?

Most of the precision ballscrews that are used in my industry have preloaded
nuts and they have a slight variation in the size of the balls. Most of the
screws that I use have less than .0001 backlash

harko

On 4/6/06, figNoggle <david@...> wrote:
>
>
>
> hi harko-
>
> i measured the balls in the thomson/danaher non-preloaded nut (just happen
> to be reballing them) and they're all 0.1245". i ordered a bag of both
> 1/8" (which are indeed 0.1250" and do flow through the race) and 3.5mm.
>
> the 3.5mm's don't fit through the race (found out the hard way but had to
> try it).
>
> interesting, what kind of ballnuts have different sized balls and why?
>
>
>
>
> CNC Plans <http://www.fignoggle.com/plans/cncplans.htm> (DRO too)
> HF 8x12 Lathe, Mini-Mill, How-To's and More <http://www.fignoggle.com>
> NEW! Sieg X3 and Super X3 Mill Information <http://www.superx3.com>
>
>
> On Thu, 6 Apr 2006, Harko Schwartz wrote:
>
> > First of all ball screw balls are not of the same size in the
> ballnut. If
> > they were it wouldn't work. The balls are not the only problem the nut
> and
> > screw are also worn. If the hardness hasn't been removed from the screw
> > then it is a matter of resizing the balls. I think that every other ball
> is
> > slightly undersized.
> >
> > Harko
> >
> >
> > On 4/6/06, turbulatordude <dave_mucha@...> wrote:
> > >
> > > Hi all,
> > >
> > > Are ball screw balls sold individually ?
> > >
> > > I want to replace the balls in one I have and am wondering what to
> get.
> > >
> > > Any suggestions ?
> > >
> > > Dave
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
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> > http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
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> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
> if you have trouble.
> http://www.metalworking.com/news_servers.html
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> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
> sister site to the CCED group, as many of the same members are there, for OT
> subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING
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