Re: [CAD_CAM_EDM_DRO] ball screw repair questions...

Hi, look around where you live and see if there is a bearing mfg. nearby. if
they make and polish their own balls, then it might be possible to get some
oversize to fit your screw. cul brian f.

----- Original Message -----
From: <dougrasmussen@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, October 08, 2001 10:07 PM
Subject: [CAD_CAM_EDM_DRO] ball screw repair questions...


> Group,
>
> I have a non-precison ball screw/nut assembly in need of repair.
> It's in a press and is subject to heavy loading. Over the years it's
> had quite a bit of use.
>
> I removed the balls and miked them at around .151" +/-, some bigger,
> some smaller (wear, I assume). Probably they were originally .156"
> (5/32"). I installed new 5/32" balls purchased from my local bearing
> supply house. The screw is still looser in the nut than I'd like.
>
> Next step is to go with slightly larger balls to take up some of the
> slop in the assembly. That's where my questions start. Who's a
> source of slightly oversize balls? And, what's the best procedure to
> determine how much oversize without buying a bunch of different sizes
> and trial and error?
>
> thanks,
>
> Doug
>
>
>
>
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