Re: Measuring backlash more accurately?

Hi Randy, I just have gotten Ballscrews for my machine
and I orderd 2 nut for each.
I am planning on designing a little device I will put in between
the Nuts that will allow me to adjust out any backlash and
also uses preload for any remaining pitch error.
The same as a traditional preload nut assembly that can be
ordered from the factory.
I am designing my own to save some $$$ the bought ones cost ~$400.-
each.
And besides this is the reason I got the machine for in the
first place.:-)
Could you do this too to solve your problem?
There are other ways to skin the cat so, some people just
refit there Nuts with oversized balls to take up most of the
Backlash.
I assume this would probably be the cheapest methode even so
it may be hard to find a source for oversized balls.


--- In CAD_CAM_EDM_DRO@yahoogroups.com, Randy Gordon-Gilmore
<zephyrus@r...> wrote:

> At 02:16 AM 2/17/03 -0000, torsten98001 <torsten@g...> wrote:
>
> >You will have to make the jugement call when it is time to replace
> >components for a more reliable operation here.
>
> Thanks for the reply, Torsten. This is a not-much-used ballscrew

machine

> which I got as surplus. But I do appreciate your concern for

possible

> wear. I did not think the machine had any backlash until I put the
> indicator on it--I could feel no looseness by hand. Thank goodness

for

> measuring instruments! :-)
>
> Best regards,
>
> Randy
>
> Randy Gordon-Gilmore ,----.___________ ______________

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