Re: rolled ball screws

torsten98001 wrote:

> A adjustable fitting between the two nuts needs to be
> designed to clock the rotation of the two nuts so they
> are prevented to rotate towards each other.
> This needs to be adjusted to still allow for the 0.5 inch of
> pitch varyiation introduced by the screw to prevent
> binding up.
> At the same time the second Nut would still have to be allowed
> to float in the axial direction in order to allow a
> spring of preload rating force to ensure a continual force
> to be aplied withing the range of the screw.
>
> How could this mechanism be designed?
> Seams like a real challange to me, what I have looked at
> so far either dose the rotational clocking or the
> spring action design, have not seen both yet?
> Anybody have a design that works?

Take a look at the Rockford manual
http://www.rockfordballscrew.com/images/pdfs/manual.pdf there is also a
website at http://www.mmanrow.20m.com/anti_backlash_nuts.htm explaining the
concept in detail.

Regards,
Deon Styger.


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