Re: [CAD_CAM_EDM_DRO] making ball nuts

I am a journeyman machinist and the economy 1" ball screw nuts that sell
for $42 for the nut and $31 for the flange are much better than anything
I can make in a day.

What's your time worth?

Terry

jmw@... wrote:

>
> These things are so !@#$%^! expensive; has anyone ever made their
> own. Isn't just a matter of cutting an internal thread with a half-
> round form tool, e.g. a round carbide insert or hardened piece of
> drill rod?
>
> I don't yet fully understand all the details of ball recirculation,
> but it looks like drilling some holes and silver soldering some
> tubes. Preloading means making two of 'em and sourcing a spring,
> right.
>
> So, group, what obvious factor am I missing?
>
> Thanks in advance.
>
> --Jack W.