Re: Affordable ball screws

Hi Paul,

I use Isel ballscrews, they are pretty cheap but aren't super high
quality. They come in two sizes 16 en 25 mm. They have some published
prices in the "Iselshop". For more info check www.isel.com.

Hugo

--- In CAD_CAM_EDM_DRO@y..., "kaynrc" <tom.kay@n...> wrote:
> Hi Paul
>
> It depends on what you feel is affordable, of course, and how much
> accuracy you want. When I get around to cnc'ing my future mill,
I'll
> want as much accuracy as I can get per unit dollar. So I have done
> some searching.
>
> The ballscrews are typically .003" lead error per foot, for a
rolled
> screw. To get better than that, usually, you have to have them
> ground, which explodes the cost. But, in searching, I have found a
> few companies that offer better lead error. My fave so far, is
> Thomson-Saginaw which can offer .001" per foot in a non-ground
> (rolled) screw. Their .625 dia screw is about $60 for a 30 inch
> piece, plus another $40 for a search for a piece that truly
is .001"
> per foot. This all according to Thaniel, who is their application
> engineer. Call 1 989 776 4123 or 1800 554 8466.
>
> The ball nuts are not cheap. For a preloaded (non-backlash) nut, it
> is $135 per nut. Again, once you've done the hard work and
spending,
> it might make sense to buy good screws and nuts. Otherwise, check
out
> MSC and Rockford to get less accurate, but cheaper items.
>
> Happy cutting. Tom.
>
>
> --- In CAD_CAM_EDM_DRO@y..., "Bailey, Paul R" <paul.r.bailey@d...>
> wrote:
> > Hi -
> >
> > New to the list, considering an ENCO machine conversion similar
to
> Jeff
> > Davis'...
> >
> > Any leads (no pun intended) on affordable ball screw components/
> > conversion kits?
> >
> > Thanks
> >
> > Paul Bailey
> >
> >
> >
> > [Non-text portions of this message have been removed]