Re: Ball Screw Options

Thanks Marv. The artical talks about ball nuts. Can it be used on
my stock screw nuts or what? I had forgotten this was another
option. It is like the molgice (?) stuff right? How does this stuff
hold up compared to regular steel nuts?
Mark

--- In CAD_CAM_EDM_DRO@y..., Marv Frankel <dcdziner@p...> wrote:
> I can give you a little insight on making your own very low
backlash
> nuts, as passed to me by Les Watts. Try
> http://www.phillycast.com/products/inst-nut.pdf for further
information.
>
> Marv Frankel
> Los Angeles
>
> ----- Original Message -----
> From: "natchamp_87" <mark@h...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Thursday, November 14, 2002 8:38 PM
> Subject: [CAD_CAM_EDM_DRO] Ball Screw Options
>
>
> > Well, I've taken the plunge and purchased my mill for the CNC
> > retrofit. I bought an older Bridgeport with an M head. It has a
> > 9x32 work table and its perfect for me because I get the full 12"
Y
> > travel but the overall machine will fit in my garage much better
than
> > a full 9x42.
> >
> > Amoung other things, I'm trying to resolve is what I'm going to do
> > for the ballscrews. I would really like input on what my options
> > are. I've looked into the archives and am starting to get the
angle
> > of the dangle.
> >
> > 1) Is one option to install anti-backlash nuts on the existing
stock
> > screws? I've read about making/installing anti-backlass nuts but
> > can't figure out if that applys only to ballscrews.
> >
> > 2) If I were to install new ballscrews and nuts what specs should
I
> > look for? Is 5 tpi the standard? How about the diameter?
> >
> > 3) If I do #2 above am I right in that I have 2 options, either
buy a
> > bolt in kit or buy the ballscrews and fabricate how the nuts
attach
> > to the table?
> >
> > 4) What do I have to do/consider for attaching the ends to my
> > servo/stepper motors? Do I have to do any machining to them for
this?
> >
> > I came across Nook Industries www.nookind.com. Has anyone used
> > these? Are they the most cost effective ones? Is there such a
thing
> > as a cost effective bolt in? The only price I've seen is in
McMaster
> > Carr for @800 buckies. I sure wish I could do it for less. Any
help
> > greatly appreciated!
> >
> > Mark took the plunge
> >
> >
> >
> > Addresses:
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