Re: Rong Fu 31 CNC Conversion Kit / Instructions / Help? :D

Here is the part numbers and prices. I bought this stuff in Aug 2002
so the prices are probably a bit more.


1 ea 0631-0200 RH 48" (SRT9987) $46.64
3 ea SBN0827 $29.68

Looks like the 72" ballscrew is SRT9987 I do not have the price.
You might have to call Nook to check on current prices.

I also checke McMaster Carr. They have rolled 5/8" ballscrews and
nuts. The price for the 72" ballscrew was $90.00 but the nuts were
$23.00.
As I said though Nook matched those prices on the nuts.

How accurte are they? They are very accurate. I cut a lot of
aluminum on that mill and it repeats very well. You will be very
pleased with what it will do.
I can send you pictures of some of the things I have made on it if
you would like.

Gary








--- In CAD_CAM_EDM_DRO@yahoogroups.com, Darren Lucke
<oneluckeboy@y...> wrote:

>
> That sure doesn't sound like much... would you have
> part #'s handy? Did you get the rolled standard
> (.004"/ft) or the precision rolled (.001"/ft) and how
> accurate do you think it was? I'm thinking like you
> just said.... once you use it, you won't go back.
> D. Lucke
>
> --- cncgramps <cncgramps@y...> wrote:
>
> >
> > I just looked it up and I paid $48.00 for a 48"
> > ballscrew and it
> > was $23.00 for each ballnut. They were a bit higher
> > than Saginaw
> > Thomson and they matched their price.
> > I bought from Nook because they had a left hand
> > ball screw. I
> > thought at the time I wanted to be able to use the
> > mill as a manual
> > mill and your Y axis on a manual mill needs to be
> > left hand if you
> > want it to work like any hand cranked milling
> > machine made.
> > I found out after a few minutes of running it as a
> > CNC I had no
> > desire to use it with hand wheels.
> > So I would say buy all right hand ballscrews and
> > nuts. Then you
> > would need the 6 foot section I think. That was not
> > that much more.
> >
> > Gary
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Owen"
> > <owenis@t...> wrote:
> > >
> > > WOW Gary that's a great price.
> > >
> > > Did you buy the ground screw or the rolled? how
> > much were the ball
> > nuts? I
> > > paid more than that just for one selective fit
> > ball nut, like 400
> > bucks for
> > > the ground ball screw and nut.
> > > Where did you buy them from?
> > > Owen
> > > ----- Original Message -----
> > > From: "cncgramps" <cncgramps@y...>
> > >
> > > > I think I paid about $60.00 from Nook for enough
> > 5/8 ballscrew to
> > > > do all 3 axis.
> > > >
> > > > Gary
> > >
> >
> >
> >
> >
> >
> >
> >
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