more leadscrew protectors ( was Re: telescoping leadscrew protectors

Dave,

Two more thoughts:

A) It doesn't HAVE to be pretty; just functional (tho' most of us
would choose pretty if possible). Anyway, a "bag" type cover would
also work. This would be very simple to fabricate (pun intended).
Just be sure the part where the nut meets the screw is held away so
the bag doesn't get caught in the threads...

B) Making your own bellows using GLUE instead of stitching could go
pretty quickly. This could be fabric glue and "tarp" material
"washers". These could be easily made with a 2 "ring" punch turned
on a lathe; i.e., 2 concentric vees turned proud of the face of some
suitably sized stock). It could also be done with rubber and glue.
Or Maybe a couple of leather punches and some type of jig for
concentricity.

If you already HAVE a small CNC machine it could even be used to
apply the glue. big circle. small circle. big circle... (you're
adding a "washer" after each circle of adhesive)

Hope this helps,

Ballendo

P.S. I saw a webpage/site devoted to folding camera bellows (for a
view camera). The step by step details there would work for shorter
travels; and longer travels would just be multiple pieces fastened
together. I didn't save the url.

--- In CAD_CAM_EDM_DRO@y..., "dave_ace_me" <davemucha@j...> wrote:
> I agree, some parts of this business is just womens work. :" )
>
> I looked at using a self winding roll to be uded to keep the chips
> away but that was a flat top and would actually hold the small
chips
> until it would pass some sort of angle to let them fall.
>
> My chips are cold, so plastic or rubber would work but I did not
like
> the cost of the rubber bellows. I tried to find some from a TV
Dish
> style linear actuator, nice length, but they seem to range around
> $20.00 a foot for the stuff.
>
> I opted for what I had on hand and may still switch to an inverted
V
> for the simplicity and also access.
>
> Dave
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "Mike Snodgrass" <snarf@s...> wrote:
> >
> > ----- Original Message -----
> > From: "Sven Peter" <peteryco@r...>
> > To: <CAD_CAM_EDM_DRO@y...>
> > Sent: Friday, April 12, 2002 7:11 AM
> > Subject: Re: [CAD_CAM_EDM_DRO] telescoping leadscrew protectors
> >
> > I have, and I know you can get long " bellows" type protectors in
> many
> > sizes. They are used to protect hydraulic cylinder shafts, I
> think they
> > are expensive though it would be easy for a woman with a sewing
> machine and
> > some good apolstery material. You can get the new ones from a
> hydraulic
> > dealer.
> >
> >
> >
> >
> >
> > > Hello Doug,
> > > You can put tubing together but travel might pet reduced.
> > > Kabelschlepp and others sell cylindrical springs.
> > > "Steel, Hilton" <HSteel@k...>
> > > You might be able to make some out of very wide packing steel
> band like
> > > for
> > > transport boxes. But I tell you ITS NASTY. I had to do something
> > > simmilar for
> > > to substitute drill press springs. Therefor I prefer to buy the
> stuff.
> > > Good luck
> > > Sven Peter
> > >
> > > Doug Fortune wrote:
> > > >
> > > > dave_ace_me wrote:
> > > >
> > > > > btw, on my table, I am using a single lead screw, under the
> table,
> > > > > with telescoping tubing as protection. This is very simple
> and well
> > > > > worth the effort to keep chips clear.
> > > >
> > > > Hi Dave:
> > > >
> > > > I'd be interesting in hearing more about how you made those
> > > > telescoping tubes. I think Reid sells nested sets of aluminum
> > > > tubes, but how do you get them to not pull completely apart?
> > > >
> > > > Doug Fortune
> > > > http://www.cncKITS.com NEW -> 1KW power supply kits
> > > >
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