I would be interested in seeing it as well.
Keith
--- In Homebrew_PCBs@yahoogroups.com, Alan King <alan@n...> wrote:
>
> PPC wrote:
>
> >Wonderful! Where will you post the pic? I'll be interested to see
how you do
> >it.
> >
> >Can you list the parts you have in this CNC?
> >
> >
> >
> Well going to write and list things as I go along, so it'll be a
day
> or two, and sticking it up on my webspace..
>
> Really is:
>
> 1 8' x 1.5" x 1.5" aluminium angle rail at around $20.
> 6 rails at $36. (3 two packs, and maybe a bit more money by now..)
> 2 metal electrical boxes at $6-8.
> Plastic electrical boxes for motor mounts.
> Wood base at about 24" by 18" for the base, and wood plate for the
tool
> mounting plate.
>
> Rest is little stuff like nuts and bolts, angle brackets etc.
Main
> goal was fairly decent machine without machining either wood or
metal,
> and almost all metal, so no relying on wood parts for anything
> important. Really I'm sure it could be greatly improved,
especially in
> the traveling nut to rail connections. My initial crude hacks
just to
> get it up and running for test worked well enough that I never
even gave
> it a proper second look for better common parts at the hardware
store
> etc. Couldn't get rebuilding it when it already worked ok for
what I
> wanted at the time.
>
> First one takes a few days, after that you could probably build
the
> second in an afternoon or less. Once going, I could probably
build them
> at the rate of 1/hour or faster, thought about selling them on
Ebay
> myself. Still might do so even, if I get back into it. For now
though
> I have the other products coming, and their price per build time
and
> leading into other related products demands my attention, even if
they
> won't sell that fast at first.
>
> Nothing too much special about the machine, other than the work
is
> done for how to make it go together and get it aligned. If I
gave you
> the parts with holes etc as pieces, and no instructions, it'd
probably
> take a week or two for most to rearrange things and get it
working, and
> have even more trouble making it well. Several other ways to
arrange
> the components of course, but most cut down the work area or have
other
> interference problems. I've already worked it all out for the
most part
> over the few weeks it took to get this one ok for use, so you
won't have
> to reinvent all the wheels. I've got to get it up and routing, so
it'll
> be coming shortly.
>
> Alan
>