Homebrew PCBs

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
>