Homebrew PCBs

Has anyone here used this type of method? How succesful were you? What 
kind of equipment did you use? Home made???
Thanks! 
Ray Russell

--- In Homebrew_PCBs@yahoogroups.com, "rruss45826" <rruss45826@a...>
wrote:
> 
> 
> Has anyone here used this type of method? How succesful were you? What 
> kind of equipment did you use? Home made???
> Thanks! 
> Ray Russell

If your looking for more info on a cnc router, try www.cnczone.com, i
haven't been able to mill a pcb after i killed my driver board but
more then a few of the guys at cnczone make good boards with there
routers. Definitly faster then using toner transfer, no chems. There's
a really nice section on open source driver boards aswell. There are
free open source plans for basically everything you need to get
started milling pcb's. I even built my power supply from an old
microwave oven one. Since my machine is down i am working with the
toner transfer method to get some driver boards built so i can get my
router running again.

On Wed, 06 Apr 2005 21:43:48 -0000, tinkerdj <tinkerdj@...> wrote:

>
> If your looking for more info on a cnc router, try www.cnczone.com, i
> haven't been able to mill a pcb after i killed my driver board but
> more then a few of the guys at cnczone make good boards with there
> routers.


> Definitly faster then using toner transfer,

I wouldn't be too sure about that.


ST

--- In Homebrew_PCBs@yahoogroups.com, "rruss45826" <rruss45826@a...>wrote:
started milling pcb's. I even built my power supply from an oldmicrowave
oven one. Since my machine is down i am working with thetoner transfer
method to get some driver boards built so i can get myrouter running again.
That's interesting.  People here chuck out ovens all the time.  90% work
fine.  I keep some of the bits, but always felt guilty about tossing the
transformer.

You used the magnatron transformer?  They're fairly hefty (>1000 watt), with
2 secondaries?  You run them backwards?

Would you mind giving a quick rundown?

For anyone who has never dismantled a microwave, you get a little synchro
motor, a fan, mains lead & fuse, a few thermal cutout switches, 3-6
microswitches, a 15-25 watt bulb, maybe a few odd bits like a 'browning'
element or moisture sensor, and that big transformer.  The magnetron has a
couple of big magnets - fun!  More interesting is the control panel, which
is self contained (has its own transformer).  Has a few relays, power it up
& use it to time & control your etcher.  Watch out for the capacitor.  Note
the spade clips used are safety ones, you need to push the little lever to
get them off.

Tony


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