Homebrew PCBs

Hello everyone,
	I am assembling a homebuilt too to make circuit boards from old printers,
and am looking for ideas to make a small easy table to hold them, I will be
wanting to do double sided boards, so some way of being able to keep
alingment when turning them over would be good,
i only expect to be making 4x6 boards as that is the limitation of the free
eagle cad.

Any suggestions would be very helpful


Al WB0YRQ

Al,
   Make a Jig out of 1/4" thick PVC or Plexi-Glass. This holds the 
blank to the bed. You mount two pins, one top and bottom of the 
center line of the Jig. The blank boards have mating holes one top 
and one bottom in their centerline to match the pins. You can use 
four pins one in each corner of the board. Have the machine drill the 
holes for the pins so they are exactly in the center line of your 
workspace. To test your two GCodes for alignment, use a piece of 
paper that also has alignment holes. Mount a piece of pencil lead in 
your machine. Hold the paper up to the light to test the alignment. 

                                              John



--- In Homebrew_PCBs@yahoogroups.com, "Al Schemmer" <al@a...> wrote:
> Hello everyone,
> 	I am assembling a homebuilt too to make circuit boards from 
old printers,
> and am looking for ideas to make a small easy table to hold them, I 
will be
> wanting to do double sided boards, so some way of being able to keep
> alingment when turning them over would be good,
> i only expect to be making 4x6 boards as that is the limitation of 
the free

> eagle cad.
> 
> Any suggestions would be very helpful
> 
> 
> Al WB0YRQ

At 10:34 20/08/03 -0500, you wrote:
>    Hello everyone,
>      I am assembling a homebuilt too to make circuit boards from old
printers,
> and am looking for ideas to make a small easy table to hold them, I will be
> wanting to do double sided boards, so some way of being able to keep
> alingment when turning them over would be good,
> i only expect to be making 4x6 boards as that is the limitation of the free
> eagle cad.
> 
> Any suggestions would be very helpful

Tape the PCB on a flat piece of plastic and drill two guiding holes on them
and on the printer's bed. I hope you've solved already the PCB's transport
problem. You also have to solve the (software) problem of registering the
guiding holes with the Eagle output.

> 
> 
> Al WB0YRQ