Hi Brian,
I bought a plotter. Two things I did not like. 1. It wanted
PLT files. I use GCode. 2. The plotter can't drill the boards. 3.The
plotter can't mill the boards. So I designed a simple cheap machine
that could do it all. It will also do 3D work in wood. I bought a
Roland plotter. I could not beleive how cheaply it was made! But it
led to the Morph design.
John Crankorgan Kleinbauer
www.kleinbauer.com/
--- In Homebrew_PCBs@y..., Brian Schmalz <brian.s@l...> wrote:
> Crankorgan,
> Putting bluing on the whole board, then scratching it off
with a
> carbide metal scratch tip is the method I'm currently using to do
boards. I
> tape the copper down on a piece of paper, then run it through my HP
plotter
> (7550A). I get very clean lines and can get down to 10mil space
10mil line
> with a bit of practice, double sided. I've written custom software
to take a
> Eagle board file and create HPGL which I then output to the
plotter. This
> method really works well since you can use a standard plotter (I
just built
> a special 'pen' with the carbide scratch tip) plus some software.
Anyway,
> the bluing/scratching method is alive and well . . .
>
> ∗Brian
>
>
> -----Original Message-----
> From: crankorgan [mailto:john@k...]
> Sent: Saturday, September 14, 2002 6:41 AM
> To: Homebrew_PCBs@y...
> Subject: [Homebrew_PCBs] Re: Inkjet printing PC boards
>
>
> Larry,
> I sell plans for a PCBmill (Brute) and I just finished a
> machine that will mill or draw simple boards. (Morph)
> Months ago I brought up the idea of Scratch and Etch. This
> idea is not dead. First I developed a super simple CNC plotter. Now
> I have a machine strong enough to drag a scribe through the blueing.
> Several people tried Scratch and Etch With good results. Coating
the
> whole board and then scribing and isolation between pads for
etching
> seems easier.
>
> Crankorgan John