Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Sprayer pressure - pumps

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2005-03-16

On Wed, 16 Mar 2005 13:44:08 +1100, Adam Seychell
<a_seychell@...> wrote:

>
> I agree that there would be more complexity using nozzles/pump sprayer
> as either the nozzles or board must move. The concept I used was fix the
> PCB horizontal at the roof of a sealed tank, and have the spray nozzles
> direct upwards to the PCB. The nozzles are mounted to a pipe that has
> wheels at each end. The wheels run along two tracks mounted at each side
> of the tank. Drive mechanism consists of belts and a stepper motor
> mounted outside the tank. A pulley and shaft mechanically driving the
> tanks internal pulleys. If anyones interested I can take photos and put
> then to the photo section at Yahoo Homebrew_PCBs.
> Adam


Thanks for the photos, wow, you certainly put a lot of work in that!
I think i might have seen pictures of your machine before, but then it was
still under construction?

It is HUGE now, it seems it lives outside? Not a problem with the weather?

ST