Re: [CAD_CAM_EDM_DRO] vac pumps was Re: Vac table, it works!

Jon Anderson wrote:

> ballendo@... wrote:
> >
> > Doug,
> >
> > You might try a regrigeration compressor!
>
> DO NOT dismantle a fridge for the compressor and haul the corpse to the
> landfill/recycling. It's a $5,000 fine! If you must use one of these,
> abandon it somewhere, and be sure to wipe your prints off it before
> leaving the scene...
>
> > Just a thought: I wonder if the Automatic drains for
> > compeassor systems would have application here? I don't know enough
> > about how they work to comment beyond asking the question...
>
> These have a little float in them. Water raises it enough to open the
> valve, water dribbles out. Don't know if this would work under vacuum,
> if you managed to get enough water in it to lift the valve, it'd want to
> suck in air and probably wouldn't let much water out.
> For that matter, the vacuum might prevent the valve from seating tight.

Yes, the completely passive drains probably wouldn't work at all.
But, you might be able to rig your own setup, or modify one of the
commercial ones with a check valve so it would only try to drain
when the vacuum was off.

Jon