Re: [CAD_CAM_EDM_DRO] Re: EDM Fluid

Ahh Hoyt:
I won't argue that distillation is ineffective in removing ions from
solution; of course it does!
But every commercial manufacturer of wire EDM's that I know of uses a
deionizing bed rather than a still to get the water quality they need.
This tells me that distilling does not work adequately for the volumes that
are needed for commercial applications, and I suspect that the corrosiveness
of steam on metallic condensers is at least part of the source of the
problem.
Thoughput, temperature control, and cost, are probably the other big
factors.
My main point is that with water based systems, you need the capability to
scrub large volumes quickly and very thoroughly.
Oil is much more forgiving in this regard.
Cheers

Marcus

----- Original Message -----
From: <bjammin@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, June 09, 2002 6:33 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: EDM Fluid


> At 06:43 AM 6/9/02 +0000, you wrote:
> >It depends on how the distillation is done, and what condition the
> >still is in. If the water in the boiler is boiling rapidly, particles of
> >dirty water or scale can be blown into the condenser.
>
> Nit-picking, dude; any process depends on the condition of the gear used.
> You could certainly have badly de-ionized water too. My point should have
> been clear, and it still stands.
>
> Regards, Hoyt
>
>
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