Re: [CAD_CAM_EDM_DRO] Re: EDM spark control system

Hi, I used to use a water mixable oil called Al-Mag for sawing stone with
diamond saw blades. I wunder if that could be used to make a good solution
for EDM work. I used to use PEG for working green wood(mostly turning
bowls)until i found out that those blinding headaches were from Glycol. cul
brian f.

----- Original Message -----
From: "Ian Wright" <Ian@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, July 28, 2001 9:18 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: EDM spark control system


> ----- Original Message -----
> From: "Jon Elson" elson@...
> > >
> > > Is Kerosene still the most common dielectric fluid for EDM?
> >
> > This may be similar to my favorite - alum-tap. A thin, oil-based clear
> > liquid that evaporates very slowly. It is flammable, however. most
> people
> > suggest water! you have to keep the voltage down around 30 or the
> > water starts to electrolyze.
> >
>
> I would advise against using flammable liquids for a dielectric - from
> personal experience!!!!! ;o{
>
> I haven't tried again since I set most of me workshop alight some time ago
> but one of the best options I have seen seems to be a 50/50 mix of
> Antifreeze (glycol) and water. If you use plain water it must be
de-ionised.
>
> Ian
> --
> Ian W. Wright
> Sheffield UK
> www.iw63.freeserve.co.uk
>
>
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