Re: [CAD_CAM_EDM_DRO] High pressure water jet (Lasers)

on 2001-03-13 07:26:38 UTC

John:

LHe selld for about $5.00 a litre in Canada, LNe is about $2.50 a
litre.

Art

----- Original Message -----
From: <e.heritage@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, March 12, 2001 7:27 PM
Subject: Re: [CAD_CAM_EDM_DRO] High pressure water jet (Lasers)

> Purely out of interest, how expensive is liquid He, or N for that matter?
>
> John
>
> ----- Original Message -----
> From: "Art Fenerty" <fenerty@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Tuesday, March 13, 2001 6:32 AM
> Subject: Re: [CAD_CAM_EDM_DRO] High pressure water jet (Lasers)
>
>
> > I use a lot of liquid helium. It definitely has a lower freezing point.
> You
> > CANT freeze it. It liquifies at 4 degrees kelvin above absolute zero.
As
> > long as you used a helium argon laser, liquid N should work fine. I've
> > frozen just about anything with LHe, I have no doubt CO2 would be ice in
a
> > millisecond.
> >
> > Art
> >
> >
> > > doesn't He have a lower freezing point than N?
> >
> >
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> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
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