[meteorite-list] Water fun

From: Meteoriteshow <meteoriteshow_at_meteoritecentral.com>
Date: Mon Mar 20 23:14:19 2006
Message-ID: <009001c64c48$a14c5b50$0400a8c0_at_IBM>

Dear Marcin and all,

I have tried this cutting method with a chondrite about three years ago and gave up immediately.
Water jet cutting is very nice and fast, providing a got cutting surface when the material to be cut is homogeneous. So maybe it
could be tried with an Iron meteorite, but with chondrites it is not adapted to my opinion, chondrules being often much harder than
the matrix, not mentioning the metal flakes.
As you said about the test that you made, you lost about 2mm by cutting, and will lose another 2mm polishing (both surfaces I
guess), which makes a big 6mm loss and a long time spent polishing...
Just my 2 cents!

Frederic Beroud
http://www.meteoriteshow.com
IMCA member # 2491 (http://www.imca.cc/)

----- Original Message -----
From: <marcin_at_polandmet.com>
To: "Martin Altmann" <altmann_at_meteorite-martin.de>; <meteorite-list@meteoritecentral.com>
Sent: Monday, March 20, 2006 5:44 PM
Subject: Re: [meteorite-list] Water fun


> How high was the cut loss?
> Did you also try to cut irons?
>
> Hi
> They can cut with minimal water stream diameter 0.8mm. Here cut loses was
> around 2mm + another 2mm if I want polish surface, so this is not the most
> economical method. But they cut my SAU very fast. If they made speed for
> lets say 1mm per 1 minute, then surface will be much, much better.
>
> They say that in user manual is written that they can cut iron up to 20cm,
> but I think its just marketing only.
> Diamond blades are still best for stone meteorites.
>
> -----[ MARCIN CIMALA ]-----[ I.M.C.A.#3667 ]-----
> http://www.Meteoryt.net marcin_at_meteoryt.net
> http://www.PolandMET.com marcin_at_polandmet.com
> http://www.Gao-Guenie.com GSM +48(607)535 195
> --------[ Member of Polish Meteoritical Society ]--------
>
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Received on Mon 20 Mar 2006 01:03:43 PM PST


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