[meteorite-list] diamond wire ( was CBN blades)

From: Michel Franco <michel_at_meteoritecentral.com>
Date: Tue Jan 4 09:40:54 2005
Message-ID: <00f201c4f26b$648ad8a0$0201a8c0_at_cailloubi12zzr>

Dear List,

Hey Marcin, Happy new year !

I have a Well Wire saw but it is very difficult to use the 0.13 mm wire.
they always break. The minimum I use is the 0.17 more often the 0.22 which I
refer.

What is your wire supplier ? may be you have best material than what we have
.

Best regards

Michel


----- Original Message -----
From: "Meteoryt.net" <marcin_at_meteoryt.net>
To: "Andreas Gren" <info_at_meteoritenhaus.de>;
<meteorite-list_at_meteoritecentral.com>
Sent: Tuesday, January 04, 2005 1:06 PM
Subject: Re: [meteorite-list] CBN blades


> Thanks for the answers to my cbn blade questions.
> I use diamond blades for Chondrites and Achondrites and I think the result
> is ok.(there is a German seller called "Homberg und Brusius "who is
> selling
> diamond blades 0,2 mm thick)
>
> ======
> what is this seller name ? Or how to search diamond blades in German ebay
> ?
>
>
> How do you cut your Irons? Is a blade saw a bad choice ? How expensive
> will
> be another "Iron saw" ?
>
> =========
>>From time when 1 slice 8x8cm of Nantan was cutted for 8 hours I say "its
> enough". (propably blade was damaged)
> 3 weeks ago I use small 6" 0.4mm old russian blades for cutting small
> mundrabillas to half, but after this surface is terrible.
> One half have alvays surface concave and anoter convex. Its differences
> maybe 0.5mm, but when You gridding them You can take heart attack or
> destroy
> your gridding flat lap after several endpieces. And situation is more
> complicated when You want cut slices. I everything make in my hands so how
> hold 3mm thin slice under gridding wheel ? Ofcourse I can use blade thick
> to
> 0.8-1mm and You get flat surface, but then cut loses will be big and work
> the same.
>
> So for irons I now use only wire saw (0.12mm thick). The next day I have
> everything cutted, polished ready for etching. No rounded edges, little
> cut
> loses.
>
> Also if You have 3 mundrabillas 3mm diameter to cut there is no problem. I
> have for cut 30 mundrabillas and I received around 70 specimens include
> several slices. Try polish all of them in hands :))))))
>
> -----[ 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 Tue 04 Jan 2005 09:40:53 AM PST


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