[meteorite-list] wire saw cost

[Michael Gilmer]

HI List,

I'm not sure where this notion of large amount of loss with ordinary
lap saws is coming from.  Perhaps it is true with large saws using
thick blades, but a 6-inch saw using a .012" blade generates very
little loss.  When slicing a 100g stone, I expect about approx. 3-5g
of loss with my current saw setup.  This is a lot when one is cutting
a lunar or martian, but when cutting OC's and most other types
(including CV3's), this is acceptable to me and everyone I have cut
for.  This is why I always recommend using a saw that is just big
enough to cut the specimen.  In other words, don't use a 10-inch saw
to cut a meteorite the size of a golfball.   Larger saws use thicker
blades which generate more loss.

Best regards,

MikeG

----------------------------------------------------------------------
Mike Gilmer - Galactic Stone & Ironworks Meteorites

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On 3/10/11, Shawn Alan <photophlow at yahoo.com> wrote:
> Matt, Gary, and Listers,
>
> What would be the best way to go for irons slices if you had lets say Tucson
> iron and I have seen that go for $1000 a gram or lets say you have a 10gram
> Compo and you want to make 200mg slices, what method would be the best for
> that, not saying cutting up Compos to the size is cost effective?
>
>  Shawn Alan
> IMCA 1633
> eBaystore
> http://shop.ebay.com/photophlow/m.html
>
>
> [meteorite-list] wire saw cost
> mail at mhmeteorites.com mail at mhmeteorites.com
> Thu Mar 10 18:34:44 EST 2011
>
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> --------------------------------------------------------------------------------
> As a general rule of thumb, material 30.00/g or higher, may be best cut on a
> wire saw. This is could be an OC. Probably not an iron. Of course pallasites
> look great thin cut too.
> Matt
> ------------------------
> Matt Morgan
> Mile High Meteorites
> http://www.mhmeteorites.com
> P.O. Box 151293
> Lakewood, CO 80215
>
> -----Original Message-----
> From: Gary Fujihara <fujmon at mac.com>
> Sender: meteorite-list-bounces at meteoritecentral.com
> Date: Thu, 10 Mar 2011 13:32:16
> To: André Moutinho<moutinho at bol.com.br>
> Cc: <meteorite-list at meteoritecentral.com>
> Subject: Re: [meteorite-list] wire saw cost
>
> Aloha Andre,
>
> Depending on the cost of the material, it may or may not be more cost
> effective to use a wire saw. A wire saw is better for planetaries or other
> expensive or rare meteorites, where cost of material is high, and so
> minimizing cut loss is imperative. If the material is cheap, then the
> expense of using a wire saw is not justified for minimizing cut loss because
> you would spend more money on cutting it than you would saving on reduced
> cut loss.
>
> You have to balance the cost of cutting with expected cut loss .
>
> For example, a friend cut a cheap CV3 on a wire, and cost him big money to
> do so. He would have been better off taking the cut loss on a lap saw for a
> cheaper cutting expense.
>
> gary
>
> On Mar 10, 2011, at 12:59 PM, André Moutinho wrote:
>
>
>> Hello,
>
>>
>
>> Does anyone can give me an idea of cutting cost using a wire saw to cut a
>> 300g ordinary chondrite into 3mm slices?
>
>>
>
>> Thanks!
>
>> Andre
>
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>
> Gary Fujihara
> Big Kahuna Meteorites (IMCA#1693)
> 105 Puhili Place, Hilo, Hawai'i 96720
> http://bigkahuna-meteorites.com/
> http://shop.ebay.com/fujmon/m.html
> (808) 640-9161
>
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