[Jewelry making - Article 00018] - Re: [Orchid] Metal set-up time

[James Binnion]

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>>      What's the actual time frame for the metal to freeze after
>>      pouring?

>         It depends on the volume of metal, as well as the temperature
>     of the mold and the metal when poured.  But a reasonable guess
>     would generally be in the area of 5 to 10 seconds, max.  Usually
>     less. 

    It is more dependant on the cross section of the metal at a
    particular point in the casting than the total mass of metal cast.
    The Metal freezes at varying points in the casting at varying times.
    While the button may remain molten up to tens of seconds after
    casting, the models may solidify in milliseconds it all depends on
    their cross section, temperature of the investment, temperature of
    the metal. 

-- 
Jim Binnion

James Binnion Metal Arts
Phone (360) 756-6550
Toll Free (877) 408 7287
Fax (360) 756-2160
http://www.mokume-gane.com
jbin AT mokume-gane.com
Member of the Better Business Bureau

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