[Jewelry making - Article 00524] - Re: [Orchid] Rolling mills square wire grooves

[James Binnion]

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>     Has anybody ever used a mill with full square rolls? Anybody know
>     why they're usually not? 

    Stress cracking. Rolls are under tremendous strain in use, sharp
    corners will focus the strain and the rolls will crack at the tips
    of the "v" groove. 

Jim

James Binnion
jbin AT mokume-gane.com
James Binnion Metal Arts
http://www.mokume-gane.com
360-756-6550
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