[Jewelry making - Article 01211] - Re: [Orchid] Flush setting into 26g

[andy cooperman]

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    I've seen Pat Flynn lecture about just this.  He couldn't figure out
    how it was done until he went down the diamond district in NYC and
    spent time with some of the "old timers" at the bench. 

    Briefly, he takes a dulled bud burr and, after predrilling, uses it
    to burnish out the metal from the front, creating a "volcano" of
    metal at the back.  The hole is still smaller than the stone and a
    seat must still be cut.  This effectively gives an increased
    thickness of material at the setting area.  You must be very careful
    not to cut through the smal amount of metal that you've "added". 

    The dulled teeth on the bud burr act as burnishing knuckles-- lttle
    hammers-- that when spun in the flex shaft beat out the metal. 

Andy Cooperman

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