[Jewelry making - Article 00976] - Re: [Orchid] Casting small round bars

[John A. Henkel]

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    Hi All, Casting an ingot is like casting anything else, you need a
    large button on it which gets cut off before you roll it in the mill
    to reduce. Roll to at least 50% end area from ingot. When rolling be
    sure not to fold any "wings" or flashing back into the piece. If you
    raise any burs during a rolling pass use a file to remove them before
    putting it back in the mill for another pass. Aneal before pulling
    through the draw plate. If you have casting equipment, consider
    casting an ingot just like you would a piece of jewelry. Sprue it
    with a slightly larger gate than the diameter of the ingot and use a
    good size button. John, J.A.Henkel Co., Inc., Moldmaking Casting
    Finishing, Producing Solutions For Jewelry Artists 


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