[Jewelry making - Article 00021] - Re: [Orchid] Rubberized abrasive cones discontinued

[David Huffman]

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Hi Stephen;

    There are probably several alternatives that would work for you.
    Gesswein Company has always been one of the better suppliers for
    abraisives of various configurations. Since I don't know exactly
    what you've been using, I may suggest something that is actually what
    you've had. There are probably other manufacturers for what you've
    been using, but Rio might not carry them. Cratex manufactures a
    solid rubber/abraisive cone that looks like a felt inside ring buff,
    and they have them in several grits. It's designed to go direclty on
    the buffing machine's tapered spindel. There are also wood mandrels
    that go on the spindle and abraisive paper cones that fit over them,
    made in several grits. My guys like the rubber abraisive cylinders
    Stuller carries, about 1.5 inches in diameter and 1/2 inch diameter,
    with a hole that runs the length of it. They're designed to go on a
    small mandrel that chucks in a handpiece, but there are spindle
    adapters that would get it on the buffing machine. 

    Personally, I prefer to clean out rings with sandpaper cylinders that
    fit on a small handpiece mandrel. I use 210 grit after filing (if I
    need to file), then 320 quickly cleans it up enough to go to a felt
    inside ring buff on the polishing lathe. Again, check Gesswein. They
    seem to carry a lot of stuff that only us old bench geezers know
    about. 

David L. Huffman
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