[Jewelry making - Article 00589] - Re: [Orchid] Product Query: Magnetic Tumblers

[Dave Arens]

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Hi Stephen,

    At the Tucson show, Raytech was showing a couple of new bowls for
    the magnetic tumblers. There wasn't anyone around to talk to about
    them when I was there so other than the description of the bowls my
    comments may be incorrect. 

    The bowls I looked at were the same size (diameter) as the bowl for
    the small magnetic tumbler used with stainless steel pins. The base
    of them appeared to be about 1" (25 mm) thick. The bottom of the bowl
    had a series of aprox 3/8" (10 mm) diameter holes (8 if I remember
    right) about 3/4" (19 mm) from the outside of the barrel. The bottom
    of the bowl was free to rotate within the bowl when the unit was
    running. 

    The media being used in the demonstration model appeared to be some
    sort of softer material (corn cobs ?) that was treated with a
    polishing agent. They also had another unit the same size that had 4
    plastic Christmas tree shaped units mounted in 4 of the holes,
    dividing the bowel into quarters. The base of the 'tree' was about
    1/4 the diameter of the bowl. the trees were free to rotate when the
    unit was running. I was told by someone in a different booth that the
    purpose of the trees was to keep rings placed on them separated so
    they wouldn't scratch each other. 

    I don't know if the 4 Christmas trees are removable or if the unit
    that had them was a special bowl. The media in both bowls rotated
    when the units were on. 

    If I had to guess, I say the bottom of the bowl (the part with the
    holes in it) was attached to a ferrous metal base that was caused to
    turn by the magnets of the drive unit. 

    Guess we'll have to wait to see the units listed in some of the tool
    catalogs that provide a description & more info. 

Dave

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