[Jewelry making - Article 00082] - Re: [Orchid] Tools I'd like to see

[JoJu428]

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>      It's finishing bezel cups that I'm especially interested in. 

    Dear Beth and others who might be interested: The procedure I use to
    finish cup bezels is to mount the cup on a screw mandrel. This must
    be done dead center so that the cup will run true. To locate the
    center I use a set of tools called transfer punches. These are used
    in machineshop work and are a set of round steel rods of graduated
    diameters with a small nib centered on the end. (These are available
    at Harbor Freight for about $7.00 for a set of 28 PCs with a stand)
    You select the rod that just fits snugly in the bezel. These are
    ranging in size from 3/32 to 1/2 inch, not in mm. But it really
    doesn't matter as long as you select a close fit. You tap the end of
    the rod so the nib at the other end marks the center on the floor of
    the cup. The dimple created serves to allow one to drill a small
    hole which will allow the insertion of the screw of a mandrel. This
    can now be fixed to the mandrel which can in turn be chucked into
    the handpiece and allow the finishing with either abrasive paper on
    a stick or files. 

    You mentioned trillion settings and, obviously, these cannot be
    rotated in the handpiece for finishing, but if having a small hole
    in the floor of the setting is not a problem, you can drill a hole
    anywhere in the floor and mount the setting on a screw mandrel which
    can in turn be held in a pin vice and finished as you would without
    having to hold these small items in your fingers.  HTH  Joe Dule

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