[Jewelry making - Article 00588] - [Orchid] "Half-Ground" Round bur?

[Gerald]

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    Hello fellow "Orchidians" and Karen C....in particular !            

    B"H 

    My little "least known round bur" I constantly use, is used
    primarily for cutting and shaping Bezel Walls prior to setting a
    Cabochon stone. Why is this bur so different you might ask? Well,
    the size of the bur should be equivalent to the curvature of the
    stone being set. Simple? Simple but just a basic fact that the
    different size of the 'round bur' follows the contours of the stone.
    This simple procedure "cuts" a smooth finish in the inside of the
    bezel wall as it shapes and prepares for the actual placement. It
    "cuts and smoothes" from the base of the bezel to the top of the
    bezel wall. 

    Why must "you" use a small round bur to clean any metal shavings
    direct from the casting process? Another small bur to clean the
    vertical walls of the bezel and a series of burs to try and finalise
    the ackward angles to match your stone. With this flat bottomed bur
    with teeth of the cup design, that is matching the stone
    itself...all of this is done in one easy step!!!! 

    But you ask why is it flat on the bottom? Glad you asked ! Do you
    see a seat or step for which the stone is resting? This innovative
    hand made designed bur will also clean any imperfections to this seat
    or resting spot for your Cab-stone right INTO the deep corner of the
    bezel, no round bur can do . 

    Well now you've been told about this bur, where do you buy this bur?
    You don't and can't, but you 

    can make a "full series" of these burs yourself. Secure in a mini
    hand-held vise grip any one of these round burs, preferably with its
    cutting teeth sharp and clean. Apply this bur extension to your
    bench grinder at a series of touching to the rotating wheel and
    remove little amounts of the bur as it is being rotated. You must
    above all keep the bur cool to the touch, or you will make this bur
    loose its machine made "hardness". Keep it well cooled at all times
    and keep your jar of water within easy reach! The bottom flat must
    be as it is stated, flat and noticing that the teeth at the bottom
    edge must be sharp and coming to a point, so to speak....Now you can
    make any size of round bur to fit your Cabochons 

    This "bur idea" was presented in the Spring-2004, issue of the
    "Bench" magazine (page 15) and the AJM trade magazine in April
    listed under "New Tools" ..."Gerry, the Cyber-Setter ! " 

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