[Jewelry making - Article 00128] - Re: [Orchid] Drilling Tubes

[Lisa Bialac-Jehle]

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    If this is for any type of production, have a machinist make a steel
    block measuring about 3"x3" with a height of about 1". Then have the
    machinist drill into the side of the block, a hole the size of the
    tube, and as deep as about twice the length of where you wish to
    place the hole. 

    Then, measuring the length of tube, and where the hole should be,
    have the machinist drill a very small drill bit guide hole through
    the top of the block in the correct place, (perpendicularly),
    through the tube sized hole. Voila! You stick the tube in the tube
    hole, hold it with your hand or a clamp, and drill through the hole
    in the top of the block, through the tube. Perfectly placed hole in
    the exact same spot every time. Great for placing rivets in tube
    shaped necklace fasteners. 

    I use a set up like this for drilling holes to put rivets through
    tubes to hold materials I want to stick into the tubes in place.
    Sounds complex in writing, but its not. If you need a diagram,
    e-mail me off list. If its not for production, then others no doubt
    have better suggestions than I. 

    Lisa, (Drove to Long Beach to see a new exhibit of 19th century
    portraits of African Americans. It was really great!) Topanga, CA
    USA
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