[Jewelry making - Article 00039] - Re: [Orchid] Drill press advice

[John Donivan]

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    Machine tools are about what is called "rigidity". The closer to an
    immovable object you can be, the better. That's why the big boys
    weight 50 tons. All of the solutions that involve clamping a drill
    motor into straps or the like are going to be relatively like
    spaghetti. The more that you have a shaft with a screw and a strap
    and another screw and another strap just lose that stoutness the
    farther you get from the main support. I've never used Proxxon, but
    they look pretty nice. I just went to ebay to refresh my memory of the
    Proxxon line. There's a drill press in and ebay store for $169 or so,
    and a Micro-Mill in the same store for $269. The drill press has a
    tiny looking round shaft for a support - the micromill has a dovetail
    slide - you might think about the upgrade, if you have the $$$. Then
    it's also a pint-sized milling machine. The real point, though, is
    that any tool that straps on a handpiece is not a good choice for what
    you call "precision drilling". 

http://www.donivanandmaggiora.com
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