[Jewelry making - Article 01262] - Re: [Orchid] High speed spindle

[Andrew Werby]

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Dave

>     Since I didn't have anything to mill, I placed a slip mandrel in
>     the collect with strip of 3/4" (20 mm) wide abrasive paper about 4"
>     long (2" sticking out each side). I turned the IBE on to it's
>     highest sped (20,000 rpm) & let it fan the air for about 3 hours.
>     Admittedly, fanning the air may not be as big a load as a milling
>     project, but the IBE was still going strong after 3 hr. The motor
>     housing was still cool to the touch but the spindle housing was
>     slightly warm to the touch. 

    Thanks for doing the test, Dave. I was going on hearsay there, so
    it's good to get some reality on the situation. Cutting wax with a
    small cutter shouldn't be much more stressful than fanning air the
    way you did, so it sounds like it could do that for 3 hours at a
    stretch, anyway. Did you notice a thermal reset button on that tool?
    My informant may have been talking about another model of Proxxon
    spindle. 

Andrew Werby
www.computersculpture.com
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