[Jewelry making - Article 00015] - Re: [Orchid] Considering buying a Tumbler

[Dave Arens]

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http://www.ganoksin.com/orchid/archive/200503/msg01723.htm

Hi Zen,

>        It seems to me I've read bad things about vibratory tumblers,
>     and then sometimes good things - there is a vibratory tumbler
>     another lister pointed out that's under $40 - would this do a
>     better job for final finish than a rotary tumbler?  Or what's the
>     general opinion on vibratory versus rotary? 

    I've used a small vibratory tumbler for about 15 years. In my book
    there's no comparison between a rotary & vibratory tumbler. The
    vibratory wins hands down! 

    Vibratories produce a finished piece much faster, typically 1/2
    hour. More time won't hurt, but usually isn't necessary. I've
    forgotten & left things in over night with no ill effects. The
    vibratories are also more trouble free. There's no belts or  rollers
    to worry about & no lid that is prone to leaking or hard to install
    & remove. 

    The bowl on a vibratory is shaped similar to an angel food cake pan.
    It's mounted to a spring supported platform to which the motor is
    also permanently attached. The motor shaft has an off center weight
    attached to it. This causes the platform & bowl to vibrate when the
    motor is running. 

    There are several sizes & types of vibratories beginning with the
    basic model described above & going up to larger units that have
    adjustable speeds & amplitudes as well as a flow through system for
    any liquids the system uses. 

    Prices range from around $50 to several hundred, depending on model
    & place of purchase. One of the lowest cost places to find the basic
    units is a gun shop or shooting sports store/website. Folks who
    reload their own ammo use them to polish their brass prior to
    reloading. 

Dave

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