[Jewelry making - Article 00896] - Re: [Orchid] Improving vortex action in vibratory tumbler?

[Thackeray Taylor]

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>       I'm running stainless steel shot in a UltraVibe 10, and I'm
>     having trouble getting the pieces to move properly. They go
>     round-and-round with the shot, but they (and the shot itself) don't
>     move toward the middle, then submerge, then appear again on the
>     surface near the outside of the tumbler again like they should.
>     They just sit there. 

Hello Carey,

    Is your vibratory tumbler actually rated to run steel shot? Not many
    are. Vibratory tumblers are designed to run at full media capacity,
    about 3/4 full. If you fill your vibratory tumbler 3/4 full of steel
    shot you'll probably kill it or at least shorten its life and still
    not get proper media action. The bowl is shaped so it creates the
    action, or lack of, you are describing above when filled to
    capacity. Now this being said, I get many people who would argue or
    disagree as they get adequate results using the same process you
    are. 

    One thing to always remember when mass finishing is media action is
    the key to success. For example If you were using sand paper or a
    file and barley brushing the surface you'd be ineffective or
    extremely slow. Same with polishing, polishing wheels are moving at
    a pretty good speed, so if your media is stalled or moving slowly
    then it's not going to be effective. 

    If you want the finish of steel shot and don't want to purchase
    another tumbler consider porcelain burnishing media. Its lighter and
    gives a better finish than steel shot in my opinion. The draw backs
    are it requires a break in cycle and cycle times are longer. 

    Feel free to e-mail or call me if you want more info on this
    process. 

Sincerely,

Thackeray Taylor
Rio Grande Technical support
800-545-6566 ex 13903
ttaylor AT tbg.riogrande.com

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