[Jewelry making - Article 00027] - Re: [Orchid] Ultrasonic cleaner

[Natasha Wozniak]

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    When using the ultrasonic cleaner, it is important to keep the pieces
    from rubbing up against each other, as the vibration will cause them
    to scratch each other andthe pieces should never touch the sides or
    bottom of the tank.Also, silver has a tendency to be etched by the
    ultrasonic waves, so polished silver shouldn't be left in one
    position in the ultrasonic for a long period of time. I would be
    surprised if this was happening in just ten minutes, though. If it is
    the etching effect, the surface will have a frosty white star-like
    pattern. I don't think your problem is from the etching effect, but
    just thought you might like to know in case you ever encounter this
    problem. When I worked in a production shop, I had one project that
    involved polishing hundreds of pieces which had a flat surface that
    had to be perfect. I made a special rack for the pieces out of
    plastic coated wire so they would not touch each other. I also soaked
    the pieces for a while in the hot ultrasonic solution before turning
    on the ultrasonic function. One other thing to consider is that
    drying the piece with by rubbing it with paper towel will put fine
    scratches on the piece. Hope this helps so that you can avoid tedious
    repolishing.  

Natasha Wozniak 

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