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Do Ultrasonic cleaners work.

Discussion in 'Electronic Equipment' started by Boozo, Mar 3, 2007.

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  1. Boozo

    Boozo Guest

    Does anyone know if those Ultrasonic cleaners really work.
    It's the type which uses a small stainless steel bath(and water) and high
    frequency vibrations.

    I have one but can't see any difference when I take the "cleaned" things
    out.

    Tried adding a few drops of dishwashing liquid to the water but doesn't
    make any noticeable difference.

    Thanks for any advice.

    Boozo.
     
  2. Sjouke Burry

    Sjouke Burry Guest

    I have made LCD glasses using such a bath, but to
    clean things properly, I used
    1. acetone.
    2. diluted alcohol
    3. pure alcohol.
    4. isopropyl alcohol(100%).

    Each stage for a few minutes.
    The reason for all the different fluids is
    that you need different solvents for all sorts of
    dirt.
    Using soap water is a bad idea, because that leaves
    a monomolecular layer of soapmolecules on the surface.
    And that very quickly degraded the LCD cell.
    Oh and I used a motor with a ?vacuumsucker?? to centrifuge
    the glass dry, to get a minimum of residu layer.
    So yes, those baths are usefull.
     
  3. nospam

    nospam Guest

    Yes they do.

    Try suspending a strip of aluminium cooking foil in it. The ultrasonic
    agitation abrades the surface and should make holes in it after a minute or
    two.

    Maybe your cleaner is crap or broken.
    --
     
  4. Is it working? Things get dropped into them and the ceramic comes
    partially unstuck, they still make the right sort of buzzing noise
    though.
     
  5. Boozo

    Boozo Guest

    The manual said to add a few drops of washing liquid to help the cleaning
    process
    so was only following orders.
    Makes sense that different dirts needs different solvents to assist in
    cleaning.

    It's only a cheap($100) hobby version but can't see why it wouldn't work
    if not damaged.

    Saw a show last week where an electronics manufacturer used one for cleaning
    various boards etc... so assume there must be some truth in their operation.

    Thanks again, Boozo.(am actually a tea-totaller).
     
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