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Homework Help: Vibration making

  1. Feb 26, 2006 #1
    I interest how can vibration be maked.That is,for example sander.how does the mechanism of the vibration sander functions?is there any idea?:uhh:
  2. jcsd
  3. Feb 26, 2006 #2


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    Vibration is a period mechanical motion, i.e. some mass is translated back and forth over a given displacment field. Such motion can be obtain with a linear or rotational (orbital) electric motors, which produces a periodic motion.

    Piezoelectrics can also produce vibration by turning the electric field on and off periodically. See -

    Piezoelectric transducers are the basis of ultrasonic devices.
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