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What vibration sensor for bearing monitoring

Discussion in 'Sensors and Actuators' started by screwball, Oct 15, 2017.

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  1. screwball

    screwball

    89
    1
    Jan 9, 2012
    Hi,
    I am looking for a vibration sensor which would be suitable for monitoring bearing condition, the only sensors I can see are listed as tilt sensors or switch on shock, any pointers in the right direction?
    Thanks,
     
  2. kellys_eye

    kellys_eye

    4,281
    1,144
    Jun 25, 2010
    AFAIK they use piezo transducers and monitor the frequency of the signal to detect vibrations.
     
  3. Externet

    Externet

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    Aug 24, 2009
    hevans1944 likes this.
  4. hevans1944

    hevans1944 Hop - AC8NS

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    Jun 21, 2012
    Single-axis accelerometers are what we used in our bearing test rigs. Bearing failure, indicated by a sudden increase in vibration amplitude, initiated shutdown of test rig. Most vibration accelerometers use a "proof" mass attached to a piezoelectric crystal to form an accelerometer transducer with excellent high-frequency response. More recent variants use MEMS (Micro-Electro-Mechanical Systems) technology, but the principles are the same: measure the motion of a test or "proof" mass with some sort of position transducer.

    Here is a pretty good introduction from a company that has been in the instrumentation and data acquisition business a long time. You might also want to check out the links on this Google search results page.
     
    davenn and kellys_eye like this.
  5. OBW0549

    OBW0549

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    118
    Jul 5, 2016
    If you simply Google the phrase, "vibration sensor for bearing monitoring" you'll get all kinds of good info. Bearing condition monitoring is a well-established science/art, and so are the devices and methods for doing it.
     
  6. Externet

    Externet

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    Aug 24, 2009
  7. hevans1944

    hevans1944 Hop - AC8NS

    4,273
    2,012
    Jun 21, 2012
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