Analyses of squealing disk brakes generally show main frequencies from 1 to 10 kHz. On a test stand holograms exposed by time average and double-pulse techniques are recorded from various types of disk brakes. Photographs of reconstructions from those holograms display a vibration pattern in a simple topographical map of fringes, which represents contours of equal vibration amplitudes on the brake components: That would be i.e. yoke-type or fist-type callipers, brake pads and brake disk.Holographic Vibration Analysis is a useful method for looking at these small vibration amplitudes to understand different mechanisms of coupling. Also it is possible to localize vibration sources in squealing disk brakes.


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    Title :

    Oscillations in Squealing Disk Brakes - Analysis of Vibration Modes by Holographic lnterferometry


    Additional title:

    Sae Technical Papers


    Contributors:
    Felske, A. (author) / Hoppe, G. (author) / Matthäi, H. (author)

    Conference:

    1978 Automotive Engineering Congress and Exposition ; 1978



    Publication date :

    1978-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Oscillations in Squealing Disc Brakes - Analysis of Vibration Modes by Holographic Interferometry

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