Low frequency drum brake squeal is often very intense and can cause high levels of customer complaints. During a noise event, vehicle framework and suspension components are excited by the brake system and result in a violent event that can be heard and felt during a brake application. This paper illustrates the experimental and analytical studies on a low frequency drum brake squeal problem that caused high warranty cost. First the environmental condition was identified and noise was reproduced. Vehicle tests were performed and operating deflection shapes were acquired. The sensitivity of the lining material to different environmental conditions was investigated. With the use of complex eigenvalue method, models were constructed to obtain further understanding of the phenomena. Finally, the squeal mechanism of a drum brake system is discussed and various solution techniques for low frequency drum brake noise are evaluated.


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    Titel :

    A Study on Low Frequency Drum Brake Squeal


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Stelzer, Greg (Autor:in) / Smith, Kelly A. (Autor:in) / Kung, Shih-Wei (Autor:in)

    Kongress:

    22nd Annual Brake Colloquium & Exhibition ; 2004



    Erscheinungsdatum :

    2004-10-10




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Drum brake squeal

    Hultén, Johan | TIBKAT | 1998


    A Study on Low Frequency Drum Brake Squeal

    Kung, S-W. / Stelzer, G. / Smith, K. A. et al. | British Library Conference Proceedings | 2004


    A study on low frequency drum brake squeal

    Kung,S.W. / Stelzer,G. / Smith,K.A. et al. | Kraftfahrwesen | 2004


    A study on brake noise. Drum brake squeal

    Okamura, H. / Nishiwaki, M. | Tema Archiv | 1989


    Some Drum Brake Squeal Mechanisms

    Hultén, Johan | SAE Technical Papers | 1995