Investigations on static and dynamic behaviour of brake-disc geometry were carried out by new, purpose-designed methods in order to describe the excitation mechanism of brake judder. Disc thickness variations were found to be the main cause for brake-torque variations and thus for judder. Effects on 'hurting and healing' static brake-disc geometry were analysed in test stand and real-road measurements. Thermal and mechanic influences on dynamic disc geometry were observed. Additionally, mechanic distortion of the disc axis by acting forces on wheel, hub and disc like imbalance- and rolling-resistance forces proved to reinforce disc thickness variations fictitiously. This firstly observed phenomenon was called 'virtual' dynamic brake-disc geometry.


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    Titel :

    Dynamic behaviour of brake-disc geometry as cause of brake judder


    Weitere Titelangaben:

    Das dynamische Verhalten der Bremsscheiben als Ursache für Vibrationen bei Bremsen


    Beteiligte:
    Engel, H.G. (Autor:in) / Bachmann, T. (Autor:in) / Eichorn, U. (Autor:in) / Saame, C. (Autor:in)


    Erscheinungsdatum :

    1993


    Format / Umfang :

    17 Seiten, 11 Bilder, 3 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Dynamic behaviour of brake-disc geometry as cause of brake judder

    Engel, H. G. / Bachmann, T. / Eichhorn, U. et al. | British Library Conference Proceedings | 1993


    Dynamic behaviour of brake-disk geometry as cause of brake judder

    Engel,H.G. / Bachmann,T. / Eichhorn,U. et al. | Kraftfahrwesen | 1993


    Cause and Improvement of Brake Judder by Brake Disc Rotors

    Okamura, T. / Japan Society of Automotive Engineers | British Library Conference Proceedings | 2012


    Aspects of disc brake judder

    Jacobsson,H. / Chalmers Univ.of Technology,SE | Kraftfahrwesen | 2003


    Aspects of disc brake judder

    Jacobsson, H. | Tema Archiv | 2003