This paper discusses a new approach to detecting the detachment of one belt tooth in mechanical transmission systems with synchronous belts, which involves monitoring vibrations in the bodies linked to the pulley. A preliminary numerical analysis was carried out in order to estimate and compare the forces acting on the pulley in a healthy synchronous belt and in a belt lacking one tooth. Simulation results show that the lack of a tooth causes moderate but not negligible variations in the tangential force on the pulley. These variations involve different vibration behaviours that can be studied by analysing vibration signals in the frequency domain. Tests applied using a suitable experimental apparatus confirmed the numerical results. In the power spectrum, the lack of a tooth caused variations in peak amplitudes at multiples of the belt running frequency. In this study, where low frequencies were investigated, the displacement sensor performed better than the accelerometer for vibration measurements.


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    Titel :

    Detection of Reduced Tooth Stiffness in Synchronous Belts by Means of Pulley Vibration Monitoring


    Beteiligte:
    Basso, R (Autor:in)


    Erscheinungsdatum :

    2006-07-01


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






    Synchronous belts

    Zaiss,J.J. / Uniroyal,GB | Kraftfahrwesen | 1979


    Synchronous pulley set

    YUAN QUANQIAO / TAN QIANG / KONG WEILI | Europäisches Patentamt | 2020

    Freier Zugriff

    Specialized synchronous belts

    Roos,D.E. / Gates Rubber,US | Kraftfahrwesen | 1989