A global-local integrated study of roller chain meshing dynamics

S. P. Liu, K. W. Wang, S. I. Hayek, Martin Wesley Trethewey, F. H.K. Chen

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    It has been recognized that one of the most significant noise sources in roller chain drives is from impacts between the chain and the sprocket during their meshing process. In this paper an analysis is presented which integrates the local meshing phenomena with the global chain/sprocket system dynamic behavior. A coupled chain/sprocket system interacting with local impacts is modelled and the impulse function is derived. A study is carried out to quantify the intensity of subsequent impacts. It is found that the coupling effects between the sprockets, the chain spans, and the chain/sprocket meshing impulses increase with decreasing sprocket inertia and chain longitudinal stiffness. Experimental studies are also carried out to evaluate the meshing noise. It is found experimentally that the meshing sound pressure level is closely related to the chain speed and its vibrational characteristics, as predicted in the analytical study.

    Original languageEnglish (US)
    Pages (from-to)41-62
    Number of pages22
    JournalJournal of Sound and Vibration
    Volume203
    Issue number1
    DOIs
    StatePublished - May 29 1997

    Fingerprint

    Sprockets
    rollers
    Mechanical drives
    impulses
    Dynamical systems
    sound pressure
    Stiffness
    Acoustic waves
    inertia
    stiffness

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Mechanics of Materials
    • Acoustics and Ultrasonics
    • Mechanical Engineering

    Cite this

    Liu, S. P. ; Wang, K. W. ; Hayek, S. I. ; Trethewey, Martin Wesley ; Chen, F. H.K. / A global-local integrated study of roller chain meshing dynamics. In: Journal of Sound and Vibration. 1997 ; Vol. 203, No. 1. pp. 41-62.
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    abstract = "It has been recognized that one of the most significant noise sources in roller chain drives is from impacts between the chain and the sprocket during their meshing process. In this paper an analysis is presented which integrates the local meshing phenomena with the global chain/sprocket system dynamic behavior. A coupled chain/sprocket system interacting with local impacts is modelled and the impulse function is derived. A study is carried out to quantify the intensity of subsequent impacts. It is found that the coupling effects between the sprockets, the chain spans, and the chain/sprocket meshing impulses increase with decreasing sprocket inertia and chain longitudinal stiffness. Experimental studies are also carried out to evaluate the meshing noise. It is found experimentally that the meshing sound pressure level is closely related to the chain speed and its vibrational characteristics, as predicted in the analytical study.",
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    A global-local integrated study of roller chain meshing dynamics. / Liu, S. P.; Wang, K. W.; Hayek, S. I.; Trethewey, Martin Wesley; Chen, F. H.K.

    In: Journal of Sound and Vibration, Vol. 203, No. 1, 29.05.1997, p. 41-62.

    Research output: Contribution to journalArticle

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    AU - Liu, S. P.

    AU - Wang, K. W.

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    AB - It has been recognized that one of the most significant noise sources in roller chain drives is from impacts between the chain and the sprocket during their meshing process. In this paper an analysis is presented which integrates the local meshing phenomena with the global chain/sprocket system dynamic behavior. A coupled chain/sprocket system interacting with local impacts is modelled and the impulse function is derived. A study is carried out to quantify the intensity of subsequent impacts. It is found that the coupling effects between the sprockets, the chain spans, and the chain/sprocket meshing impulses increase with decreasing sprocket inertia and chain longitudinal stiffness. Experimental studies are also carried out to evaluate the meshing noise. It is found experimentally that the meshing sound pressure level is closely related to the chain speed and its vibrational characteristics, as predicted in the analytical study.

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