Self-excited vibration induced in paper-feed-roller in electrophotography copy machine

Hiroyuki Kawamoto*

*この研究の対応する著者

    研究成果: Article査読

    2 被引用数 (Scopus)

    抄録

    Theoretical and experimental investigations have been performed to clarify the mechanism of a self-excited chatter vibration induced in a paper-feed-roller system in an electrophotography copy machine. From results of the investigation, the following points were deduced: (1) The chatter vibration is induced only when a platen cover is pushed with a certain force and a paper does not exist between the roller and a platen glass, i.e., the roller slips against the platen glass. The experimental observation suggests that the vibration is a stick slip vibration induced by the negative speed dependence of the friction coefficient. (2) Calculated results based on the present model qualitatively agreed with experimental observations, and several methods to suppress the vibration were proposed. (3) The paper-feed-roller system must be designed to be (a) high damping, (b) low negative speed dependence of the friction coefficient, (c) small press force, and (d) low arm angle. The resonance frequency of the platen cover must be designed to be away from the resonance frequency and its ultraharmonic ones of the roller system.

    本文言語English
    ページ(範囲)398-402
    ページ数5
    ジャーナルJournal of Imaging Science and Technology
    43
    4
    出版ステータスPublished - 1999 7

    ASJC Scopus subject areas

    • コンピュータ ビジョンおよびパターン認識
    • 電子材料、光学材料、および磁性材料

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