STP1077

    Applications of Acoustic Emission Techniques for Diagnosis of Large Rotating Machinery and Mass Production Products

    Published: Jan 1991


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    Abstract

    In order to maintain efficient plant operability, better reliability and preventive maintenance are required. When a machine experiences some problem during use, operators must find the cause of trouble, then take measures to prevent serious damage. Acoustic emission (AE) is a useful means of machine condition diagnosis. The AE technique can detect incipient failure and locate the source.

    This paper describes applications of AE techniques for large rotating machinery diagnosis, development of diagnosis systems using algorithms obtained from AE characteristics analyses, and applications for the diagnosis of rotary compressors in air conditioners.

    Keywords:

    acoustic emission, machine condition diagnosis, rotating machinery, mass production products


    Author Information:

    Sato, I
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,

    Yoneyama, T
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,

    Sato, K
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,

    Tanaka, T
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,

    Yanagibashi, M
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,

    Takikawa, K
    researchersengineersengineers, Energy Research Laboratory, Hitachi Ltd.Tochigi Works, Hitachi Ltd.Hitachi Engineering Service Company, Hitachi-shi, IbarakikenShimotsuga-gun, Tochigi-kenHitachi-shi, Ibaraki-ken,


    Paper ID: STP19101S

    Committee/Subcommittee: E07.04

    DOI: 10.1520/STP19101S


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