Consideration of Occupational Accidents Caused by Existing Non-conforming Aging Power Machinery

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  • Watanabe Junya
    Research and Consulting Division, Mitsubishi Chemical Research Corporation

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  • 老朽化した既存不適合機械による労働災害に関する考察

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Abstract

<p>According to the occupational accident statistics published annually by the Japan Ministry of Health, Labour and Welfare, a disturbingly high rate of occupational accidents by machinery categorized as “drawn into a machine” occurs in the manufacturing industry. The report entitled “Survey and Analysis Project for Safety Measures in Aging Production Equipment” by the Japan Ministry of Health, Labour and Welfare shows the occurrence of numerous occupational accidents due to insufficient protection measures with aging machines. In my study, the remaining number of aging machines which still have insufficient protection measures, herein defined as existing non-conforming aging machines, is estimated. Subsequently, a correlation between the trend of the estimated remaining number of machines and the annual rate of fatal accidents caused by such is analyzed. The results reveal that the trends with the remaining number of machines correlate well with trends in the rate of fatal accidents. It was found that safety measures for existing non-conforming aging machines are essential to reduce accidents caused by these non-conforming machines.</p>

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