Study on the Mechanisms of Minor-Stoppages

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  • チョコ停の発生メカニズムに関する研究
  • チョコ テイ ノ ハッセイ メカニズム ニカンスルケンキュウ

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Recently many factories are introducing automatic equipment in order to improve productivity and achieve low cost products. Minor-stoppages are one of the problems that hinder automatic productions. Mechanisms of minor-stoppages are not investigated generally, even though there are many case studies with investigations on each of the minor-stoppages. This paper tries to generalize mechanisms of minor-stoppages that are obtained through collections and analyses of many actual cases. Analyses are based on the point of view that there might be common mechanisms for many minor-stoppages occurred in varieties of equipment. As a result, the following conclusions are obtained. 1) Phenomena of minor-stoppages can be generalized 2) based on 6 basic working-functions of the equipment. Also, mechanisms of minor-stoppages can be generalized by dividing phenomena into three steps, that is, deviations from working conditions, failure in working function, and its influence. Causes of minor-stoppages are generalized based on 6 elements of the automatic equipment. These results help analysts to observe phenomena, list up causes, and come up with solution easily.

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