著者
辛島 恵美子
出版者
公益社団法人 日本金属学会
雑誌
日本金属学会誌 (ISSN:00214876)
巻号頁・発行日
vol.66, no.12, pp.1236-1245, 2002 (Released:2008-04-24)
参考文献数
27

The Shinkansen Line has experienced no serious car-accidents since its operation start in 1964. Why has the Shinkansen Line been able to keep such a good safety performance? This paper intends to clarify the background and the reasons why those miracles became possible—when, what kinds of risks and what kinds of actions the staff of the Japanese National Railways took in, who participated in the development of the Tokaido Shinkansen railway-axles in 1950s∼1960s as a designer, an investigator, a maintenance engineer, an inspector, or a top executive in technology. I discovered all the staff had been dedicated to their duties and their actions were prudent enough in general. As a result their behaviors have reduced the riskiness of their works objectively. But the most of the staff were not so much sensitive to risk itself as a few technical top executives of JNR. For example when the inspectors first found unexpected micro cracks on the 20% running axles in 1965, the top executives adapted a new management system in 1966 based on those inspections, which contained a systematic long-range R&D plan of high-quality railway-axles as well as an effective risk management for micro cracks.

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・x・)1966年の「新幹線ひかり号車軸折損事故」について調べてた。 日本金属学会誌66号では 「高周波焼入焼戻し後の研削工程中,停電でグラインダ砥石の局部的異常押し付けが発生し,表面層の一部が再焼入され」 とある。よく調べたもの… https://t.co/htxx9zRFlA
@adamayt 新幹線は1966年に車軸が折れるという事故があって、今、起きたら大問題になっていただろうね。 https://t.co/HieorNmuyK 複雑な機構で、暗い場所をどのように監視するのか、技術開発が必要だよね。
>十河・島のコンビが新幹線をつくったともいわれる.…国鉄内部の評価は厳しく,1960年4月に立ち上がった新幹線総局は新幹線関東軍とも呼ばれた.当時東海道本線の輸送力増強に異論はなかったものの,方法は大きく新幹線派と本線増強派に割れ… https://t.co/e3T2JQ5Ppq
ちょうど面白い記事が出てきた(PDF)https://t.co/aXR0SCMXiO

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