Mannesmann, M.

Japanese: Mannesmann,M.(英語表記)MannesmannM
Mannesmann, M.

…However, cold rolling of steel requires a large rolling load and power, so even at the beginning of the 19th century, it was only possible to produce steel bars about 25 mm wide. A notable milestone in rolling technology during the 19th century was the invention of the tilt rolling method in 1885 by the German Mannesmann brothers Reinhard Mannesmann (1856-1922) and Max Mannesmann (1861-1915), who succeeded in producing raw material for tubes. This was also a groundbreaking invention in terms of rolling mills, because whereas previous rolling mills used two work rolls with parallel axes to stretch the material, in tilt rolling mills the roll axes are not parallel and are not on the same plane. …

*Some of the terminology that mentions "Mannesmann, M." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかし,鋼の冷間圧延は,大きな圧延荷重と動力を要するので,19世紀初めになっても幅25mm程度の条鋼を生産するのがやっとであった。19世紀の間での圧延技術の上での出来事は,ドイツのマンネスマン兄弟Reinhard Mannesmann(1856‐1922),Max Mannesmann(1861‐1915)が1885年に傾斜圧延法を発明して管の素材を製造することに成功したことである。これは圧延機の面からみても画期的な発明であり,それまでの圧延機が互いに平行な軸をもつ2本のワークロール(作業ロール)で材料を延ばしていたのに対して,傾斜圧延機ではロール軸が平行でなく同一平面内にはない。…

※「Mannesmann,M.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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