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中形シームレス鋼管圧延の自動制御

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川崎製鉄技報 KAWASAKI STEEL GIHO

Vol.13 (1981) No.1

中形シームレス鋼管圧延の自動制御

Automatic Rolling System of Medium Diameter Seamless Pipe by Process Computer Control

佐山 泰弘(Yasuhiro Sayama) 冨樫 房夫(Fusao Togashi) 江島 彬夫(Akio Ejima) 阿倍 英夫(Hideo Abe) 船生 豊(Yutaka Funyu) 桜田 和之(Kazuyuki Sakurada) 間口 龍郎(Tatsuro Maguchi) 田口 芳男(Yoshio Taguchi)

要旨 : 知多製造所中径シームレス鋼管工場において,加熱炉制御を含む圧延の自動制御システム を開発した。圧延制御モデルは圧延条件のプリセット,学習制御ならびに一部のAGC によ り構成されている。これらの制御システムを精度よく運用するために,トラッキング,オ ペレーターガイド,データロギング,データ解析ならびに工具類履歴管理などの各種シス テムをも同時に開発した。本圧延自動制御システムはビレット加熱からサイザー圧延まで のすべての圧延ラインに適用され,従来の圧延方式に比較して,管の寸法精度,歩留りお よび生産性は大幅に向上した。本報告では各ミルの圧延制御システムの概要ならびにその 適用効果について論じている。 Synopsis :

Heavy steel plates are incresingly demmanded by many industrial sectors, and the quality requirements for reliabilty are getting more stringent. In order to meet these requirements, Kawasaki Steel Corp. has developed manufacturing techniques for ultra-wide and heavy steel plates up to 5300mm in width and 95 tons in unit product weight through the establishment of techniques for removing phoshorus, sulfur, and hydrogen, as well as the study of optimum shape of mold for large ingot.

(c)JFE Steel Corporation, 2003

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