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厚板圧延におけるトリミングフリー厚鋼板製造技術の確立

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川崎製鉄技報

KAWASAKI STEEL GIHO Vol.20 (1988) No.3

厚板圧延におけるトリミングフリー厚鋼板製造技術の確立 Manufacturing of Trimming Free Plates

井上 正敏(Masatoshi Inoue) 西田 俊一(Shun-ichi Nishida) 大森 和郎(Kazuro Omori) 岡村 勇(Isamu Okamura) 藤岡 克志(Katsushi Fujioka) 片山 二郎 (Niro Katayama) 要旨 : 水島製鉄所厚板工場では,幅剪断が不要のトリミングフリー厚鋼板(TFP)の製造を目的 として,鉛および鋼片による基礎実験を行い,その結果をふまえて世界で初めて仕上げミ ル直近にエッジャを設置した。さらに,高切削精度を有した冷間ミーリング設備をシャラ イ ン に 設 置 し た 。 こ れ ま で に エ ッ ジ ャ に よ る 高 精 度 幅 制 御 シ ス テ ム の 構 築 ,MAS (Mizushima automatic plan view pattern control system)圧延法とエッジング圧延法の

最適化を図るとともに,冷間ミーリング設備による端面の高精度化を実現して,TFP 製造

技術を確立した。これらの新技術は,歩留り向上に大きく寄与するとともに,需要家の高 度化する寸法精度要求に対応できた。

Synopsis :

At the plate mill in Mizushima Works, the world's first edger attached to the finisher was installed which was based on the results of basic experiment with lead and hot steel and aimed at producing trimming free plates(TFP). A cold milling machine was installed in the shear line for producing TFF. The technology of producing TFP was realized by a highly accurate width control system of the edger, optimum combination of MAS(Mizushima automatic plan view pattern control system) rolling and edging, and highly accurate cutting by the milling machine. The new technology contributed to a high yield, responding to the demand for highly accurate plate dimensions by the user. (c)JFE Steel Corporation, 2003

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