Method of cutting steel products in a rolling line
AssigneesNKK Corporation, Toa Steel Co., Ltd.
InventorsGiichi Matsuo, Akio Mehara, Tsuyoshi Nakano, Daizo Kobayashi, Motosuke Sugahara
Life of this patent
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Abstract
A multiplicity of cooled steel products, after having been severed from an as-rolled steel, divided into sectional bars and delivered to and accumulated on a cooling hearth, are taken from the cooling hearth, and delivered to a multi-bar straightening machine. There, simultaneously with straightening, a predetermined distance from the leading ends of the bars is measured simultaneously, the forward movement of the bars is interrupted after they have advanced by said measured distance, and said forward portions are cut.
Claims1
A method of processing promptly a sequence of bar pieces severed from an as-rolled steel as it issues from a rolling line, divided into sectioned bars having leading ends and lengths of a cooling hearth, and delivered to and accumulated on the cooling hearth, comprising simultaneously taking out a multiplicity of said steel pieces from said cooling hearth soon after said delivery thereto, forwardly moving said multiplicity to a multi-bar straightening machine, measuring, simultaneously with said straightening, a predetermined distance from the leading ends of said pieces simultaneously, interrupting the forward movement of said pieces after they have advanced by said measured distance, and simultaneously cutting off from the leading ends of said pieces lengths of said measured distance in one lot.
Dependencies are inferred from the claim text.