METHOD FOR WELDING COLD ROLLED STEEL PLATE

PROBLEM TO BE SOLVED: To provide a method for welding cold rolled steel plates, in which the occurrence of such a welding defect as tearing apart of the welded parts is accurately prevented in a welding apparatus (a mash seam welding apparatus) disposed in a cold rolled steel plate processing line.S...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKUTA MITSURU, WATANABE TAKAHIRO, YUKI KEI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for welding cold rolled steel plates, in which the occurrence of such a welding defect as tearing apart of the welded parts is accurately prevented in a welding apparatus (a mash seam welding apparatus) disposed in a cold rolled steel plate processing line.SOLUTION: The method includes adjusting the roll-separating force P of a pair of drive rotary-type planishing rolls 3 (a rolling-reduction cylinder 4) based on the total amount T of the plate thickness t1 of a preceding cold rolled steel plate 1a and the plate thickness t2 of a succeeding cold rolled steel plate 1b.