MANUFACTURE OF DEFORMED SECTION BAR STRIP

PURPOSE:To manufacture a deformed section bar strip having good dimensional accuracy by rolling a central thick part and both thin side parts by respective specific drafts for manufacturing a protrudent section bar strip consisting of a thick central part and both thin side parts after annealing and...

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Bibliographische Detailangaben
Hauptverfasser:	KATO KOICHI, ASAI MASATO, SHINOZAKI ISAMU, OYAMA YOSHIMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To manufacture a deformed section bar strip having good dimensional accuracy by rolling a central thick part and both thin side parts by respective specific drafts for manufacturing a protrudent section bar strip consisting of a thick central part and both thin side parts after annealing and rolling a bar strip. CONSTITUTION:A protrudent deformed section bar strip consisting of a thick central part 2 and both thin side parts 3, 3 integrally formed in the width direction is manufactured after a copper alloy is formed into a bar strip by hot and cold rolling. In this time, the thick central part 2 and the thin side parts 3, 3 are rolled by respective drafts of =50% after the bar strip is annealed at a temp. in 300-650 deg.C. By performing the annealing and rolling at least one time, a protrudent section bar strip 1 having good dimensional accuracy is manufactured with the good material yield.