Manufacturing device of electric resistance welded metal tube and manufacturing method of electric resistance welded metal tube wherein the manufacturing device of electric resistance welded metal tube includes a pair of crushing rolls, a crushing roll adjusting mechanism and a crushing roll load meter

A manufacturing device of electric resistance welded metal tube includes a pair of crushing rolls 41 arranged on both sides of a metal strip 1 and pressed against inner corners of the metal strip before side ends of the metal strip 1 are butted to form an inclined surface at the inner corners; a cru...

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Bibliographische Detailangaben
Hauptverfasser:	OMOSAKO, KOUJI, TANAKA, RYOTA, AKIDUKI, MAKOTO, IGAWA, SHIGENOBU, MAKIHARA, YASUMASA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A manufacturing device of electric resistance welded metal tube includes a pair of crushing rolls 41 arranged on both sides of a metal strip 1 and pressed against inner corners of the metal strip before side ends of the metal strip 1 are butted to form an inclined surface at the inner corners; a crushing roll adjusting mechanism 42 for changing a separation distance of the pair of crushing rolls 41 to adjust a pressing load of the crushing roll 41 toward the inner corners; and a crushing roll load meter 43 for measuring the pressing load of the crushing roll 41 toward the inner corners.