JP2661474B

PURPOSE:To control the fluctuation of the position of a welding part and to irradiate the welding part with high precision with a laser beam by restraining the oscillation in the circumferential direction of an open tube. CONSTITUTION:The edge parts E, E on both sides of a metal band are curved to f...

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Bibliographische Detailangaben
1. Verfasser:	HAYASHI TOMOTAKA
Format:	Patent
Sprache:	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 WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE:To control the fluctuation of the position of a welding part and to irradiate the welding part with high precision with a laser beam by restraining the oscillation in the circumferential direction of an open tube. CONSTITUTION:The edge parts E, E on both sides of a metal band are curved to face oppositely to each other with a forming roll, further formed in a shape enclosed with plural arcs projecting outside or an elliptic shape by means of a final fin pass roll 5, and after preheating by a high frequency preheater 7 and melting by a laser beam, the edge parts are held in-between and abutted with a squeezing roll 9 which is provided with a bore of nearly an identical shape as the bore of the fin pass roll.