NOZZLE STUB MAG WELDING METHOD AND WELDING MACHINE

PROBLEM TO BE SOLVED: To realize automatic MAG welding and to enable high efficiency/high quality mounting by welding when a nozzle stub is subjected to mounting by welding to a member to be mounted. SOLUTION: A parallel narrow groove 3 is formed around a nozzle stub 2, after discharge of a shield g...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIKI HISASHI, IMADA TAKEHIKO, KAMEI HIROMASA, MASAKI TSUTOMU, TAKAGISHI MASAHARU, KUSHIMOTO SHOJI, FUKUNAGA YOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To realize automatic MAG welding and to enable high efficiency/high quality mounting by welding when a nozzle stub is subjected to mounting by welding to a member to be mounted. SOLUTION: A parallel narrow groove 3 is formed around a nozzle stub 2, after discharge of a shield gas is started from an auxiliary shield ring 9 toward the groove 3, while rotation of a welding torch 7 and a curved tip 8 make a wire tip depict a circular arc and oscillate, the inside of a groove 3 is welded by turning/travelling the welding torch 7, the welding torch is turned by one round around the stub 2 and then reversed, by repeating this, a weld metal is laminated, mounting of the stub 2 to a member 1 to be mounted is made.