Automatic narrow-gap vertical welding method for ball valve

The invention discloses an automatic narrow-gap vertical welding method for a ball valve, belongs to the field of hydroelectric generating set equipment manufacturing, and solves the problems that in the prior art, the welding efficiency is low, and the welding quality is difficult to guarantee. Acc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LU HENGLIANG, DUAN WEIZAN, QIAO HONGLAI, WEI FANGKAI, ZHOU YUFEI, ZHOU JIYUAN, JIA RUIYAN, ZHANG SHUNZHI, WU XINGGANG
Format:	Patent
Sprache:	chi ; 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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