Simple tunnel steel arch frame and connecting plate welding machining positioning device

The utility model discloses a simple positioning device for welding and processing a tunnel steel arch and a connecting plate. The simple positioning device comprises a left positioning plate and a right positioning plate, the left positioning plate and the right positioning plate are arranged in pa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RUAN HUAWEI, ZHENG HUANYU, HE ZHULIN, ZHANG WEN, TANG ZHENHUA
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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