Exothermic welding sand mold riser and preheating test method

The thermit welding sand mold riser comprises a sand mold contour lower surface used for being attached to the upper surface of the rail bottom of a steel rail, the sand mold contour lower surface is provided with a first riser body and a second riser body which are symmetrically arranged, and the f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ZHENG, CUI CHENGLIN, YANG YANLING, REN JINLEI, GAO SONGFU, ZHANG LEI, XU JIUBIN, SHI MENGLEI, WANG CHENG, SONG HONGTU, LIU YANG
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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