METHOD FOR CUTTING OFF HIGH-Ni-ALLOY

PROBLEM TO BE SOLVED: To provide a method for quickly cutting off an alloy without interrupting the operation of a casting apparatus in continuous casting of the alloy, such as a high-Ni-alloy. SOLUTION: In the method for cutting off the continuously cast alloy by using a torch, the torch comprises...

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Bibliographische Detailangaben
Hauptverfasser:	ISHII TERUAKI, MIYAZAKI YOSHIHARU, TODOROKI HIDEKAZU, MIZUNO KENJI, HONGO ATSUYA
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 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 POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for quickly cutting off an alloy without interrupting the operation of a casting apparatus in continuous casting of the alloy, such as a high-Ni-alloy. SOLUTION: In the method for cutting off the continuously cast alloy by using a torch, the torch comprises a nozzle for supplying propane gas and oxygen gas, two to four of nozzles for supplying Fe powder and/or Al powder as a combustion auxiliary, a powder tank for storing the powder, and an ejector for ejecting the powder. The content of Al powder is 20 to 50 mass% of the total powder of the combustion auxiliary. The ejector has the shape directed vertically downward with respect to the powder tank. The alloy is cut off by supplying the propane gas, the oxygen gas, and the combustion auxiliary by means of the torch. COPYRIGHT: (C)2008,JPO&INPIT