METHOD FOR REPAIRING DIE FOR EXTRUSION AND REGENERATED DIE FOR EXTRUSION

PURPOSE:To entirely obviate the need of gauging, reduce the labor of a worker and repair a damaged part with a high precision. CONSTITUTION:An overlay 40 is formed on the damaged part of a mandrel 18 by a build-up welding. Then, after the external size is shaped on the overlay part 40 by machining,...

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Hauptverfasser:	NISHIURA TADAO, HANAOKA TERUHIKO, RIKUNO KEIZOU, TAKASAKI ARIE, MIYOSHI TSUTOMU, NAGAYOSHI MANABU, YAMAMOTO TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TRANSPORTING UNIVERSAL MACHINE TOOLS WELDING WORKING BY LASER BEAM WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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