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METHOD FOR PROCESSING METAL MOLDING MEMBER HAVING FINE CONFIGURATION, METHOD FOR MANUFACTURING METAL MOLDING MEMBER, EXTRUSION DIE, METHOD FOR MANUFACTURING EXTRUDED MEMBER, AND EXTRUDED MEMBER
METHOD FOR PROCESSING METAL MOLDING MEMBER HAVING FINE CONFIGURATION, METHOD FOR MANUFACTURING METAL MOLDING MEMBER, EXTRUSION DIE, METHOD FOR MANUFACTURING EXTRUDED MEMBER, AND EXTRUDED MEMBER
A molten residual layer formed on a surface 26 of an electric-discharge machined portion 12 of a metal molding member 1 is eliminated by using a tool 70 made by a wire discharge grinding method. According to the wire discharge grinding method, a minute tool which is high in processing accuracy and high in hardness can be obtained. Since the molten residual layer formed on a surface 26 of the portion 12 due to the electric-discharge machining is eliminated by using the tool, the molten residual layer can be eliminated uniformly with high accuracy.
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