| 摘要 |
PROBLEM TO BE SOLVED: To provide a metallic die that realizes high precision, high speed machining without having a large stripper plate. SOLUTION: A punch 27 consists of: a main body 27a; an edge 27c formed at one end in the machining direction of the main body 27a; a stripper 27h arranged on the edge 27c side of the main body 27a; a tubular hole 27d formed in the machining direction in the main body 27a; a stripper support pin 27f having a head 27g restrained at one end in the tubular hole 27d, protruding from one end of the main body 27a to support the stripper 27h, and having the capability to operate in the axial direction of the tubular hole 27d; and a coil spring 27e stored in the tubular hole 27d while possessing a pressing force and designed to energize the stripper support pin 27f.
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