发明名称 FINE BLAKING PUNCH
摘要 PURPOSE: A fine blanking punch is provided to reduce manufacturing and maintenance costs and enhance durability since a body is separable. CONSTITUTION: A fine blanking punch(1) comprises a punching block(20) and a fixing flange(10). The fine blanking punch is fixed to an upper mold and shears a metallic plate(P) placed on a die(13) to cut the blanking product. The punching block enters the hollow of the die fixed to a lower mold to cut the blanking product from the metallic plate. The fixing flange fixes the upper part of the punching block to the upper mold. An assemblable through hole is formed on the fixing flange and the upper part of the punching block enters the through hole. The punching block is separated from the fixing flange.
申请公布号 KR20120005239(A) 申请公布日期 2012.01.16
申请号 KR20100065874 申请日期 2010.07.08
申请人 AST CORPORATION 发明人 LEE, SANG LAK
分类号 B21D28/14;B21D28/26;B21D28/34;B26F1/44 主分类号 B21D28/14
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