发明名称 APPARATUS AND METHOD FOR FABRICATING SLEEVE PIN BY USING HEADING MACHINE
摘要 PURPOSE: An apparatus and a method for fabricating a sleeve pin are provided to improve productivity and to reduce processing time of a workpiece by forming an edge part or calking part formed in an inner surface of a sleeve pin through one extruding process using a heading machine. CONSTITUTION: A sleeve pin fabricating apparatus includes a casting mold(29) mounted on a die of a machine body so as to receive a workpiece. A first punch(32) is elastically inserted into the casting mold(29) in order to strike one edge part of the workpiece(13). A striking mold(30) is mounted on a reciprocating table. A second punch(34) is elastically inserted into the striking mold(30) so as to strike the other edge part of the workpiece(13). A third punch(36) is provided to strike a center portion of the workpiece(13).
申请公布号 KR20030062304(A) 申请公布日期 2003.07.23
申请号 KR20030046846 申请日期 2003.07.10
申请人 KANG, KUEEN SOO 发明人 KANG, KUEEN SOO
分类号 B21K1/48;(IPC1-7):B21K1/48 主分类号 B21K1/48
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