发明名称 DRAWING DIE STRUCTURE FOR PANEL PROCESSING OF AUTOMOBILE
摘要 PURPOSE: A drawing die structure is provided to produce a body panel of an automobile in a single action press and a double action press. CONSTITUTION: A drawing die structure of panel processing comprises a die(31), a punch(32) and a blank holder(33). The die has a first die surface(31a) in upper center portion to form a body panel of automobile. The die is an upper body in a single action press, and a lower body in a double action press. The punch has a second die surface(32a) in lower center portion to match with the first die surface. The blank holder is installed in the edge of the punch moving up and down to match with the upper surface of the die, thereby supporting body panel.
申请公布号 KR20030005850(A) 申请公布日期 2003.01.23
申请号 KR20010041308 申请日期 2001.07.10
申请人 HYUNDAI MOTOR COMPANY 发明人 KIM, YONG HUN
分类号 B21D22/20;(IPC1-7):B21D22/20 主分类号 B21D22/20
代理机构 代理人
主权项
地址
您可能感兴趣的专利