发明名称 |
BURRING DEVICE FOR MANUFACTURING CYLINDRICAL FLANGE OF SUSPENSION ARM |
摘要 |
PURPOSE: A burring device for manufacturing a cylindrical flange of a suspension arm is provided to process the sharp end of the flange and to improve durability. CONSTITUTION: A burring device for manufacturing a cylindrical flange of a suspension arm comprises a die(60), a punch(70), and a pad(80). The die is separated into a lower body section and an upper processing section. The height of the upper processing section is shorter than the length of the protrusion(52) of a material(50). |
申请公布号 |
KR20120021831(A) |
申请公布日期 |
2012.03.09 |
申请号 |
KR20100080128 |
申请日期 |
2010.08.19 |
申请人 |
DONG HEE INDUSTRIAL CO., LTD. |
发明人 |
CHO, CHEOL HWAN;KWON, BOO KYOUNG;KIM, YOUNG JIN |
分类号 |
B21D28/16;B21D19/08;B21D31/00 |
主分类号 |
B21D28/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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