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
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