发明名称 |
Walzumschlagverfahren und umgeschlagenes Element |
摘要 |
<p>In a roller hemming method for folding a flange erected from a workpiece by pressing a working roller against the flange and moving the working roller relative to the flange, the flange is folded by: a first temporary bending step of bending a tip-side portion of the flange into a state that the tip-side portion is inclined; a second temporary bending step of bending a remaining, base-side portion of the flange into a state that the base-side portion is inclined; and a full bending step of bending the thus-bent flange into a final shape so that the flange is into contact with a flange-proximate portion.</p> |
申请公布号 |
DE102007049317(B4) |
申请公布日期 |
2010.01.21 |
申请号 |
DE20071049317 |
申请日期 |
2007.10.15 |
申请人 |
HONDA MOTOR CO. LTD. |
发明人 |
HASEGAWA, EISAKU;MIWA, HIROSHI;TAKEISHI, KATSUMI;NAKAMURA, TAKESHI |
分类号 |
B21D5/16 |
主分类号 |
B21D5/16 |
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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