发明名称 |
Formed material manufacturing method and formed material |
摘要 |
A formed material is manufactured by performing forming including at least one drawing-out process and at least one drawing process performed after the drawing-out process. A punch 31 used in the drawing-out process is formed to be wider on a rear end side than on a tip end side. By pushing a raw material metal plate into a pushing hole 30a together with the punch 31, ironing is performed on a region of the raw material metal plate corresponding to a flange portion. |
申请公布号 |
AU2014382226(A1) |
申请公布日期 |
2015.10.08 |
申请号 |
AU20140382226 |
申请日期 |
2014.05.14 |
申请人 |
NISSHIN STEEL CO., LTD. |
发明人 |
NAKAMURA, NAOFUMI;YAMAMOTO, YUDAI;KUROBE, JUN |
分类号 |
B21D22/28;B21D22/20;B21D22/30;B21D51/26;B21D53/00 |
主分类号 |
B21D22/28 |
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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