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
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