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Manufacturing method of molding material

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专利名称:Manufacturing method of molding material发明人:Nakamura, Naofumi,Yamamoto, Yudai申请号:AU2016241822申请日:20160315公开号:AU2016241822A1公开日:20170928

摘要:By performing multi-stage drawing with respect to a material metal plate, amolding material (1) having a cylindrical trunk portion (10) and a flange portion (11)formed at an end portion of the trunk portion is manufactured. In the multi-stagedrawing, a preliminary drawing that forms a preliminary body (20) having a trunk element(20a) from the material metal plate (2), a compression drawing that is performed at leastonce after the preliminary drawing and that forms the trunk portion (10) by drawing thetrunk element (20a) while applying compressive force, the pressure of which can beadjusted, to the trunk element (20a), and a finishing ironing that is performed at leastonce following the compression drawing and that is for securing dimensional accuracy.

申请人:Nisshin Steel Co., Ltd.

代理人:Shelston IP Pty Ltd.

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