发明名称 METHOD FOR WARM WORKING PLATED STEEL FOIL
摘要 PROBLEM TO BE SOLVED: To provide a method for warm working a plated steel foil capable of preventing occurrence of cracks and more securely performing deep drawing even in a case of a plated stainless steel foil having a thickness of 300 μm or less.SOLUTION: A plated steel foil 2 having a thickness of 300 μm or less is disposed so as to face a punch 12, and the plated steel foil 2 is subjected to a drawing process in a state where an annular region 2a of the plated steel foil 2 with which a shoulder part 12d of the punch 12 comes into contact is set to be 20°C or less and an external region 2b of the annular region 2a is set to be 40°C or more and less than the melting point of the plating metal.
申请公布号 JP2014069202(A) 申请公布日期 2014.04.21
申请号 JP20120215867 申请日期 2012.09.28
申请人 NISSHIN STEEL CO LTD 发明人 NORITA KATSUNARI;MIURA NORIMASA
分类号 B21D22/20 主分类号 B21D22/20
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