发明名称 Deep drawing method of stainless steel for preventing breakage
摘要 <p>According to the present invention, a deep drawing method for stainless steel sheet is characterized in that a flange part of the stainless steel sheet is divided into a low temperature area and a high temperature area and is heated to form a temperature gradient on the flange part; and the low temperature are is processed into a corner part in order to prevent a necking from being generated.</p>
申请公布号 KR101504418(B1) 申请公布日期 2015.03.19
申请号 KR20130056715 申请日期 2013.05.20
申请人 发明人
分类号 B21D22/20;B21D37/16 主分类号 B21D22/20
代理机构 代理人
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