发明名称 Multi-step press forming method and forming machine
摘要 <p>A multistage press molding method and a molding machine are disclosed. The multistage press molding method according to the embodiment of the present invention, an object to be molded is arranged on a lower mold including a molding groove and an auxiliary groove on the outer side of the molding groove and primarily molded in the auxiliary molded. A main molding process of the object to be molded is performed in the molding groove while the object to be molded is fixed on the lower mold so that a product is molded.</p>
申请公布号 KR101415743(B1) 申请公布日期 2014.07.07
申请号 KR20120060493 申请日期 2012.06.05
申请人 发明人
分类号 B21D22/20;B30B15/02 主分类号 B21D22/20
代理机构 代理人
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