发明名称 LOAD-APPLYING DEVICE, PRESS-FORMING DIE, AND PRESS-FORMING METHOD
摘要 A load-applying device of a press-forming die includes a rod which includes a first end, a second end, and a flange, a lamination coned disc spring in which a plurality of coned disc springs having a center hole are laminated, a first plate which includes a first through hole and abuts the lamination coned disc spring, a second plate which includes a second through hole and abuts the flange; and a gap fixing member which is detachably provided between the first plate and the second plate and fixes a gap between the first plate and the second plate so as to maintain the gap by which the lamination coned disc spring biases the flange to the second plate. The second end and the first plate relatively move in a mutually approaching direction during press-forming, and the lamination coned disc spring is compressed.
申请公布号 CA2828189(C) 申请公布日期 2016.09.06
申请号 CA20122828189 申请日期 2012.02.24
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION;H-ONE CO., LTD. 发明人 YOSHIDA, TOHRU;TOYODA, DAISUKE
分类号 B21D24/12;B21D24/02 主分类号 B21D24/12
代理机构 代理人
主权项
地址