To low drawing in flange part,the blank holder can be used as punch,and the effect is good. 對于凸緣部位的淺拉深,采用壓邊圈兼作淺拉深凸模的作用,取得較好的效果。
Abstract: Blank holder structure and blank holder force （BHF） are very important to the part quality in deep drawing. 摘 要: 壓邊結構及壓邊力對板料拉深成形質量有著重要影響。
The system is made of hydraulic press,rectangular box drawing die of divided blank holder,hydraulic part of blank holder and control part. 該系統(tǒng)主要由液壓機、壓邊圈分區(qū)的矩形件拉深模具、壓邊裝置的液壓部分以及控制部分組成。
It was shown that the contradiction between wrinkle and crack can be settled by flexible blank holder forming.The relation between crac... 而采用柔性壓邊多點成形方式可以有效避免起皺和拉裂,大大提高變形量,得到更好的成形結果。
The segment blank holder with a multi-pin system was first designed to load the blank-holder force (BHF) independently in different area of a sheet. 首先設計了分塊壓邊板，采用多點頂桿結構提供拉深所需的壓邊力，各個頂桿之間相互獨立，可在板料不同的區(qū)域實現不同的壓邊力加載。