The simulation test results obviously showed that VBHF had great effects to drawing formability of hot-galvanized sheet steel during the rectangular box drawing.
变压边力数值模拟试验结果表明，采用变压边力控制矩形件拉深成形过程时，变压边力对矩形件拉深成形特性影响显著。
The composition of rectangular box deep drawing system of divided variable blank holder force (VBHF) was discussed, its principle and work process of each portion were analyzed.
介绍了分区变压边力矩形件成形系统的组成以及各部分的原理结构，分析了各部分的工作过程。
The forming of box with TWBs based on a series of linearly increasing and decreasing variable blank holding forces(VBHF)over the stroke were studied by means of dynamic explicit finite element method.
应用动力显式数值模拟软件，研究了线性渐增和渐减变压边力下拼焊板盒形件的成形过程。建立了线性变压边力终止值随初始值变化的关系曲线，该曲线被拟合为二阶多项式曲线。
The forming of box with TWBs based on a series of linearly increasing and decreasing variable blank holding forces(VBHF)over the stroke were studied by means of dynamic explicit finite element method.
应用动力显式数值模拟软件，研究了线性渐增和渐减变压边力下拼焊板盒形件的成形过程。建立了线性变压边力终止值随初始值变化的关系曲线，该曲线被拟合为二阶多项式曲线。
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