blank drawing force

The optimization of drawing technique was researched, and the influence of different blank holder force and minimum die fillet radius on stamping forming was studied as well.

对该零件成形工艺进行了优化，研究了不同的压边力、最小模具圆角半径对冲压成形的影响，通过对模拟结果的分析得出了空调前板的最优化成形方案。

The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.

研究结果表明，合适的压边力和液体压力能控制盒形件拉深缺陷的发生，采用液压拉深盒形件可获得更好的壁厚分布。

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。