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。

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Through the limiting drawing ratio tests, the influences of rolling, annealing, blank holder force, drawing gap, drawing temperature and speed on the forming performance were investigated.

通过极限拉伸比试验，研究了轧制、退火、拉伸温度、拉伸速度、拉延间隙以及压边力等工艺因素对镁合金板材成形性能的影响。

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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。

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"For a long time employers didn't know what they were getting unless they were drawing from a select group of schools, " says Robert Johnson, senior vice president at AIMR and holder of a Ph.

FORBES: Analysts for the world