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1·The research of the BHF control is an important content during the sheet metal forming process.

力的控制研究是板料冲压成型过程中的一个重要内容。

2·Different blank-holder gaps and separation forces are used to control the blank holding force (BHF).

压边力采用不同的压边间隙和施加不同的分离力来实现。

3·Based on the prerequisite of no cracking, the fit constant BHF was acquired from reasonable blankholder gap control.

基于不破裂前提，从合理压边间隙控制中获得常压边力控制所需的恒定压边力。

4·It is showed that the limit drawing height could be greatly improved as a variable BHF deep-drawing process was adapted.

结果表明，变压边力拉深工艺能够极大提高板料的极限拉深高度。

5·The BHF can be reasonably changed with the wrinkling law by control system, so the flange formability and the part quality can be imp…

拉深过程中压边力通过控制系统可以随拉深起皱规律而合理变化，有效地改善法兰区变形的不均匀性，提高盒形件的成形质量。

6·The simulated thickness with separation force is smaller than that with blank-holder gap because the BHF is variable in the flange region.

采用分离力时的模拟厚度比压边间隙小是由于法兰区域的变压边力。

7·The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of workpieces were analyzed.

分析了压边力的作用及其大小对成形性能和成形质量的影响，提出了适用于这种冲锻组合工艺的压边条件，并进行了工艺试验验证。

8·The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of combined stepped-hole were analyzed.

分析了压边力的作用及其大小对这种复合台阶孔成形性能和成形质量的影响。

9·As we spend 60% of our day in the workplace, the BHF is encouraging employers to make them healthier places for their staff through our 'Think Fit' programme.

既然我们每天60%的时间在工作场所，英国心脏基金会鼓励雇主们通过“ Think Fit ”项目，为了他们的员工，把工作场所打造成更健康的地方。

10·The operation speed of BHF production line is stepless computer-controlled to realize the stable operation speed and simple operation of the production line.

BHF型生产线工作速度采用电脑控制无级调速，使该生产线运行速度稳定，操作简单。