A method of applying blank holding force is proposed.
提出了一种适用的压边力施加方法。
A new structure, with constant blank holding force provided by spring and rubber, is proposed.
提出了以弹簧或橡胶作为弹性元件压边，可提供常压边力的新结构。
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。
A new method has been used to simulate the actual blank holding process in deep drawing of a washing trough.
采用新的研究方法模拟水槽拉伸的实际压边过程。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
The new V-shape binder surface improving the flowing direction of material during blank holding was proposed to restrain the wrinkle effectively.
针对皱折提出了一种新的V形压料面的模具结构，改善了压边时材料的流动方向，有效避免了皱折的产生。
The results for forming process of cylindrical parts show that it can carry out blank holding for different radial deformation zones by radial segmental blank-holder technique.
研究结果表明，与传统压边方法相比，采用径向分块压边方法可以对径向不同变形质点分别压边，有效提高拉深成形极限，并获得更好的压边效果。
Therefore it is necessary to study forming characteristic of conical part, to analyze various parameters'influence on its forming limit, and to define reasonable blank holding force(BHF).
圆锥形零件是曲面类零件中较为典型的零件，对其冲压成形过程的研究是进行曲面类零件研究的基础。
The good velocity controllability of servo-dynamo can be used to realize variable blank holding force control through adjusting the force on sheet metal blank with a holding force adjusting equipment.
利用伺服电机良好的速度可控性，可以通过压边力调节装置调整作用在板坯上的压边力的大小，更容易实施变压边力控制。
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 thought of holding a fixed grin as the camera performed its magical duties was too much to contemplate, and so a non-committal blank stare became the norm.
当摄像机在执行它的神奇的职责时，你就要保持露齿笑，这实在是太让人难以想象了，于是，一种坚定而茫然的凝视成了常态。
I climbed up there once, then never again: jaws hanging open, blank stares, the two of them sitting against the wall, insulation in their hair, holding hands.
我爬上去了一次，然后就再也没去过：我见到他们两人垂着下巴，无神地睁着眼，手拉着手靠坐在墙脚，头发上沾着些隔热纤维丝。
The top part of one inner bolt which matches the blank hole channel of the outer hollow screw is also conical. The rear is provided with a thread and a tetragonal body for holding.
一与外空心螺钉的盲孔道相匹配的内螺栓，内螺栓的尖端部位亦为锥形，尾部设有螺纹和供握持用的四方体。
The top part of one inner bolt which matches the blank hole channel of the outer hollow screw is also conical. The rear is provided with a thread and a tetragonal body for holding.
一与外空心螺钉的盲孔道相匹配的内螺栓，内螺栓的尖端部位亦为锥形，尾部设有螺纹和供握持用的四方体。
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