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Although this kind of die holder is more complicated than that of three-motion forcing machine, it don't depend on the import and then decrease the cost under required precision, which meets the case in China.

虽然这种模架结构不如三动压力机上的模架的结构简单，但是既不必依靠进口的精冲压力机，又可以在保证加工精度的前提下降低成啊本，适合我国现阶段使用精冲技术的厂家进行精冲件的生产。

A kind of gas-and-liquid springy pressure setting was designed for fine blanking die holder.

磨损后也不用拆卸模架，更换零件，这样，保证了模架高寿命的特点。

The load cell on the die holder measures the pulling tension to which the strand is subject for accurate control; this value is displayed and recorded.

为精确控制，模座上的测压元件测量支配裸绞线的拉力，该数值被显示和记录。

The results show that the die radius, blank holder force and friction coefficient are all significant on the forming process.

结果表明，单位压边力、摩擦系数、凹模圆角半径对拉深过程均有显著影响，其中贡献率分别为凹模圆角半径41.04%，摩擦系数30.27%，压边力24.68%。

A three-dimensional finite-element model, which includes plate, punch, die and holder pad, is established to simulate the drawing process based on the characteristics of the square box part.

根据方盒形件的特点，本文建立了包括板料、凸模、凹模以及压边圈在内的三维有限元分析模型。

A quarter model is used to simulate for the reason of symmetry. Punch, die and holder pad are regarded as rigid body because of little deformation.

考虑到对称性，取四分之一模型进行有限元模拟，由于凸模、凹模以及压边圈变形都很小，故将其视为刚体。

Then triaxial elastic finite element model was made through ANSYS software for U-type die holder with numerical simulating analysis and proofread of stress and strain.

在精度要求高时，这种精冲模架可实现一次精密成形，大大降低劳动强度，提高劳动生产率，是一种先进而实用的加工方法。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸比直接体现在拉延凸模和板料边缘之间的关系--拉延凸模和板料边缘之间的距离越大，限制流动的阻力越大，主要是因为在压边圈和凹模表面间有额外金属板表面被夹紧。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸率直接体现在拉伸冲头和展开平板边缘之间的关系---拉伸冲头和展开平板边缘之间的距离越大，限制流动的阻力越大，主要是因为在压边圈和模具表面间有额外金属板表面被夹紧。试着用不同尺寸和外形的展开平板进行实验。

After an investigation on the rules of this deep drawing process, a virtual orthogonal experimental design is adopted to determine the significance of processing parameters, die radius, blank holder force and friction coefficient, on the forming process.

同时，采用正交试验分析方法，研究了单位压边力、摩擦系数、凹模圆角半径和凸凹模间隙等工艺参数，对该拉深成形过程的影响规律。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！