用温差拉深工艺成形深筒形件能大幅度降低拉深系数，减少拉深次数，降低生产成本。
Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost.
材料性能参数和摩擦系数的实时识别是实现拉深过程智能化控制的关键。
The real-time identification of material properties and friction coefficient is as the key to intelligent control of deep drawing process.
通过拉深工艺试验证明该曲面凹模可以达到很小的极限拉深系数。
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
坯料的极限拉深系数是一种重要的冲压性能指标，它是决定拉深工艺方法的基本依据。
The limiting drawing rate is a very important index of blank's pressing capability, and it is the basic reference deciding to drawing pressing technology.
因此，进行圆筒件极限拉深系数的优化设计十分必要。
Thus, the optimization design for the limiting drawing parameter of the cup-drawing process is very necessary.
主要介绍利用探针和传感器测定拉深过程中摩擦系数的实验方法，据此获得变形区内摩擦系数的分布情况。
A method with probe and sensors is recommended to determine, the dynamic coefficient of friction in deep-drawing process.
拉深系数为0.39的两种零件，从试制到生产，证明了锥形凹模是可以实现深拉深的模具。
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
文中得出的工艺参数对极限拉深系数的影响规律为实际生产中工艺选择及制订提供了可靠的理论依据。
The effect laws of process parameters on limit drawing coefficient which has been deduced in this paper provide a reliable theoretical basis for choice and design of the process in practice.
另外，拉深温度的降低，冲压速度的增加，摩擦系数的增大都会使拉深时的最大冲程力增大。
In addition, the decline of the temperature, the raise of the drawing velocity, the raise of the friction coefficient all could lead to the increase of the maximum stroke force.
拉深系数是影响拉深件质量的关键因素。
The drawing coefficient is a key factor which can influence the quality of drawing parts.
曲面凹模拉深与普通平端面凹模拉深相比，能够降低极限拉深系数，减少工序，提高效率和降低成本。
Compared with general die, to use curved die can reduce limit drawing coefficient, reduce procedures, raise efficiency and reduce costs.
分析了影响板料拉深成形极限拉伸系数的因素，指出压边力参数对LDR具有不可忽视的影响，并给出了改造单动液压拉深压边力控制系统提高LDR的方法。
Impact factors of deep drawing LDR are analyzed. parameter BHF which can not be looked down upon is pointed out. Method of rebuilding single press machine for improving LDR is proposed.
分析了影响板料拉深成形极限拉伸系数的因素，指出压边力参数对LDR具有不可忽视的影响，并给出了改造单动液压拉深压边力控制系统提高LDR的方法。
Impact factors of deep drawing LDR are analyzed. parameter BHF which can not be looked down upon is pointed out. Method of rebuilding single press machine for improving LDR is proposed.
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