In this article, relations among reverse tension, friction coefficient and quality of wire are discussed in theory and practice of cold drawing process in detail.
对拉丝工艺中的反张力与界面摩擦系数及产品性能间的关系作了理论和实践方面的详细论述。
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.
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。
The key risk impact factors of foundation engineering were identified by calculating the comprehensive effect coefficient of risk factors and drawing the reason-result figure.
通过计算各种风险因素的综合影响系数并绘制风险因素的原因一结果图，找出影响基础工程施工的关键风险因素。
Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost.
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。
The drawing coefficient is a key factor which can influence the quality of drawing parts.
拉深系数是影响拉深件质量的关键因素。
The real-time identification of material properties and friction coefficient is as the key to intelligent control of deep drawing process.
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 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.
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 results show that the maximum temperature of the die has a nearly linear increase with the increase of drawing velocity or the increase of friction coefficient.
结果表明，模具最高温度随拉拔速度的增加和摩擦系数的增加都是近似线性的增加；
The effects of grey yarn pre-orientation degree, drawing temperature and drawing speed on the strength variable coefficient of polyester staple fiber are studied.
探讨了原丝预取向度、拉伸温度以及拉伸速度对涤纶短纤维强度变异系数的影响。
A method with probe and sensors is recommended to determine, the dynamic coefficient of friction in deep-drawing process.
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。
With regard to drawing constancy, the investigation showed very good results. The characteristics tested have a low coefficient of variation.
研究表明牵伸连续性很好，假编变形丝特性的偏差很小。
With regard to drawing constancy, the investigation showed very good results. The characteristics tested have a low coefficient of variation.
研究表明牵伸连续性很好，假编变形丝特性的偏差很小。
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