通过优化组合参数，提高了拉深成形效率。
The efficiency of drawing is increased by optimization of technological parameters.
对圆锥形件的拉深成形过程进行了数值模拟。
Drawing process 'numerical simulation of conical parts was done.
曲面零件拉深成形中，应力分界圆是非常重要的因素。
The stress boundary constitutes an important factor in drawing curved surface parts.
本文系统地研究了平底和球面圆筒形件充液拉深成形精度。
The forming accuracy of flat and round bottomed cylindrical shells formed by hydraulic counter pressure deep drawing is investigated.
包覆拉深工艺是一种适合于低塑性材料拉深成形的工艺方法。
Based on experiments, a novel forming technology was presented, named as "packed-layer drawing".
设置拉延筋是板料拉深成形过程中控制材料流动的有效方法。
Drawbead application is an effect method in sheet metal deep-drawing process to control material flow.
指出纯铜薄板的各向异性对矩形盒拉深成形性的影响不十分显著。
It's pointed out that the effect of the anisotropy of fine copper on the drawing forming property of rectangular case isn't remarkable.
用有限元模拟矩形盒拉深成形过程并剖析拉深中材料流动变形规律。
The forming process of rectangular case drawing is simulated and the rule of material flowing deformation in the process of drawing is analysed.
文中给出的锥形件一次拉深成形极限拉深比图线和数表，可供生产实用。
The curves and data of limit drawing ratio, which can be applied in production, are given.
此外，拉深速度和冲头温度对AZ31镁合金的拉深成形也有重要影响。
Further, deep drawing speeds and punch temperatures during deep drawing process can also exert significant influence on the deep drawing of AZ31 magnesium alloy.
概述了拉深成形智能化的研究现状，详细叙述了压边力智能控制系统的架构。
The latest achievements achieved in the intelligent deep-drawing process are summarized and the intelligent control architecture for blank holder force control is demonstrated in detail.
用塑性理论求得杯形件拉深成形工艺过程中凸缘部分的应力与应变分布的解析解。
The paper mainly focuses on the analysis of the distribution of stress and strain in the flange of a cup-shaped part during deep drawing, according to the plastic mechanics theory.
采用有限元法模拟曲面壳体热拉深成形，并进行成形工艺试验，其模拟结果与试验结果一致。
A curved surface shell hot drawing was simulateel by finite element method and forming trial was condncted.
非回转对称拉深成形过程中 ，压料面上法兰材料是变形的主体 ，直接影响到拉深成形性。
In a non-rotational symmetry drawing, material of flange on blank holder face is the main body of deformations, and has direct effects on the formability of drawing.
圆锥形零件是曲面类零件拉深成形中较为典型的零件之一，对其充液成形的研究具有实际意义。
Since conical part is one of the typical curved parts in sheet metal drawing, research on it has actual significance.
在试验研究的基础之上，本文采用有限元模拟的方法，建立了两层板拉深成形过程的有限元模型；
On the base of special experiments, the Elastic-plastic of FEM models of stamping are built.
分析结果表明，对于不同的压边力模式，拉深成形性能完全不同，合理的压边力能改善板材的成形性能。
The results of the analysis show that the performance of the stamping forming is absolute difference for different modes of BHF, appropriate BHF can improve the forming performance of sheet metal.
结果表明，与传统的模具拉深成形一样，板料的成形性能参数对多点拉深成形结果有着十分重要的影响；
The results show that, material capability parameter has a very important effect on the Multi-point draw forming results, which is the same as traditional die forming.
本文以板料法兰区为研究对象，通过对拉深成形过程进行仿真得到各冲压参数对成形速度的影响曲线及数据。
In this paper, flange area of sheet metal was the research object, influence curves and data of each stamping parameters to the forming velocity were obtained through the simulations of deep drawing.
此方法对于复杂的拉深成形件和复杂的覆盖件的进一步研究更有实际意义，有利于提高产品质量和降低成本。
The results show that the new approach is a better method for optimum blank design. The product quality will be improved and the cost will be reduced by this new approach.
针对盒形件拉深成形时法兰变形区的变形进行了材料塑性流动的理论分析，提出了位移速度差诱发剪应力的观点。
In of displacement induces shear stress. Shear deformation this paper, flow law of material is theoretically analysed based on deformation of the flange deformed area in box drawing.
采用板料三维成形分析软件PAM - ST AMP对某车型侧围前延长件的拉深成形过程进行了数值模拟仿真。
The numerical simulation of drawing process for front extension to side panel is studied by using the three-dimensional sheet metal forming analysis software PAM-STAMP.
变压边力数值模拟试验结果表明，采用变压边力控制矩形件拉深成形过程时，变压边力对矩形件拉深成形特性影响显著。
The simulation test results obviously showed that VBHF had great effects to drawing formability of hot-galvanized sheet steel during the rectangular box drawing.
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。
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.
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.
由于镁晶体为密排六方结构，镁合金的室温塑性加工能力较低，因而很有必要研究镁合金的热拉伸性能，壳形件热拉深成形及其有限元模拟，为今后镁合金塑性加工提供必要技术支持。
So it is necessary to study hot stretch properties, hot drawing of shell parts and its finite element simulation of magnesium alloys for providing technical supports of plastic processing.
根据大量矩形盒拉深试验结果，对成形过程中的几何形状效应进行了分析和总结。
The geometric shape effect in the process of forming is analyzed and summarized based on a great deal of drawing experiments of rectangular case.
根据大量矩形盒拉深试验结果，对成形过程中的几何形状效应进行了分析和总结。
The geometric shape effect in the process of forming is analyzed and summarized based on a great deal of drawing experiments of rectangular case.
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