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.
本文提出了复杂拉深件展开尺寸的计算方法。
In this paper calculation method of complex drawing piece on unfold size is given.
曲面的构造是曲面拉深件设计中的关键环节。
It is tremendously important to construct a surface in surface drawing design.
设计了拉深模具。
可加工注塑模，冷冲模，拉深模等各种精密模具。
Machinable injection mold, die, drawing die, and other precision molds.
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.
无凸缘筒形件是生产中应用较为普遍的一种拉深制件。
Flangeless cylindrical parts are a kind of drawing parts and widely applied in production.
最后，使用不锈钢板料进行了带法兰边圆筒件拉深试验。
Finally, the experiments on stainless steel cylinder with flange plate work-piece drawing are made.
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".
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.
分析了典型实物拉深零件JD90型摩托车油箱的应变分布特点；
The feature of strain distribution in a typical deep drawn part JD90 motorcycle tank was analyzed.
该系统能够完成拉深件设计-拉深工艺设计-拉深模设计的全过程。
This system is able to accomplish the whole process of deep drawing part design deep drawing technology design deep drawing die design.
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.
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.
该研究结果对非回转对称拉深的试验研究及实际生产具有一定的参考价值。
This research possesses considerable value for the experimental study on rectangular case drawing as well as practical work.
利用连续速度场解析了筒形件变薄拉深过程拉深力，并获得其上限解析解。
A continuous velocity field is established and applied to the ironing process, and an upper-bound analytical solution is obtained.
镁合金(AZ31B)板材的成形性能可以通过热拉深试验来进行观察评估。
Formability of magnesium alloy (AZ31B) sheets can be investigated by thermal deep drawing experiments.
采用脉动变化的压边力控制拉深工艺，可提高成形极限及拉深件的表面质量。
Pulsating blank holder forces are used in deep-drawing process to increase the draw depth and improve the surface quality of drawn piece.
对于凸缘部位的浅拉深，采用压边圈兼作浅拉深凸模的作用，取得较好的效果。
To low drawing in flange part, the blank holder can be used as punch, and the effect is good.
拉深是一种十分重要的零件成形方法，在汽车、飞机等工业领域得到了广泛的应用。
Deep drawing is an extremely important process for part fabrication and is widely used in automobile, aircraft and other industries.
分析结果表明，拉深孔排列规律、密度和孔径变化对板料的极限拉深高度有很大影响。
The results indicated the arrayed rule, density and diameter of the drawing holes affect the limit drawing height of sheet metal drastically.
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.
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.
本文从实用出发，编制了任意形状的旋转体拉深件及部分高盒子拉深件的毛坯计算程序。
For practical purpose, in this paper, the program of calculation of blank sige for arbitrary rotating drawn components and partial high box drawn components have been presented.
通过计算确定了杯座毛坯尺寸及拉深的次数，通过对工件工艺性分析，确定了工件的工艺方案。
Through computing the size of the roughcast and the number of drawing are confirmed. Finally analyzed the craft to the hinge and confirmed the craft project.
拉深工序是汽车覆盖件成形的关键工序，拉深工序件的设计是覆盖件模具设计的一个瓶颈环节。
The drawing process is a key process of stamping forming for autobody panels, and the design of drawn parts is a bottleneck procedure to die design of panels.
此文介绍了作者自行开发的盒形件拉深模CAD系统的组成、功能以及编程中的若干技术问题。
This paper introduces the CAD system of rectangular box drawing die developed by authors about its composition, function and some techniques in programing process.
此文介绍了作者自行开发的盒形件拉深模CAD系统的组成、功能以及编程中的若干技术问题。
This paper introduces the CAD system of rectangular box drawing die developed by authors about its composition, function and some techniques in programing process.
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