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.
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.
在拉深工艺中，对于矮壁盒型拉深件，一般不采用。
Edge trimming technology is not used usually in drawing technology for low-walledand box-shaped drawing parts.
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.
为提高拉深件设计效率，降低模具设计开发成本提供了有效的方法和手段。
This research works provided an effective method and measure for deep drawing parts and die design and further reduced the cost of die design.
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.
采用这些措施，可较大地提高拉深件的加工质量和生产效率，取得较好的经济效益。
By adopting these measures, processing quality and production efficiency of stretching pieces can be greatly improved and good economic benefit can be obtained.
KBE技术在拉深件设计的成功应用，提高了拉深件设计的自动化和智能化程度。
The successful application of KBE improves the intelligent level of drawn part design.
在薄板拉深过程中，拉深件的质量问题主要表现为起皱、破裂、变薄、回弹、凸耳等。
During the process of pulling and stretching, the quality of pulling and strething parts mainly show: wrinkle, plosion thin, rebound, lug etc.
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.
板材成形中同样存在着计算坯料尺寸的问题，如弯曲件展开尺寸的计算，轴对称拉深件坯料尺寸的确定等。
The similar problem on computing blank size also exists in sheet forming, such as spreading size of bending piece, blank size of axial symmetry parts by deep drawing.
传统的经验类比设计对于复杂拉深件难以奏效，单纯应用有限元增量模拟法进行“试错”耗时多、效率低。
Analogy method based on experience is insufficient for complex shape part and Trail-and-error. Only simple finite element increment simulation method is time consuming.
在该加载模式下，拉深件无起皱和拉裂缺陷，零件区域厚度分布均匀，整体成形质量较好，满足设计和使用要求。
In this mode, there is no wrinkle and crack in drawing parts, the thickness distribution is even and the overall forming quality is better, which meet the design and use requirements.
试验和模拟结果表明，应用固体颗粒介质成形工艺可以极大限度地发挥板料的成形性能，不需要任何辅助工序，可以一次成形深拉深件，且表面质量好，成品率高。
The experiment and numerical simulation results have proved this technology can exert forming limit of sheet greatly, it can form deep drawing parts direct…
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.
覆盖件拉延工艺的设计一般包括以下内容：翻边展开、拉深方向选择、坯料估算、工艺补充面的搭建、压料面的添加以及拉深筋的布置等等。
The design of auto-body forming process commonly includes edge un-wrapping, choice of drawing direction, roughcast reckoning, design of addendum, adding the binder surface and setting the draw bead.
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.
分析了后减震器帽的成形工艺，介绍了成形该零件的拉深模、翻边模以及旋压模具结构。
The forming technology of rear shock absorber cap is analyzed, and its drawing die, flanging die and spinning die structure are also introduced.
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.
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.
采用数值模拟和实验相结合的方法研究了AZ31镁合金板料分块压边力拉深矩形件的过程。
The deep drawing process of AZ31 magnesium alloy rectangular parts was researched by numerical simulation and experiments.
论述了筒形件拉深工序设计中的关键问题和详尽的处理流程，并对筒形件拉深模CAD系统开发进行了尝试。
The paper discusses the points and details process of the Drawing Technology in Tube -Shaped parts , and try to CAD System of the drawing die.
针对筒形件的后续拉深变形提出了一种新的推拉拉深工艺方法，并对此进行了较详细的理论分析和试验研究。
A new push_pull drawing technology is put forward according to the post drawing deformation of cylindric part. This technology is theoretically analyzed and evaluated in detail.
对有凸缘圆筒形件的拉深工艺计算总结出了一套实用的计算方法，对从事有凸缘圆筒形件的拉深计算提供一定的参考价值。
A set of practical calculation method of drawing technology of flange cylindrical parts are summed up, which is useful for drawing calculation of flange cylindrical parts.
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.
研究结果表明，合适的压边力和液体压力能控制盒形件拉深缺陷的发生，采用液压拉深盒形件可获得更好的壁厚分布。
The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.
汽车覆盖件的拉深毛坯，传统的做法是拉深前先落料，而IVECO(依维柯)车身覆盖件大多采用方块坯料直接拉深。
Drawing blank for automobile body covering parts, the traditional method is blanking before drawing, but most IVECO body covering parts are directly drawn by using rectangle blank.
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.
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.
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