曲面板件在冲压成形时常常发生起皱现象。
Wrinkling usually happens in the punching process of curved surface sheet metal.
介绍矿用带式输送机输送带扣冲压成形模具的设计。
This paper introduces the design of pressing formational mould that produces belt fastener of band conveyor in miner.
介绍了运用CAE技术在汽车覆盖件冲压成形中的应用。
Introduced the application of CAE technology in drawing of automobile panels.
介绍用于碟形托盘冷冲压成形模具的结构特点及工作原理。
This paper introduces the structure characters and working principle of mould for cold stamping buttefly pallet.
针对黄铜阀体单向冲压成形生产中存在的问题，提出了改进措施。
The one-way punch forming process used for brass valve body was introduced, some instructive Suggestions for improving the process were put forward.
焊缝位置的移动以及布置合理与否是影响拼焊板冲压成形质量的关键。
Movement and rational layout of welding seam are the key factors affecting stamping forming quality of welding splice pieces.
根据链节零件的形状、尺寸及其生产要求，制定了级进模冲压成形工艺方案。
A processing plan of progressive die stamping for chain element was established according to the shape, dimensions of the part and requirements for production.
对自锁压板冲压成形工艺进行了分析改进，对模具设计及装配进行了重点说明。
Forming technology of the locking plate has been analysed and improved. Designing and assembling of the die has been emphatically introduced.
分析了密封罩零件冲压成形的难点，论述了采取的有效工艺措施和模具设计要点。
The paper analyses the difficulty of bearing seal up cover stamping process and deals with the effective process measures and the key points of die designing.
汽车发动机罩冲压成形后翻边工艺机械自动化一直是困扰汽车制造商的技术难题。
The mechanical automation of bending technique is the troublesome problem to car's manufacturer.
与板料冷冲压相比，板料的热冲压成形具有塑性好、成形极限高、易于成形等优点。
The material has better plasticity, higher forming limit and easier to shape in hot stamping than in cold stamping.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
介绍在特殊夹层压力容器制造中对夹层壳体壁上进行开孔翻边热冲压成形的工艺技术。
This article describes a hot pressing formation technology to make flanged openings on special jacketed vessel shells.
回弹现象是车辆覆盖件冲压成形中不可避免的问题，也是该领域研究的热点和难点问题。
Springback is an inevitable problem in sheet metal stamping forming, and is the research hotspot and difficulty in this field.
阐述了扭转不等截面复杂叶片整体冲压成形的工艺方案、工艺难点及所采取的技术措施。
Technical method of integral stamping twist vane cores with unequal sections and the technological difficulties and technical measures to he taken are presented in the paper.
介绍了镁合金薄壁板材的温热冲压成形技术、温热液压成形技术和局部热冲锻成形技术。
Sheet warm forming process, sheet warm hydroforming process and sheet press forging process are introduced in this paper.
叙述了热轧钛钢板的强度和冲压成形性能的试验结果，介绍了钛钢板在汽车生产中的应用。
This paper describes the experimental results of the strength and stamping forming property of the hot rolled titanium steel plates, and presents their application in automotive production.
利用标准椭圆封头胎具，采用二次冲压成形工艺，缩短了制造周期，大大降低了制造成本。
The manufacture time and cost can be sharply reduced by adopting two times punch shaping process with the aid of the mould of standard elliptical head.
采用有限元软件MARC基于不同拉格朗日法建立了一个有限元模型来分析深冲压成形过程。
Finite element models based on different Lagrangian methods have been used to analyze the deep drawing process by the fe software, MARC.
分析了汽车连杆油封盖拉伸工艺及用冲压成形完成倒角的方法，介绍了关键工位的模具结构。
A drawing process for sealing cover of automobile connecting rod and a method of chamfering by punching were analyzed. The die structures designed for the key procedures were introduced.
介绍了覆盖件板料冲压成形过程有限元模拟技术的一般方法、常用软件及其最新进展和发展趋势。
The paper introduces finite element simulation technology for cover panel stamping forming process, including applied method and software, as well as current status and development trend.
该文针对冲孔、翻孔两类板材冲压成形工艺方法的主要特点，设计了两类成形件的特征识别规则。
Based on main characteristics of punching and flanging process, this paper describes the design of rules to stamping features.
圆锥形零件是曲面类零件中较为典型的零件，对其冲压成形过程的研究是进行曲面类零件研究的基础。
Therefore it is necessary to study forming characteristic of conical part, to analyze various parameters'influence on its forming limit, and to define reasonable blank holding force(BHF).
在对模拟成形件进行成形特征分析的基础上，研究了特定成形方式下材料参数对冲压成形性的影响规律。
On the basis of analysis of the forming characteristics of rectangular cup, the influence of material parameters on formability under certain forming mode has been studied.
为进一步研究大型覆盖件冲压成形质量分析的技术，采用混合网格法进行变形区域塑性主应变分布测量。
A hybrid grid method was used to determine the principal plastic strain distribution in a deformed area of a sheet metal piece.
本文对汽车覆盖件冲压成形有限元数值仿真技术进行了研究，并对某型轿车前翼子板进行了冲压成形仿真。
In this thesis, the finite element simulation technology of automobile panel stamping forming is researched, and an automobile front fender stamping forming is simulated.
而厚壁封头冲压成形过程属于几何非线性和材料非线性的问题，很难用弹塑性力学理论的解析法进行研究。
The drawing process of thick wall is a problem of geometry non-linear and material non-linear, so it is very difficult to be solved by the method of elasticity and plastics mechanics.
研究结果表明：有限元数值模拟可以实现复杂应变路径； 应变路径的不同对冲压成形的结果有很大影响。
The results indicate that FEM can realize the complex strain paths and different strain paths will affect the result of sheet metal forming greatly.
汽车覆盖件拉延工序设计被称为薄板冲压成形领域的设计“黑箱”问题，而拉延模型面设计是其中的核心内容。
The design of drawing process for automobile panel is called as design "black box"in sheet metal forming domain, while the die-face design of drawing die is the key part.
汽车覆盖件拉延工序设计被称为薄板冲压成形领域的设计“黑箱”问题，而拉延模型面设计是其中的核心内容。
The design of drawing process for automobile panel is called as design "black box"in sheet metal forming domain, while the die-face design of drawing die is the key part.
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