提出基于理想成形理论的板料冲压成形一步正向有限元分析方法。
Based on the theory of ideal forming, a forward one-step approach of finite element analysis for sheet metal forming was developed.
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.
该方法明显地减少了模拟实验次数，提高了参数优化效率，改善了板料冲压成形的仿真计算精度。
The method can reduce simulation frequency, increase optimization efficiency of parameters, and improve the accuracy of simulation calculating in sheet stamping.
通过CAE的平台，对某典型汽车内覆盖加强件的冲压成形工艺方案研究，得出了一般大型板料冲压成形方案制定的方法。
A general method has been put out by discussing the stamping process of a strengthening panel based on CAE platform.
板料冲压成形是一种十分重要的金属板料塑性加工技术，在工业领域有着极为广泛的应用，已成为先进制造代表技术之一。
Sheet metal forming is a very important plastic working technology, which has been widely used in industrial domains, and is also one of the advanced manufacturing technologies.
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.
分析计算实例表明，逆算法可用于对板料成形工艺方案进行快速评价，对冲压工艺参数进行优化。
Numerical simulation shows that FE inverse approach can be used for rapid evaluation of sheet metal forming process design and for the optimization of the process parameters.
基于本算法，提出了塑性成形物理模拟中的网格分析法，真实地模拟板料在冲压变形过程中各试验网格的变形情况。
Grid analysis method in physics simulation was programmed by this algorithm to use to simulating the deformation of experimental grids in different phases of the sheet forming.
冲压是金属板料主要的成形方法，而弯曲又是其中重要的成形工艺。
Stamping is one of the most common sheet metal forming technique, and bendingtypes of forming operation is the most important process of sheet metal stamping.
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.
介绍了一步法在板料冲压中的应用及其基本原理，并用该法对零件成形性进行预测。
The application in sheet stamping , basic principle of one- step and its advantages compared with incremental method simulation are introduced . It has finished prediction of part formability .
讨论了TRB在车身制造中需要解决的覆盖件模具设计、冲压成形过程中的变形、材料流动性和板料回弹等关键问题。
Some key problems to be solved in body manufacture for TRBs, such as design of exterior panel dies, deformation during stamping, flow characteristic of material and resilience, etc. 8are dis - cussed.
讨论了TRB在车身制造中需要解决的覆盖件模具设计、冲压成形过程中的变形、材料流动性和板料回弹等关键问题。
Some key problems to be solved in body manufacture for TRBs, such as design of exterior panel dies, deformation during stamping, flow characteristic of material and resilience, etc. 8are dis - cussed.
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