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。

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With the general process of designing the drawing die for the tractor body metal sheets, how to use the various functions of UG software to design the drawing die was introduced.

介绍了拖拉机覆盖件拉伸模设计的一般过程，以及如何利用UG软件所提供的各种功能设计出拉伸模。

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The core theory of sheet metal forming simulation software CADEM is introduced. Taking the development of drawing die for front fender as an example, the role of CAE technology is emphasized.

介绍了板料成型CAE软件CADEM主要理论，并以汽车外覆盖件翼子板的拉延模具开发为例，阐明了CAE技术在模具开发中所起的重要作用。

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The technique is called "deep drawing, " in which a sheet of metal is pressed around a die until it thins out and is joined perfectly.

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