The key technology of variable assemble in CAD software for plastic injection mold is introduced. Examples of the geometry restrains and the engineering restrain in the assemble design are given.

介绍了塑料注射成型模具CAD软件中变量装配的关键技术，并给出了装配设计中几何约束和工程约束实例。

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A second generation mold requires a master model geometry that is a mirror image about the part design surface as described in the schematic below.

第二代模具要求原模的几何形状是部件形状的镜像。

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Part of the challenge of injection molding is less about the function of the part and more about the geometry reqUIrements to make a part mold-able.

注射成型的挑战的一部分是少的部分的功能和更多关于几何要求做出一个部分模具能。

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It beams the ear's geometry into a computer, without the mess of a traditional mold or the radiation if CT scans were used to measure ear anatomy.

WSJ: Scientists use 3-D printing to help grow an ear