The study provides effective numerical analysis method and theoretical basis for the design and optimization of automobile semi axle cross wedge rolling.

研究结果为优化和设计汽车半轴楔横轧设备提供了有效的数值分析方法和理论依据。

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The practice reveals that the method is easy to implement and effective, which provides necessary basis for production technology formulating and die design of the automobile door and window frame.

实践证明，该测绘方法易行有效，为加工汽车门窗框的生产工艺制定和模具设计提供了必要的依据，从而加速了汽车零部件的国产化。

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The feasible improved design is obtained and modal characteristic is calculated, which can provide basis for improved design of automobile door.

并计算分析了改进后车门的模态特性，为车门的改进设计提供理论依据。

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