By production practice, reasonable structure, installation and adjustment convenience, stable product quality, high manufacturing efficiency and outstanding economic benefit were verified.

经生产验证，该模具结构合理、安装调整方便、工件质量稳定、生产效率高、经济效益显著。

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Discusses design methods of processes and dies. By selecting proper extrusion deformation degree and reasonable die structure, the expected aim and precision of product are obtained.

探讨了有关的工艺模具设计方法，通过选取适当的挤压变形量采用合理的模具结构，达到了规定的精度要求，顺利实现了预期目标。

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Practices show that the die structure is reasonable and reliable, and can ensure the product quality. The design has reference value to the design of the progressive dies for similar parts.

实践证明，模具结构合理、可靠，能保证产品质量，对此类零件的级进模设计有参考价值。

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