It is worth while recommending this steel for manufacturing cold extrusion dies, because it not only reduces the production cost through saving alloying elements, but also prolongs the die life.

新钢种作为冷挤压模具用钢，既节约了合金元素，降低了成本，又提高了模具寿命，具有推广价值。

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The prestressing force in combined dies to be used for cold extrusion of bearing outer race by the two mathematical models is calculated and compared with the results obtained by Lame formulae.

利用这两种模型分别计算了轴承套圈冷挤压组合凹模的预应力，并同拉美公式的计算结果进行了分析比较。

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This paper presents an unified computer model for calculating the com - bined dies for automotive cold extrusion parts with different materials and structure.

介绍了用于汽车零件冷挤压的任意层、不同材料组合模的统一计算模型。

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