Based on the results obtained, the effect of main geometrical parameters of the tube on roll-pressing force was analyzed.

根据有限元计算结果分析了螺旋槽管的主要结构参数对滚压力的影响规律。

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The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion.

通过对挤压过程压制力和位移曲线的分析，提出了对挤压过程三个阶段的合理划分。

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The reliability of numerical simulation was proved by experiment, and the relation between roll-pressing force and corrugation depth was obtained as guidance for secondary machining of grooved tube.

通过试验验证了用有限元法进行螺旋槽管材滚压成型过程模拟的可靠性，并得到了滚压力与槽深之间的对应关系，为螺旋槽管的二次加工提供了必要的实际指导依据。

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