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应用有限元软件Ansys/ls-dyna模拟了细腰螺栓冷拉伸滚压的加工过程,分析了冷拉伸滚压加工工件的金属塑性流动规律;通过分析寻找现有拉伸滚压加工工艺的不足之处,为后续工艺的改进提供指导意义。
The finite element software Ansys / ls-dyna was used to simulate the cold stretch rolling process of the thin-walled bolt. The metal-plastic flow rule of the cold stretch rolling work piece was analyzed. The existing tensile rolling process technology was analyzed Insufficient place for the follow-up process to provide guidance for the improvement.