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中文摘要：
基于凸轮轴楔横轧精确成形原理,针对一种简单典型凸轮轴的楔横轧精确成形,采用DEFORM-3D有限元软件,利用三维刚-塑性有限元法对整个凸轮轴楔横轧轧制过程进行了数值模拟,得到了较为理想的凸轮形状成形结果,系统分析了凸轮轴楔横轧轧制过程中轧件的应变分布状态,以及轧件金属的轴向、径向和周向的流动规律.根据凸轮轴楔横轧的实际实验结果和数值模拟结果的对比,结果表明,数值模拟结果与实验结果相符合,利用楔横轧精确成形凸轮轴是可行的.
英文摘要：
Based on the mechanism of precision forming of camshafts by cross wedge rolling （CWR）,the precision forming process of a simple and typical camshaft by CWR was numerically simulated with DEFORM-3D finite element software and an ideal shape was obtained.The FEM result was used to analyze the strain distribution in the work piece during the whole process.The metal flow laws in the axial,radical and circumferential directions were systematically discussed.It is shown that the simulation result is in agreement with CWR experimental data by comparison,indicating that the method of camshaft forming by CWR is feasible.
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