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从金属切削理论出发分析了钛合金插铣过程的切削热产生机理,推导出工件的热传导方程式,并在此基础上建立钛合金插铣的数学模型,应用Galerkin有限元方法对工件的热传导方程进行推导计算,随后利用Matlab进行数值模拟,最终得到工件稳定后温度分布图.通过数值计算结果与实验结果对比,验证了有限元模型具有可靠和高精度优点.对钛合金插铣过程加工参数的优化和刀具的设计提供了重要参考依据.
Based on the metal cutting theory, the cutting heat generation mechanism of the titanium alloy insert milling process is analyzed, the heat conduction equation of the workpiece is derived, and based on which, the mathematical model of the titanium alloy insert milling is established. The Galerkin finite element method is applied to the heat conduction equation of the workpiece Then the numerical simulation is carried out by using Matlab and finally the temperature distribution of the workpiece is obtained.The numerical results are compared with the experimental results to verify the finite element model has the advantages of high reliability and accuracy.Optimization of the processing parameters for the insertion process of titanium alloy And tool design provides an important reference.