大型曲轴感应加热过程的有限元分析

Analysis of Induction Heating Process of Heavy Crank-shaft by FEM

依据感应加热理论 ,建立了有限元计算温度模型。并以此分析研究了 12 V2 4 0机车曲轴坯弯曲镦锻前的感应加热过程 ,得到了坯料内的温度分布状况以及温度随时间的变化规律。经与现场实测值进行对比 ,证明了所用算法的正确性。从而为改进曲轴坯感应加热工艺提供了可靠的依据。

In this paper,model for calculating temperature by FEM is set up according to theories of induction heating.The induction heating process before bending upsetting of the 12V240 locomotive crank shaft blank is analyzed with the model,and the temperature distribution and its variation with time are obtained.Compared to the values measured in tests,it is proved that the calculating method is correct,and then the scientific foundation for improving the induction heating process of crank shaft blanks is presented.: In this paper,model for calculating temperature by FEM is set up according to theories of induction heating.The induction heating process before bending upsetting of the 12V240 locomotive crank shaft blank is analyzed with the model,and the temperature distribution and its variation with time are obtained.Compared to the values measured in tests,it is proved that the calculating method is correct,and then the scientific foundation for improving the induction heating process of crank shaft blanks is presented.