直齿圆柱齿轮雾化气体淬火过程的传热模拟及实验研究

Simulation and Experimental Study of Heat Transfer of Spur Gear in Atomized Gas Quenching Process

基于传热学理论,利用MATLAB软件对齿轮雾化气体淬火过程表面综合换热系数进行了计算。利用ANSYS有限元软件建立了直齿圆柱齿轮模型并加载了边界条件,对齿轮雾化气体淬火过程的瞬态温度场进行模拟,得到了不同时刻的温度分布和节点温度变化曲线。对模拟结果和实验结果做了对比,温度场的模拟和实验结果吻合良好,表明所采用的数值计算方法是正确可行的。

Based on heat transfer theory, the synthetical surface heat transfer coefficient of the gear in atomized gas quenching process was calculated by MATLAB software. The spur gear model was established by ANSYS finite element software. The boundary conditions were loaded, and the transient temperature fields of the spur gear in atomized gas quenching process were simulated. The temperature distribution in different time and the nodes temperature changing curves were obtained. The simulation results were compared with the experimental results. The simulation results of the temperature field are in good agreement with the experimental results, which show that the numerical computational method is correct and feasible.