As one of the most important part of the machine tool, thermal behaviors of the ball screw feed drive system has great effect on the positioning accuracy and machining accuracy. Finite element method is widely used for simulating the temperature of the ball screw under various working conditions. In this paper, in order to improve the simulation accuracy, the moving heat loads are considered in the finite element model, and the response surface methodology is proposed to optimize the boundary conditions. The correctness and effectiveness of the method are verified by experimental data. In addition, according to the temperature simulation results of the ball screw feed drive system, thermal equilibrium is defined and the factors which have influenced on it are analyzed.

中文翻译：

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各种工况下滚珠丝杠进给传动系统的温度模拟及热平衡分析

作为机床最重要的部件之一，滚珠丝杠进给驱动系统的热行为对定位精度和加工精度影响很大。有限元法广泛用于模拟各种工况下滚珠丝杠的温度。本文为了提高仿真精度，在有限元模型中考虑了移动热载荷，提出了响应面法对边界条件进行优化。实验数据验证了该方法的正确性和有效性。此外，根据滚珠丝杠进给驱动系统的温度模拟结果，定义了热平衡并分析了影响它的因素。