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- 2016
重型卧式车床主轴系统热特性分析
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Abstract:
主轴系统的热特性对重型卧式车床的加工精度有重要的影响。以某型号重型卧式车床的主轴系统为主要研究对象，采用有限元热-固耦合方法，仿真计算了主轴系统达到热平衡状态后的温度场分布和热变形特性，分析了热变形导致主轴中心线偏移情况。结合主轴系统静压轴承的结构特点，分析了轴承转速、液压油粘度、油膜间隙和供油压力对主轴系统变形场的影响。结果表明，这些因素对主轴系统的变形场有不同程度的影响，为主轴系统优化设计和热误差补偿提供了理论依据。
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