本文为分析诸如精纺纱锭、气流纺杯转子等纺织机高速回转轴系的动力特性,讨论了模态综合法在确定复合轴系的动力响应上的应用;然后对因组件初始不均衡而有的激励和具有中间套管的挤压油膜阻尼装置进行分析;最后,作为算例,对国产型号精纺纱锭在给定卷装初始不均衡量下,计算其工作转速邻近的范围内强迫振动的锭端振幅和上轴承反力,并和实验结果相验证。 In this paper, the dynamic characteristics of high-speed rotating shaft of textile machines such as spinning spindles and rotor spinning rotor are analyzed. The application of modal synthesis method to determine the dynamic response of the composite shaft system is discussed. Then, Some motivation and the squeeze film damping device with middle sleeve were analyzed. Finally, as an example, for the domestic model spun spindle in a given initial unbalance of package, calculate the working speed of the adjacent range of forced Vibrating spindle amplitude and bearing reaction force, and the experimental results verify.