Abstract：The rail displacement fluctuation error with time-varying stiffness and damping in the vertical direction was considered a displacement excitation of a linear guide in the process of movement, and vibration analysis of the roller linear guide under the rail displacement excitation was studied. First, investigate the dynamic characteristics of the roller linear guide: the vertical stiffness was calculated according to Hertz contact theory, and the damping characteristics under different frequencies was identified based on hysteresis loop test of a linear guide unit. Then a generalized time-varying stiffness and damping dynamic model of the roller linear guide was formulated. Introduce the incremental harmonic balance method (IHB) of nonlinear vibration theory to analyze the vibration progress. The numerical simulation was used to confirm the feasibility of the approach.
刘志峰1，蔡力钢,李丹丹1，赵永胜1，马同民1. 考虑导轨位移波动误差影响的滚柱直线导轨振动分析[J]. 振动与冲击, 2016, 35(23): 23-28.
Liu Zhi-feng1,Cai Li-gang1, Li Dan-dan1,Zhao Yong-sheng1, Ma Tong-min1. Vibration analysis of the roller linear guide with the rail displacement fluctuation error. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(23): 23-28.
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