1.School of Mechanical Engineering,Shenyang Jianzhu University,Shenyang 110168,China; 2.Hongde New Material Technology (Huludao) Co.,Ltd.,Huludao 125000,China; 3.School of Mechanical Engineering,Hebei University of Science and Technology,Shijiazhuang 050018,China
Abstract:To investigate the effect of cage on vibration characteristics of full ceramic ball bearings under cryogenic condition, theoretical and experimental research is carried out for silicon nitride full ceramic ball bearings under cryogenic condition, and vibration signal characteristics of full ceramic ball bearings equipped with cages of different materials are tested and analyzed. The results show that the vibration characteristics of the cage is similar to the contribution characteristic frequency of its stress state, which are mainly composed of the characteristic frequency of cage fc, the frequency doubling of ceramic ball characteristic frequency fb, the frequency doubling of inner ring characteristic frequency fi and the characteristic frequency components of cage and inner ring coupling. The vibration velocity of full ceramic ball bearings equipped with polymer matrix composite and bakelite cage is lower than that of full ceramic ball bearing equipped with carbon fiber composite cage, while the kurtosis value of the full ceramic ball bearing equipped with carbon fiber composite cage is lower than that of the full ceramic ball bearings equipped with bakelite and polymer matrix composite cages. In other words, carbon fiber composite is superior to bakelite and polymer matrix composite in signal stability and fault probability reduction of full ceramic ball bearing. The research results have a certain reference value for the selection of full ceramic ball bearing cage under cryogenic condition.
夏忠贤1,吴玉厚1,包志刚1,范永中2,闫海鹏3,孙健1. 保持架对低温工况全陶瓷球轴承振动特性的影响[J]. 振动与冲击, 2024, 43(5): 103-109.
XIA Zhongxian1,WU Yuhou1,BAO Zhigang1,FAN Yongzhong2,YAN Haipeng3,SUN Jian1. Effects of cage on vibration characteristics of full ceramic ball bearing under cryogenic working condition. JOURNAL OF VIBRATION AND SHOCK, 2024, 43(5): 103-109.
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