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Modeling of dual-impulses phenomenon of incipient spalled outer race ball bearing
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Chao LI1, 2, Yu GUO1, Maolin LUO3, Xin CHEN1
Journal of Vibration Engineering | 2025, 38(10) : 2361 - 2368
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Journal of Vibration Engineering | 2025, 38(10): 2361-2368
Modeling of dual-impulses phenomenon of incipient spalled outer race ball bearing
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Chao LI1, 2, Yu GUO1, Maolin LUO3, Xin CHEN1
Affiliations
  • 1.Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650500, China
  • 2.Yunnan Communications Vocational and Technical College, Kunming 650500, China
  • 3.School of Advanced Manufacturing Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
doi: 10.16385/j.cnki.issn.1004-4523.202306056
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Analysis of the instantaneous angular speed (IAS) has been proven to effectively detect bearing faults. To investigate the generation mechanism of IAS signal double-impulses phenomenon in ball bearings, a dynamic model is proposed in this paper based on the coupling characteristics between the normal, tangential forces and the time-varying impact excitation, in which the influences of the rolling resistance and the sharp edges of local defect on the dynamic behavior are considered. In this model, the elastic quarter-space method is adopted to calculate the additional deformation induced by the local spalled edges and its corresponding time-varying displacement excitation model is deduced. Additional contact forces and time-varying displacement excitations are considered when steel ball enter into and exit from the defect. The disturbances of normal and tangential forces in the bearing under sharp-edge excitations of local fault are studied, and the time-varying tangential force excitation model is also deduced. The nonlinear dynamic equation sets are solved using the Runge-Kutta numerical integration method. Comparisons between the simulation results and the actual measured results of outer race local fault bearings show the established dynamic model can effectively reveal the mechanism of double-impulses phenomenon based on IAS signals.

ball bearing  /  fault mechanism modeling  /  initial local spall  /  elastic quarter-space method  /  dual-impulse phenomenon
Chao LI, Yu GUO, Maolin LUO, Xin CHEN. Modeling of dual-impulses phenomenon of incipient spalled outer race ball bearing[J]. Journal of Vibration Engineering, 2025 , 38 (10) : 2361 -2368 . DOI: 10.16385/j.cnki.issn.1004-4523.202306056
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Year 2025 volume 38 Issue 10
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202306056
  • Receive Date：2023-06-27
  • Online Date：2026-02-04
Article Data
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  • Received：2023-06-27
  • Revised：2023-10-06
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Affiliations
    1.Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650500, China
    2.Yunnan Communications Vocational and Technical College, Kunming 650500, China
    3.School of Advanced Manufacturing Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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