Effect of Thermal-Related Fit Clearance between Outer Ring and Pedestal on the Vibration of Full Ceramic Ball Bearing

Shi, Huaitao; Bai, Xiaotian; Zhang, Ke; Wu, Yuhou; Wang, Zinan

doi:10.1155/2019/8357807

Cited by 9 publications

(6 citation statements)

References 26 publications

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“…usually operate at different temperatures such as aeroengines and mining equipment [10,11]. The different temperatures and working conditions make the interaction of bearing system components more complex, resulting in the deviation in the frequency of bearing defects, then the previous methods of establishing dynamic models and comparing them are not accurate enough [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…The previous dynamic models of bearings at different temperatures conditions mainly described the temperature variation gap between the bearings and the base, as well as the impact of bearing radial clearance on the bearingrotor dynamic response [16][17][18][19][20]. Shi et al [21] established an acoustic radiation model of all-ceramic ball bearing in a wide temperature range and studied the acoustic radiation characteristics of all-ceramic ball bearing systems in a wide temperature range under different operating conditions. Cao et al [22] established the dynamic model of rotor housing system with clearance bearing.…”

Section: Introductionmentioning

confidence: 99%

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Investigation on the influence of temperature-variation clearance on the frequency of rolling bearing defects

An,

Gu,

Chen

et al. 2024

Meas. Sci. Technol.

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The clearance between the inner ring (IR) of rolling bearing and rotor is directly proportional to the temperature rise. The increased friction between the inner ring and rotor, as well as changes in the frequency of rolling bearing defects, and the accuracy of bearing health monitoring decreases. Existing research cannot effectively solve this problem. In response to the above issues, in this paper, the clearance between the bearing IR and the rotor and the internal clearance of bearing were considered, and the clearance was considered as the motion boundary of the rotor inside the IR, dynamic models of the bearing IR, outer ring (OR), and rolling element defects were established, and the trend of rolling bearing defects frequencies with temperature was analyzed, then the rationality of the dynamic models were verified through experimental methods. The research results show that the friction between the rotor and the IR increases with increasing temperature, and the speed of the IR decreases accordingly. The characteristic frequencies of defects in the IR, OR, and rolling element of rolling bearings have decreased by approximately 6.42%, 8.07%, and 6.93% compared to the theoretical values without considering temperature, respectively. This indicates that when identifying the frequency of rolling bearing defects at different temperatures, the frequency deviation caused by the increase in clearance between the IR and the rotor should be considered. The research results may serve as an important basis for fault diagnosis and condition monitoring of rolling bearings.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation on the influence of temperature-variation clearance on the frequency of rolling bearing defects

An,

Gu,

Chen

et al. 2024

Meas. Sci. Technol.

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“…Sun et al performed simulations and analyses of the temperature field and distribution of lubricant in the cavity of full ceramic ball bearings under different operating circumstances and viscosities, which served as a guide for the selection of lubricant [8]. Shi et al investigated how high temperature affected the dynamic characteristics of a full ceramic ball bearing-rotor system and found that an appropriate tight fit between the outer ring and the pedestal could help reduce its impact [9].…”

Section: Introductionmentioning

confidence: 99%

Research on dynamic performance and operating stability of ceramic ball bearings for space use

Jing-bo¹,

Zhou²,

Zhang

et al. 2023

Third International Conference on Mechanical Design and Simulation (MDS 2023)

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Operational stability is one of the mostcrucial characteristics of bearings in space actuators. Space bearings embrace unique dynamic properties due to their micro-oil lubrication and non-metallic cage. A dynamic simulation of three different B7005C bearing types, a typical aerospace bearing, was carried out in this paper. Steel ball bearings, hybrid ceramic ball bearings, and full ceramic ball bearings were the materials used to make such bearings. The findings demonstrate that, in comparison to steel bearings, the ceramic ball bearings operated stably under heavy radial loads, and that the use of ceramic balls and raceways will reduce the axial inner race deflection and its fluctuation.

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“…Zhang et al [21] took the optimized heat transfer coefficient as the boundary condition to calculate the internal temperature fields and thermal deformation of the high-speed spindle, established a high-speed motorized spindle thermal deformation prediction model, and verified the prediction accuracy. Other aspects, such as the relationship between temperature of the internal components of the bearing and friction heat generation power [22][23][24], influence of changes in bearing structural parameters, contact thermal resistance and bearing temperature on the nonlinear thermal characteristics [25], prediction of bearing temperature fields distribution through the thermal-mechanical coupling model [26], influence of thermal related fit clearance between the bearing outer ring and pedestal on the vibration characteristics of full-ceramic bearings [27], have also been extensively studied, and effective conclusions have been drawn.…”

Section: Introductionmentioning

confidence: 99%

Experimental Research on the Influence of Working Conditions on Vibration and Temperature Rise of Si3N4 Full-Ceramic Bearing Motors

Xia

Wei

et al. 2021

Shock and Vibration

Self Cite

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Working conditions such as lubrication, preload, and rotational speed have important influence on vibration and temperature rise of the spindle motor. In this study, controlled variable experiments are carried out on the silicon nitride (Si3N4) full-ceramic ball bearing and steel bearing of the same type, and the vibration signal characteristics and temperature rise of the spindle motor are tested and analysed, by changing the lubrication conditions, preloads, and rotational speeds of the spindle motor. Through the research, it is found that as the rotational speed increases, the vibration velocity of the Si3N4 full-ceramic bearing spindle motor under different preloads and lubrication conditions shows an overall increasing trend; kurtosis generally presents a downward trend and gradually flattens, indicating that although the vibration velocity increases at high speeds, the vibration signal shows a relatively stable state. As the rotational speed increases, the difference of vibration velocity under the condition of applying preload and no preload decreases, indicating that the influence of preload on the vibration of full-ceramic bearing spindle motor decreases with the increase in rotational speeds. At the same time, it is found that fr and 5fr have greater impact on the vibration of full-ceramic bearing spindle motor, where fr is the frequency of the bearing in normal operation, and 5fr is 5 times of the normal operating frequency. Lubrication conditions have little effect on the temperature rise of full-ceramic bearing spindle motor, and the temperature rise under nonlubricated conditions is even slightly lower than that under grease lubrication conditions. The research results show that the vibration velocity and temperature rise of Si3N4 full-ceramic bearing spindle motor are less than those of steel bearing with the same type, indicating that full-ceramic bearing has better performance than steel bearing under the same working conditions.

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Effect of Thermal-Related Fit Clearance between Outer Ring and Pedestal on the Vibration of Full Ceramic Ball Bearing

Cited by 9 publications

References 26 publications

Investigation on the influence of temperature-variation clearance on the frequency of rolling bearing defects

Investigation on the influence of temperature-variation clearance on the frequency of rolling bearing defects

Research on dynamic performance and operating stability of ceramic ball bearings for space use

Experimental Research on the Influence of Working Conditions on Vibration and Temperature Rise of Si3N4 Full-Ceramic Bearing Motors

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