Optimal Design of Clearances of Cylindrical Roller Bearing Components Based on Dynamic Analysis

Chen, Lihai; Ma, Fanglan; Qiu, Ming; Dong, Yanfang; Pang, Xiaoxu; Li, Junxing; Yang, Chuanlei

doi:10.1155/2022/4811914

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…Nevertheless, these elements of vibrators are subjected to high loads and cyclic fatigue. By the specification of the producer (SKF), bearings for the vibrating sieving screen have greater than normal clearances, which play the most important role in their durability [ 73 , 74 ].…”

Section: Methodsmentioning

confidence: 99%

Condition Monitoring of Horizontal Sieving Screens—A Case Study of Inertial Vibrator Bearing Failure in Calcium Carbonate Production Plant

et al. 2023

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Predictive maintenance is increasingly popular in many branches, as well as in the mining industry; however, there is a lack of spectacular examples of its practice efficiency. Close collaboration between Omya Group and Wroclaw University of Science and Technology allowed investigation of the failure of the inertial vibrator’s bearing. The signals of vibration are captured from the sieving screen just before bearing failure and right after repair, when it was visually inspected after replacement. The additional complication was introduced by the loss of stable attachment of the vibrator’s shield, which produced great periodical excitation in each place of measurement on the machine. Such anomalies in the signals, in addition to falling pieces of material, made impossible the diagnostics by standard methods. However, the implementation of advanced signal processing techniques such as time–frequency diagrams, envelope spectrum, cyclic spectral coherence, orbits analysis, and phase space plots allowed to undermine defects (pitting on the inner ring). After repair, the amplitudes of vibration from the damaged bearing side were reduced by five times, while sound pressure was only two times lower. The quantitative parameters of vibrations showed significant changes: time series RMS (−68%) median energy of spectrograms (89%), frequencies ratio of cyclic spectral coherence (−85%), and average amplitude of harmonics in envelope spectrum (−80%). The orbits demonstrated changes in inclination angle (16%) and sizes (−48 ... −96%), as well as phase space plots sizes (−28 ... −67%). Directions of further research are considered.

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Section: Methodsmentioning

confidence: 99%

Condition Monitoring of Horizontal Sieving Screens—A Case Study of Inertial Vibrator Bearing Failure in Calcium Carbonate Production Plant

et al. 2023

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“…For the dynamic modeling of cylindrical roller bearing without any faults, we have adopted the method described in Chen et al [28] and Cao et al [29]. In the case of the dynamic modeling of compound faults on the inner and outer races, to facilitate effective analysis and simplify the calculation, we assume the following conditions:…”

Section: Dynamic Modeling Of Compound Faults On the Inner And Outer R...mentioning

confidence: 99%

Defect Size Evaluation of Cylindrical Roller Bearings with Compound Faults on the Inner and Outer Races

Chen

Tan

Yang

et al. 2022

Mathematical Problems in Engineering

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Faults in cylindrical roller bearings are one of the main contributors to major faults in rotating machinery. The development of bearing fault diagnosis technologies is key to measuring the performance, status, and risk of failure of rolling-element bearings and has attracted extensive attention from industry and academia. When faults arise, they are often not a single fault but a compound fault, such as the simultaneous failure of the inner and outer races. In this paper, a method for evaluating the size of compound faults on the inner and outer races of cylindrical roller bearings is proposed. The dynamic modeling method developed by Gupta is employed to create a dynamic model for compound faults on the inner and outer rings of rolling bearings that allows the time domain signal of the vibration responses of compound faults on the inner and outer races to be obtained. Adopting an improved continuous harmonic wavelet packet decomposition method for the decomposition and reconstruction of the compound fault signal, we arrive at the corresponding single-point fault signal. The relationship between defect size and key metrics of the vibration, such as root mean square acceleration (RMS), peak, crest factor (CF), kurtosis, and level crossing rate (LCR), is investigated. The results show that there is a strong linear correlation between LCR and defect size, which can be used to evaluate the size of the defect. Experimental data for cylindrical roller bearings with compound faults on the inner and outer races are examined to verify the results.

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Optimal lapping and polishing process parameters for finer surface finishing of GCr15 steel cylindrical roller bearings

Koneru,

Srinath,

Rao

et al. 2023

Int J Interact Des Manuf

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Optimal Design of Clearances of Cylindrical Roller Bearing Components Based on Dynamic Analysis

Cited by 4 publications

References 19 publications

Condition Monitoring of Horizontal Sieving Screens—A Case Study of Inertial Vibrator Bearing Failure in Calcium Carbonate Production Plant

Condition Monitoring of Horizontal Sieving Screens—A Case Study of Inertial Vibrator Bearing Failure in Calcium Carbonate Production Plant

Defect Size Evaluation of Cylindrical Roller Bearings with Compound Faults on the Inner and Outer Races

Optimal lapping and polishing process parameters for finer surface finishing of GCr15 steel cylindrical roller bearings

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