... rolling elements and raceways, aiming to obtain more precise and realistic dynamic descriptions. To date, few studies have explored PCM’s application in rolling bearing contact analysis. Although PCM can be extended to complex and irregularly shaped faults, this work focuses on modeling a simple fault...

...Xiaoming Han; He Zhang; Kangjian Yang Purpose This study aims to investigate the temperature rise characteristics of vibrating rolling bearings under the influence of the polarization force of unbalanced eccentric blocks. A thermal-fluid-solid mechanics coupled finite element model is established...

... diagnosis method of rolling bearing using refined composite multiscale peak-to-peak normalized dispersion entropy (RCMPNDE) and sparrow search algorithm optimized probabilistic neural network (SSA-PNN) is proposed. First, coarse-graining employs the peak-to-peak value calculation instead of the segmented...

...Mengsha Bai; Junning Li; Long Zhao; Yuan Wang Purpose The purpose of this study is to reveal the significant contribution of MXene on enhancing tribological properties and to obtain the influence mechanism of various factors on friction characteristics of rolling bearing under extreme conditions...

.... Compared with the original bearing, the bearing with a V-shaped groove had the optimal lubrication and cooling performance. Originality/value A rolling bearing model of the noncontact outer ring area with grooves under oil interruption is established in the paper. The simulation results provide...

...Wenxun Jiang; Wen Wang; Mingfei Ma Purpose Due to high speeds, heavy loads, large slide-to-roll ratios (SRR) and other variable operating conditions, some rolling bearings that have been working in harsh conditions may experience flash temperatures in the contact area, which may result in early...

... of rolling bearing fault diagnosis. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-04-2023-0113/ In this article, the delay time is determined by the C-C method (Kim et al., 1999). Define the test statistic: (2) S 1...

...Li Cui; Yin Su Purpose Rolling bearings often cause engineering accidents due to early fatigue failure. The study of early fatigue failure mechanism and fatigue life prediction does not consider the integrity of the bearing surface. The purpose of this paper is to find new rolling contact fatigue...

...Defeng Lv; Huawei Wang; Changchang Che Purpose The purpose of this study is to achieve an accurate intelligent fault diagnosis of rolling bearing. Design/methodology/approach To extract deep features of the original vibration signal and improve the generalization ability and robustness...

...Changchang Che; Huawei Wang; Xiaomei Ni; Qiang Fu Purpose The purpose of this study is to analyze the intelligent fault diagnosis method of rolling bearing. Design/methodology/approach The vibration signal data of rolling bearing has long time series and strong noise interference, which brings...

...Yang Li; Zhaojun Yang; Fei Chen; Jin Zhao Purpose This paper aims to investigate the effects of air inlet flow rate on the bearing cavity and operating conditions during the oil-air lubrication. Design/methodology/approach A model of oil-air lubrication of rolling bearings is established using...

...Jianhua Cai Purpose This paper aims to explore a new way to extract the fault feature of a rolling bearing signal on the basis of a combinatorial method. Design/methodology/approach By combining local mean decomposition (LMD) with Teager energy operator, a new feature-extraction method...