Academic literature on the topic 'Self Aligning Ball Bearing'

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Journal articles on the topic "Self Aligning Ball Bearing"

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Geng, Keke, and Shengye Lin. "Effect of angular misalignment on the stiffness of the double-row self-aligning ball bearing." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 4 (2019): 946–62. http://dx.doi.org/10.1177/0954406219885979.

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The double-row self-aligning ball bearing commonly runs with angular misalignment between the inner and outer rings, and the angular misalignment significantly affects the bearing performance. However, the effect of angular misalignment on the dynamic characteristics of the double-row self-aligning ball bearing has not been studied thoroughly. This paper investigates the effect of angular misalignment on the stiffness of the double-row self-aligning ball bearing. The quasi-static model for the double-row self-aligning ball bearing is established with five degrees of freedom, namely, three tran
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Bercea, I., D. Nélias, and G. Cavallaro. "A unified and simplified treatment of the non-linear equilibrium problem of double-row rolling bearings. Part 1: Rolling bearing model." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 217, no. 3 (2003): 205–12. http://dx.doi.org/10.1243/135065003765714854.

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To increase the rigidity of bearings-shaft systems, the shaft is often supported by a series of double-row rolling bearings. Little work on multiple-row rolling bearings has been published. A comprehensive model is proposed which permits the determination of the internal interactions. The total elastic deflection between bearing rings is described using a vector-and-matrix method. A variety of double-row rolling bearing types are analysed, such as tapered roller bearing, cylindrical roller bearing, spherical roller bearing, self-aligning ball bearings and angular contact ball bearing. The basi
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Wojnar, Grzegorz, and Michał Juzek. "The Impact of Non-Parallelism of Toothed Gear Shafts Axes and Method of Gear Fixing on Gearbox Components Vibrations." Acta Mechanica et Automatica 12, no. 2 (2018): 165–71. http://dx.doi.org/10.2478/ama-2018-0026.

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Abstract The subject of the experimental research was a modified back-to-back test stand. During the test, the driven gear with a number of teeth z1=16 was fixed on stationary axis. The tested gearbox worked without load and the closing gearbox was dismantled to avoid any additional vibration and noise. A mechanical system was also used which, during the tests, allowed to change the position of the above mentioned stationary axis. Gear with number of teeth z1 was fixed on a stationary axis with the arrangement of two self-aligning ball bear-ings which prevented significant changes in the angul
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Vartha, Venkateswarlu, M. S. Arun Kumar, Saxon Mathew, et al. "Failure Analysis of Ball-Bearing of Turbo-Pump Used in Liquid Rocket Engine." Materials Science Forum 830-831 (September 2015): 709–12. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.709.

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Rolling contact bearings often referred as antifriction bearings are found in many applications where rotating components are involved. Extreme operating conditions, counterfeit or inferior quality bearings, inadequate lubrication, etc often lead to bearing failures. Each rolling contact bearing failure leaves traces of evidences on what caused its failure. Failure analysis of one such bearing is the subject of this paper.One of the engine ground tests was aborted due to the failure of a self-aligning deep groove ball bearing used in turbo-pump of a liquid rocket engine. Series of engine groun
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Kushal, Goyal*1 &. Pratesh Jayaswal2. "FAULT ANALYSIS IN SELF ALIGNING BALL BEARING BY WAVELET TRANSFORM BASED FEATURE EXTRACTION USING NEURAL NETWORKS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 7 (2017): 536–49. https://doi.org/10.5281/zenodo.829767.

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The objective of the present work is to classify different individual defects in case of self aligning ball bearing by using statistical tools coupled with a machine learning technique. The analysis of the generated results is then made and a better understanding of theoretical observations has been put in. To study fault in the bearing, vibration analysis procedure has been undertaken. In the present study, inner race and rough surface defects have been considered. The useful features of the vibration signal have been extracted by using Wavelet Transform which are then used as input to Neural
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Parmar, Vivek, VH Saran, and SP Harsha. "Nonlinear vibration response analysis of a double-row self-aligning ball bearing due to surface imperfections." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 234, no. 3 (2020): 514–35. http://dx.doi.org/10.1177/1464419320924918.

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This work attempts to study the vibration response of a double-row self-aligning ball bearing due to surface and localized imperfections. For the contact deformation at the ball–race interactions, the Hertzian load–deflection relation is used for the evaluation of time-varying contact stiffness. The elastohydrodynamic theory is applied to find out the central film thickness. For both the inner and outer race waviness cases, the system response is observed as periodic (with vibrations of high amplitude) at [Formula: see text], i.e. multiples of Nb and its vicinity, but gradually turns to quasi-
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Parmar, Vivek, V. Huzur Saran, and S. P. Harsha. "Effect of an unbalanced rotor on dynamic characteristics of double-row self-aligning ball bearing." European Journal of Mechanics - A/Solids 82 (July 2020): 104006. http://dx.doi.org/10.1016/j.euromechsol.2020.104006.

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Ambrożkiewicz, Bartłomiej, Arkadiusz Syta, Anthimos Georgiadis, Alexander Gassner, Grzegorz Litak, and Nicolas Meier. "Intelligent Diagnostics of Radial Internal Clearance in Ball Bearings with Machine Learning Methods." Sensors 23, no. 13 (2023): 5875. http://dx.doi.org/10.3390/s23135875.

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This article classifies the dynamic response of rolling bearings in terms of radial internal clearance values. The value of the radial internal clearance in rolling-element bearings cannot be described in a deterministic manner, which shows the challenge of its detection through the analysis of the bearing’s dynamics. In this article, we show the original approach to its intelligent detection through the analysis of short-time intervals and the calculation of chosen indicators, which can be assigned to the specific clearance class. The tests were carried out on a set of 10 brand new bearings o
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Xing, Yu, Yifei Zhang, Yin Zhang, Daoyun Qiao, Yuxia Pei, and Yuan Xiao. "Dynamic Service Mechanism of Double-Row Spherical Roller Bearings Due to Self-Aligning Behavior." Machines 11, no. 3 (2023): 400. http://dx.doi.org/10.3390/machines11030400.

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Spherical roller bearings (SRBs) are widely used under self-aligning operating conditions, such as rotor bending or an angular misalignment between inner and outer rings due to their self-aligning function. However, the characterization of SRBs’ self-aligning function is often ignored in the present models. The reason for this is that the self-aligning condition is essentially a fault condition, and many scholars have assumed SRBs are in an ideal operating condition. Although there is nothing wrong with this analysis theoretically, it is incapable of characterizing SRBs’ service behavior compr
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Ambrożkiewicz, Bartłomiej, Arkadiusz Syta, Anthimos Georgiadis, Alexander Gassner, and Nicolas Meier. "Experimental Verification of the Impact of Radial Internal Clearance on a Bearing’s Dynamics." Sensors 22, no. 17 (2022): 6366. http://dx.doi.org/10.3390/s22176366.

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This paper focuses on the influence of radial internal clearance on the dynamics of a rolling-element bearing. In the beginning, the 2—Degree of Freedom (DOF) model was studied, in which the clearance was treated as a bifurcation parameter. The derived nonlinear mathematical model is based on Hertzian contact theory and takes into consideration shape errors of rolling surfaces and eccentricity reflecting real operating conditions. The analysis showed characteristic dynamical behavior by specific clearance range, which reflects others in a low or high amplitude and can refer to the optimal clea
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Dissertations / Theses on the topic "Self Aligning Ball Bearing"

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CABRAL, Adriano de Sousa. "Estudo termográfico de auxílio à detecção de falhas por desgaste mecânico em rolamento autocompensador de esferas." Universidade Federal de Campina Grande, 2017. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1497.

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Submitted by Maria Medeiros (maria.dilva1@ufcg.edu.br) on 2018-08-20T12:32:16Z No. of bitstreams: 1 ADRIANO DE SOUSA CABRAL - DISSERTAÇÃO (PPGEM) 2017.pdf: 4297640 bytes, checksum: 947cc1f3c800182da45417aaab2b3861 (MD5)<br>Made available in DSpace on 2018-08-20T12:32:16Z (GMT). No. of bitstreams: 1 ADRIANO DE SOUSA CABRAL - DISSERTAÇÃO (PPGEM) 2017.pdf: 4297640 bytes, checksum: 947cc1f3c800182da45417aaab2b3861 (MD5) Previous issue date: 2017-07-26<br>O objetivo desta pesquisa foi analisar se a Termografia pode auxiliar na detecção de falhas em elementos de máquinas, notadamente rolamentos au
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Book chapters on the topic "Self Aligning Ball Bearing"

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Ambrożkiewicz, Bartłomiej, Grzegorz Litak, Anthimos Georgiadis, Arkadiusz Syta, Nicolas Meier, and Alexander Gassner. "Mathematical Model of Double Row Self-Aligning Ball Bearing." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-56496-3_3.

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Aye, Sylvester A., Philippus S. Heyns, and Coenraad J. H. Thiart. "Seeded Damage Detection on Self-aligning Ball Bearings with Acoustic Emission." In Condition Monitoring of Machinery in Non-Stationary Operations. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28768-8_53.

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Narendiranath Babu, T., Abhinav Giri Goswami, Animesh Srivastava, and Rishabh Kumar Tiwari. "Vibrational Analysis of Self-aligning Rolling Contact Bearing Defects." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2718-6_21.

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Parmar, Vivek, Subodh Kumar, Varun Sharma, and S. P. Harsha. "Effect of Dynamic Misalignment on the Stiffness Characteristics of a Double-Row Self-Aligning Rolling-Element Bearing." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8343-8_23.

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"Self-Aligning Ball Bearings." In Encyclopedia of Lubricants and Lubrication. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_200414.

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Conference papers on the topic "Self Aligning Ball Bearing"

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Lewis, Brandyn, and Brian Tucker. "Wear Sensors for Pitch Control Bearing Condition Based Maintenance." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12086.

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Self-lubricating rotor blade pitch control bearings are critical to safe operation and fleet readiness. However, detecting bearing liner wear can be subjective and time consuming. Standard measurement techniques could lead to unsafe operational conditions or poor bearing life utilization. Excessive inspections, unplanned downtime and poor part utilization may be driven for safety and result in increased cost. New Hampshire Ball Bearings (NHBB) has developed a novel new approach that provides clear indication of when a bearing should be replaced. An embedded bearing liner wear sensor is connect
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Boersma, Pieter, Todd Currier, Jason Ferrante, and Julius Rosenthal. "Experimental Evidence to Influence Design of Novel Low Lubrication Method for Rotorcraft Secondary Lubrication Systems." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-279.

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This paper presents experimental research aimed at developing novel low lubrication methods for rotorcraft and jet engines, focusing on sustaining minimal lubrication to prevent catastrophic bearing failure during loss of lubrication (LoL) events or to increase fuel consumption performance on once-through, fuel-oil bearing lubrication engines. Utilizing two high-speed bearing test rigs simulating low and high thrust class engine conditions, the study establishes lower bounds for oil flow rates necessary to maintain thermal stability and prevent thermal runaway in hybrid ball bearings. These fi
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Xu, Xinhang, Bing Wang, and Xudong Han. "Fast-steering Mirror with Self-aligning ball bearing Supporting Structure." In 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), edited by Tianchun Ye, Song Hu, Yanqiu Li, Xiangang Luo, and Xiaoyi Bao. SPIE, 2012. http://dx.doi.org/10.1117/12.974454.

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Ghalamchi, Behnam, Jussi T. Sopanen, and Aki M. Mikkola. "Dynamic Model of Spherical Roller Bearing." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12102.

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Rolling element bearings are essential machine elements in the rotating machinery. Extensive research has been conducted to study the dynamics of ball bearings, while studies related to spherical roller bearings are short-shrifted. On the other hand, the number of industrial applications that utilize spherical roller bearings has been increasing constantly. This is due to self-aligning nature and high-load capacity of spherical roller bearings. Typical applications are paper machines, steel rolling, marine equipment, geared transmissions and modern high power wind turbines. This study introduc
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Koondilogpiboon, Nuntaphong, and Tsuyoshi Inoue. "Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90951.

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Abstract In this study, the difference in dynamic behavior of the rotor-bearing system supported by the bearing model that considers both lateral and angular whirling motions of the journal (model A), and the model that considers only lateral whirling motion (model B) is investigated. The rotor model consists of a slender shaft, a large disk and two small disks supported by a self-aligning ball bearing and an axial groove journal bearing of L/D = 0.6. Three positions of the large disk: 410, 560, and 650 mm measured from the ball bearing, are investigated. Numerical integration of the rotor-bea
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Koondilogpiboon, Nuntaphong, and Tsuyoshi Inoue. "Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Journal Bearing Considering Journal Angular Motion." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97404.

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Abstract The effect of bearing length to diameter (L/D) ratio and large disk position on nonlinear vibration (limit cycle and bifurcation type) of a flexible rotor-bearing system is investigated. The rotor consists of a shaft modeled by 1-D finite elements (FE), two small disks and a large disk. It is supported by a self-aligning ball bearing and an axial-groove journal bearing with L/D ratio of 0.4 and 0.6. Two large disk positions: 340 and 575 mm measured from the ball bearing are investigated. The journal angular motion, which is essential for the highly flexible rotor but typically not con
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Nagasaka, Imao, Jun Liu, Yukio Ishida, and Kouta Katou. "Forced Vibrations of Continuous Rotor With Strong Geometrical Nonlinearity." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48403.

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When both ends of an elastic continuous rotor are supported simply by double-row self-aligning ball bearings, the geometrical nonlinearity appears due to the stiffening effect in elongation of the rotor if the movement of the bearings in the longitudinal direction is restricted. As the rotor becomes more slender, the geometrical nonlinearity becomes stronger. In this paper, we study unique nonlinear phenomena due to the strong nonlinear spring characteristics and an initial axial force in the vicinity of the major critical speed ωc and twice ωc. When the rotor is supported horizontally, the di
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Leão, Leandro de S., Aldemir Ap Cavalini, Tobias S. Morais, Gilberto Pechoto de Melo, and Valder Steffen. "Fault Detection in Rotating Machinery by Using the Modal State Observer Approach." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67044.

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The presence of transversal cracks in rotating shafts can lead to catastrophic failures, which imply economic losses and security issues. In the last years, an important attention has been devoted to this subject, leading to the development of several vibration-based structural health monitoring approaches. In this paper, a fault detection technique based on the so-called modal state observer is applied to detect transversal cracks in rotating machines. The Luenberger state observer is described in modal domain to determine the most affected vibration modes due to the crack presence. A cracked
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Beil, Jonas, Charlotte Marquardt, and Tamim Asfour. "Self-aligning exoskeleton hip joint: Kinematic design with five revolute, three prismatic and one ball joint." In 2017 International Conference on Rehabilitation Robotics (ICORR). IEEE, 2017. http://dx.doi.org/10.1109/icorr.2017.8009436.

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Trivedi, Hitesh K., Christopher J. Klenke, James King, and Nelson H. Forster. "Rolling Contact Evaluation of Self-Lubricating Ball Bearing Retainer Materials at 482°C and 650°C." In 1996 SAE International Fall Fuels and Lubricants Meeting and Exhibition. SAE International, 1996. http://dx.doi.org/10.4271/962108.

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