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Article
Mechanics
Ravi Sinha et al.
Summary: This study analyzes the performance characteristics of a deep groove single row 6206 ball bearing with variable clearance using a mathematical model. The results show that under a specific angular movement of the outer elliptical ring, the load shared by most loaded ball in the bearing with variable clearance is significantly reduced, thus enhancing the radial load carrying capacity.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2023)
Article
Engineering, Mechanical
Pengfei Wang et al.
Summary: This paper studies the vibration characteristics of cage fracture faults in rolling bearings from both simulation and experimental aspects. It finds that when cage fracture occurs, the system amplitude increases and obvious impact vibration characteristics appear, and the vibration energy gradually concentrates to low-frequency vibration. These results provide important reference for the identification and diagnosis of rolling bearing misalignment and cage fracture.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2023)
Article
Engineering, Mechanical
Lei Hou et al.
Summary: This paper investigates the combination resonances of a dual-rotor system with inter-shaft bearing. The motion equations of the system are formulated using the Lagrange equation, considering unbalanced excitations and inter-shaft bearing clearance. The HB-AFT method is used to obtain all periodic solutions, including the unstable ones. The study analyzes the combination resonance characteristics by utilizing frequency response curves and separated frequency responses. The effects of inter-shaft bearing clearance on the combination resonance regions are also investigated.
NONLINEAR DYNAMICS
(2023)
Article
Automation & Control Systems
Chuanxi Jin et al.
Summary: This paper analyzes the reliability coupling mechanism of T-rotation-type CMA based on meta-action theory. By establishing bearing models, stiffness models, and dynamic models, and using interval theory to construct the reliability coupling model, the reliability coupling mechanism of T-rotation-type CMA under frame deformation is verified and analyzed.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Engineering, Mechanical
Tuhin Choudhury et al.
Summary: This study proposed two novel methods, namely Base Excitation Method and Bearing Kinematics Augmented Base Excitation Method, for solving responses caused by bearing waviness excitation. The methods were validated and showed relatively accurate results with reduced computational time compared to previous time domain solutions.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Mechanical
Bartlomiej Ambrozkiewicz et al.
Summary: This work presents a quantitative and qualitative analysis of the dynamic response of ball bearings dependent on radial internal clearance. Several indicators with different sensitivity to changes in internal clearance were identified, which are useful for real-time monitoring of operating clearance.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Mechanical
Pengfei Wang et al.
Summary: This paper analyzes the effects of axial, radial, and tilt misalignments on the dynamic characteristics of the planetary gear set-rotor system. It proposes a nonlinear restoring force model for ball bearings under different misalignment conditions. The dynamic model of the planetary gear set is established using the lumped parameter method, and the rotor is modeled using the Timoshenko beam element. The results show that misalignments reduce vibration amplitude but increase load-bearing area and contact load. Different types of misalignments also affect the varying compliance frequency amplitude of the bearing. The research provides a theoretical basis for fault diagnosis and identification of bearing misalignment in complex rotating machinery systems.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Mechanical
Tianrui Yang et al.
Summary: In this paper, a finite element model is established to analyze the effects of rotating-flexible shaft-disk-drum system with bolted joints. The model takes into account rotation-induced effects and is validated by literature and experiments. Several conclusions are drawn regarding the natural characteristics of the SDR system.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Mechanical
Pengfei Wang et al.
Summary: The rotor misalignment fault is a common fault in rotating machinery systems, which has a significant impact on the dynamic characteristics of the system, especially in the low-speed range. Bearing misalignment should not be ignored and needs to be considered in modeling. Misalignment causes periodic changes in bearing contact angle, radial clearance, and ball rotational speed, as well as increasing the critical speed and axial vibration of the system.
NONLINEAR DYNAMICS
(2022)
Article
Engineering, Mechanical
Zhifeng Shi et al.
Summary: A dynamic model of a planetary needle roller bearing (PNRB) considering the waviness is proposed, and the effects of waviness on the contact forces and dynamics of PNRB elements are discussed.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART K-JOURNAL OF MULTI-BODY DYNAMICS
(2022)
Article
Mechanics
Fanjie Li et al.
Summary: This paper proposes a nonlinear dynamic model based on the structure of damaged bearings, and analyzes the influence of radial load, rotational speed, and shaft current damage on the nonlinear characteristics of the bearing system. The results show that the system exhibits bifurcation, jump, and chaos, and the characteristics of the system change with different parameters.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2022)
Article
Engineering, Mechanical
Hongyang Xu et al.
Summary: This study proposes a novel dynamic model of the bearing-rotor system, considering the inner ring dynamic misalignment and incorporating nonlinearity and axial restraint. The accuracy of the model is verified through experimentation, and the effects of misalignment angle, radial clearance, and rotational speed on system dynamic characteristics are analyzed.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2022)
Article
Mechanics
Jing Liu et al.
Summary: Manufacturing errors can significantly impact the performance and service life of angular contact ball bearings (ACBBs). Vibration analysis of ACBBs provides guidance for quality diagnosis and improvement. The study finds that the vibrations caused by roundness and waviness differ between the inner and outer raceways of ACBBs, and the vibration on the inner raceway is greatest when the waviness order is a multiple of the number of balls.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2022)
Article
Engineering, Mechanical
Hongyang Xu et al.
Summary: The study focused on the impact of raceway misalignment of deep groove ball bearings on the supporting stiffness and vibration behavior of transmission systems, revealing that raceway misalignment enhances the coupling characteristics of bearing stiffness and exacerbates axial vibration of the system.
MECHANISM AND MACHINE THEORY
(2022)
Article
Engineering, Mechanical
Xiaotian Bai et al.
Summary: This study presents a dynamic model considering the temperature-varying gap and time-varying contact between the full ceramic ball bearing and the steel pedestal in wide temperature ranges. Results show that increased gap at high temperatures leads to looseness and misalignment of the bearing, causing an increase in vibration of the rotor system.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2022)
Article
Engineering, Mechanical
Yanfei Zhang et al.
Summary: This paper constructs a quasi-static angular contact ball bearing model considering assembly accuracy, and establishes a numerical solution method for bearing stiffness under bad assembly states. The influence of different spacer inclinations on bearing stiffness performance, as well as the effects of preload and rotation speed considering different parallelism errors induced by the spacers, were systematically investigated. The study also investigates the influence mechanism of badly assembled bearings on stiffness anisotropy.
Article
Engineering, Mechanical
Peng Gao et al.
Summary: This paper introduces an analytical method to study the nonlinear phenomena of a simple dual-rotor system in primary resonances. By using the assumed mode method, dynamic equations of the system with four degrees of freedom are established and converted into 2DOF dynamic equations in complex coordinate due to the system's symmetry in two directions. The results show that the system exhibits jump phenomenon and resonance hysteresis phenomenon when the linear stiffness is low and the nonlinear stiffness is high.
JOURNAL OF VIBRATION ENGINEERING & TECHNOLOGIES
(2021)
Article
Mechanics
Zhenyong Lu et al.
Summary: This study focuses on the nonlinear behaviors of a dual-rotor system supported by a rolling element bearing, discussing the time-varying stiffness and primary resonance behaviors affected by the ball bearing parameters. The results show that the mean values of the equivalent stiffness of the system and the rotation speed for forced resonance decrease as the clearance of the ball bearing increases.
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
(2021)
Article
Chemistry, Multidisciplinary
Bartlomiej Ambrozkiewicz et al.
Summary: This paper presents a two degrees of freedom dimensionless mathematical model for ball bearings, considering nonlinear features such as stiffness, damping, and radial internal clearance. The study also investigates the effects of external load, eccentricity of the shaft-bearing system, and shape errors on the raceway. Analysis of the obtained responses provides rich information about the dynamics of the system.
APPLIED SCIENCES-BASEL
(2021)
Article
Engineering, Mechanical
Huihui Miao et al.
Summary: This study investigates the dynamic characteristics of the CNC vertical milling machine spindle system using a novel dynamic model. Factors influencing spindle vibration behavior and stability, such as spindle speed, bearing parameters, and external factors, are identified and analyzed. Experimental validation of the model's effectiveness suggests it can benefit spindle structural design and machining accuracy optimization.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Engineering, Mechanical
Huaitao Shi et al.
Summary: This paper presents a dynamic model considering temperature-related clearance and parameter analysis method, the results of which are verified through experiments. It is also noted that increasing axial preload can improve the stability of the bearing system.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Engineering, Mechanical
Yuegang Luo et al.
Summary: This study established a finite element model of seal-rubbing rotor system based on various force models, analyzing the vibration characteristics under the coupling faults of airflow excitation and rub-impact. Results showed that airflow excitation exhibits frequency locking and combination frequency when rub-impact fault is absent, while the coupling dynamic responses of airflow-induced vibration and rub-impact fault display nonlinear phenomena closely related to the degree of rub impact.
JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS
(2021)
Article
Engineering, Mechanical
Vivek Parmar et al.
Summary: This paper aims to investigate the physics governing the vibration response of spherical rolling-element bearing with a localized defect and subjected to dynamic-misalignment. The study found that an increase in radial and axial loads have contrasting effects on the acceleration response and contact load shared by the two bearing rows. Furthermore, the behavior observed from the numerically simulated results was validated from the vibration data obtained experimentally from the test-rig.
MECHANISM AND MACHINE THEORY
(2021)
Article
Engineering, Industrial
B. Ambrozkiewicz et al.
Summary: The study proposes a method for analyzing short time intervals of ball bearings, investigating the impact of internal clearance on the dynamics using recurrence plots and quantification approach. By changing the damping coefficient, the analysis focused on dynamic states from a 2-DOF mathematical model with different radial clearance values showing specific dynamic responses.
INTERNATIONAL JOURNAL OF SIMULATION MODELLING
(2021)
Article
Engineering, Mechanical
Kunpeng Xu et al.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2020)
Article
Engineering, Mechanical
Yanfei Zhang et al.
MECHANISM AND MACHINE THEORY
(2020)
Article
Metallurgy & Metallurgical Engineering
Hai-min Zhu et al.
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2020)
Article
Mathematics, Interdisciplinary Applications
Weidi Huang et al.
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS
(2019)
Article
Engineering, Mechanical
Yongzhen Liu et al.
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
(2019)
Article
Mechanics
Zhenyong Lu et al.
ARCHIVE OF APPLIED MECHANICS
(2019)
Article
Acoustics
Guo Chen et al.
JOURNAL OF SOUND AND VIBRATION
(2019)
Article
Engineering, Mechanical
Haifei Wang et al.
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
(2017)
Article
Engineering, Mechanical
Jun Yi et al.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART K-JOURNAL OF MULTI-BODY DYNAMICS
(2014)
Article
Engineering, Multidisciplinary
S. H. Upadhyay et al.
INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION
(2011)
Article
Engineering, Aerospace
Wang Liqin et al.
Chinese Journal of Aeronautics
(2008)
Article
Engineering, Mechanical
A. N. Lioulios et al.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2006)
Article
Engineering, Mechanical
S. P. Harsha
MECHANISM AND MACHINE THEORY
(2006)
Article
Engineering, Aerospace
BH Ertas et al.
JOURNAL OF PROPULSION AND POWER
(2004)