Reducing undesirable effects of clearances on dynamic and wear of planar multi-link mechanism

Jiang, Shuai; Chen, Xiulong

doi:10.1007/s11071-020-05591-w

Cited by 13 publications

(2 citation statements)

References 72 publications

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“…where w V is the wear amount, s is the relative sliding distance, k is the dimensionless wear coefficient, N F represents the normal contact force, and H denotes the hardness of the soft material [72,73].…”

Section: Wear Model Of Revolute Joint With Clearancementioning

confidence: 99%

Modeling and simulation for wear prediction in planar mechanical systems with multiple clearance joints

Wang

Gantes

et al. 2022

Nonlinear Dyn

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Highlights1. A comprehensive dynamic modeling procedure for planar mechanical system considering joint clearance and wear.2. A new contact surface discretization method together with Lagrangian method for dynamic equation of multibody system.3. Wear volume is quantified and the contact surface profile is updated.4. Coupling of clearance size, number of clearance and driving condition in real joints.

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Section: Wear Model Of Revolute Joint With Clearancementioning

confidence: 99%

Modeling and simulation for wear prediction in planar mechanical systems with multiple clearance joints

Wang

Gantes

et al. 2022

Nonlinear Dyn

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show abstract

“…In order to reduce the system wear problem caused by the existence of clearance joints, scholars not only studied the wear effect of the system with clearance, but also reduced the wear behavior of the multi-body system by optimizing system design, local flexibility and lubrication. [28][29][30] Research shows that reasonable design of the clearance size, local flexible members, and lubrication can effectively reduce wear.…”

Section: Introductionmentioning

confidence: 99%

Research on irregular wear mechanism of planar multi-body mechanical system with multi-clearance joints

Wang

Jin

Wei

et al. 2022

Advances in Mechanical Engineering

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An approach for analyzing and quantifying the irregular wear effect of planar multi-body mechanical system with multi-clearances is proposed. The classical planar four-bar linkage is used as a demonstrative example to study the mechanism of irregular wear effect of multi-body system with multi-clearances. The system dynamic equation is established using Lagrange multiplier method, the contact force and friction in the process of contact collision are respectively modeled using the Lankarani-Nikravesh (L-N) nonlinear contact force and LuGre models, and the wear depth prediction model for multi-clearance joints is built based on Archard’s equation. The influence of the crank speed, clearance number, clearance position and clearance size on the wear effect of multi-clearances system is comprehensively studied. Numerical simulation results show that the wear depth joint increases with increase of crank speed, and there are significant differences in the wear depth of different clearance joints. When the clearance size changes, the significant nonlinear wear phenomenon appears at different joints, when the clearance size of different joints meets a certain proportion, the system wear phenomenon is the least. The obtained valuable results provide important theoretical support for the optimal design of multi-clearance joints system.

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Experimental research and dynamics analysis of multi-link rigid–flexible coupling mechanism with multiple lubrication clearances

et al. 2023

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Reducing undesirable effects of clearances on dynamic and wear of planar multi-link mechanism

Cited by 13 publications

References 72 publications

Modeling and simulation for wear prediction in planar mechanical systems with multiple clearance joints

Modeling and simulation for wear prediction in planar mechanical systems with multiple clearance joints

Research on irregular wear mechanism of planar multi-body mechanical system with multi-clearance joints

Experimental research and dynamics analysis of multi-link rigid–flexible coupling mechanism with multiple lubrication clearances

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