Modeling and simulation of flexible slider-crank mechanism with clearance for a closed high speed press system

Zheng, Enlai; Zhou, Xinlong

doi:10.1016/j.mechmachtheory.2013.11.015

Cited by 101 publications

(40 citation statements)

References 24 publications

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“…Dubowsky and Gardner [9] combined the perturbation coordinate method and the assumed mode method to establish the system motion equation and laid the theoretical foundation for considering both the subclearance and the flexible component. Zheng and Zhou [10] studied the effects of clearance values by ADAMS. Jin Chunmei and Qiu Yang [11] established the dynamic model of the elastic linkage mechanism with clearances based on the FMD theory and obtained the dynamic response of the elastic mechanism with clearances.…”

Section: Introductionmentioning

confidence: 99%

Dynamics Behavior Analysis of Parallel Mechanism with Joint Clearance and Flexible Links

Chen

Jia

Deng

et al. 2018

Shock and Vibration

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In this study, the dynamics behaviors analysis of parallel mechanism considering joint clearance and flexible links are investigated using a computational methodology. The nonlinear dynamic model of 4-UPS-RPS spatial parallel mechanism with clearance in spherical joint and flexible links is established by combining KED method and Lagrange method. The dynamic responses including collision force and motion characteristics of the moving platform are obtained. Chaos and bifurcation are analyzed. The effects of different clearances on the dynamics behaviors of the parallel mechanism are studied. The results show that 4-UPS-RPS spatial parallel mechanism is very sensitive to joint clearance and flexible links, and small variations in the clearance value can cause the mechanism change from periodic motion to chaotic motion. This research provides a methodology for forecasting the dynamics behavior of parallel mechanisms with clearance and flexible links.

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Section: Introductionmentioning

confidence: 99%

Dynamics Behavior Analysis of Parallel Mechanism with Joint Clearance and Flexible Links

Chen

Jia

Deng

et al. 2018

Shock and Vibration

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“…They also performed the optimization study of mechanical system for reducing the vibration effects. Zheng and Zhou (2014) built the dynamic model of a high speed press system with consideration of flexible link and clearance joints. They proposed an effective dynamic model to study the effects of clearance joints on a high speed press system.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study of Joint Clearance Effects on Dynamic Behavior of Planar Multibody Mechanical Systems

Chen

Sun

Peng

et al. 2016

Lat. Am. j. solids struct.

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Clearance always exists in actual joint due to many uncertainties such as machining tolerance, assemblage and load deformation. The main purpose of this paper is to propose a computational and experimental study on the dynamic characteristics of a planar multibody mechanical system with joint clearance. For this purpose, a suitable dynamic model plays a crucial role in simulating the overall performance of the mechanical systems. To describe the interaction in joints with clearance, the normal contact model is established based on the Lankarani-Nikravesh contact force model, while the friction effect is conducted using the Coulomb friction model. Meanwhile, the experimental platform is set up and a planar mechanism with clearance joint is employed as a model mechanism. The obtained results demonstrate that the dynamic behavior of the mechanism can be effectively predicted by this method. Furthermore, the effects of the rotational speed of crank shaft and size of joint clearance on the dynamic response of the mechanism are investigated.

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“…Theoretical information about the effect of friction-induced vibration and contact mechanics on the maximum contact pressure and moment of artificial hip implants were also outlined [11]. Except for compliant theme, the effects of flexibility [12][13][14][15][16][17] and multiple clearance joints [18,19] were also considered. The effects of joint clearance on kinematics and dynamics of robot manipulator and conventional articulated mechanisms were performed [20,21].…”

Section: Introductionmentioning

confidence: 99%

Effects of joint clearance on the dynamics of a partly compliant mechanism: Numerical and experimental studies

Erkaya

Doğan

Ulus

2015

Mechanism and Machine Theory

117

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Modeling and simulation of flexible slider-crank mechanism with clearance for a closed high speed press system

Cited by 101 publications

References 24 publications

Dynamics Behavior Analysis of Parallel Mechanism with Joint Clearance and Flexible Links

Dynamics Behavior Analysis of Parallel Mechanism with Joint Clearance and Flexible Links

A Comparative Study of Joint Clearance Effects on Dynamic Behavior of Planar Multibody Mechanical Systems

Effects of joint clearance on the dynamics of a partly compliant mechanism: Numerical and experimental studies

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