Simulation Analysis of Friction and Wear of New TiAl based Alloy Joint Bearings

Che, Wang; Yang, Liting; Wang, Shouren

doi:10.2991/icmeit-19.2019.127

Proceedings of the 3rd International Conference on Mechatronics Engineering and Information Technology (ICMEIT 2019) 2019

DOI: 10.2991/icmeit-19.2019.127

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Simulation Analysis of Friction and Wear of New TiAl based Alloy Joint Bearings

Wang Che¹,

Liting Yang²,

Shouren Wang³

Abstract: Using Workbench simulation to analyze the friction and wear characteristics of joint bearings under axial load of 1KN and rotation speed of 100r/min. Contrasting simulation results show that the new TiAl-based alloy can effectively improve the joint bearing friction and wear performance, and it occurs on the inner ring of the joint bearing.

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2021

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A Novel Ring Spring Vibration Isolator for Metro Superstructure

Ling

et al. 2021

Applied Sciences

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Due to the serious impact of metro vibration on people’s lives, it is important to design vibration isolators. In this study, the dynamic characteristics of a thick-walled ring spring are studied first. Through theoretical derivation, a new formula suitable for thick-walled ring springs is proposed. Finite element numerical analysis was performed to study the load–displacement curve and stress of the ring spring and verified the correctness of the formula. According to the studied mechanic characteristics, a novel ring spring isolator is proposed for vibration isolation of the metro superstructure. With the help of a ring spring, the proposed isolator has good energy absorption and self-reset function. The dynamic simulations were conducted in a multi-story building with the ring spring isolator as the isolator to study the vibration performance. It is common knowledge that the vertical natural frequency of the superstructure that is isolated by compression springs is given by the mass of the superstructure and the spring stiffness. In order to obtain vibration attenuation and control the vertical deformation, the spring stiffness needs to be 500–1000 kN/mm. Hence, it is clear that the vibration isolator does reduce the vertical eigenfrequency. By comparing the isolated structure with the non-isolated structure, it is proved that the new isolator can effectively improve a building’s serviceability.

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A Novel Ring Spring Vibration Isolator for Metro Superstructure

Ling

et al. 2021

Applied Sciences

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Simulation Analysis of Friction and Wear of New TiAl based Alloy Joint Bearings

Cited by 1 publication

References 3 publications

A Novel Ring Spring Vibration Isolator for Metro Superstructure

A Novel Ring Spring Vibration Isolator for Metro Superstructure

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