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Mengyao Zhang, Deming Yu, Tianyu Wang and Can Xu
Tunnel construction is characterized by its large scale, long periods and vulnerability to environmental impact, which pose great challenges to tunnel construction safety. In order to analyze the coupling mechanism of tunnel construction safety risks and...
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Yiyao Jiang, Guang Feng, Panglun Liu, Li Yuan, Jianbin Ding and Bingyan Jiang
Through the establishment of a three-dimensional joint clearance model, the effects of joint clearances at different positions on shimmy stability are evaluated. In this paper, considering the radial, axial and coupling characteristics of joint clearance...
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Guang Feng, Bingyan Jiang and Yiyao Jiang
The existence of joint clearances in the nose landing gear (NLG) is inevitable and significantly affects shimmy. It was found that the interaction of each joint clearance is closely related to the analysis of shimmy stability. In this study, the shimmy m...
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Guangteng Bai, Juyang Fu, Qian Zhou and Xiangliang Pan
Tire wear particles (TWPs), as a type of thermosetting microplastic (MP), accumulate in aquatic environments due to their wide application in road traffic globally. The increase in temperature because of friction heat may cause aging of tire materials, i...
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Maorui Hou, Bingzhi Chen and Di Cheng
Wheel wear is one of the most critical factors affecting the vehicle performances and maintenance costs of railway vehicles. However, previous research has to ignore the initial wheel-rail profiles for the evolution of wheel wear. Therefore, this work in...
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Zhexiang Zou, Chun Li, Baoshan Huang, Guoji Shen, Fengshou Gu and Andrew D. Ball
Belt transmission is one of the most common forms of transmission on CNC lathes. To assess the impact of belt performance on monitoring machining conditions using motor current signal analysis, we developed a dynamic model for belt-driven electromechanic...
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Eunyoung Heo and Namhyun Yoo
In numerical control (NC)-based machining, NC data-based tool paths affect both quality and productivity. NC data are generated according to cutting conditions. However, NC data causing excessive cutting load can accelerate tool wear and even result in t...
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Jialiang Wang, Dilei Qian, Yang Sun and Fenfei Peng
The performance of the diamond bit directly affects the drilling efficiency of the seafloor drill. The drill bits used in land drilling are prone to abnormal wear, low coring efficiency, and large sample disturbance in marine exploration. At first, in th...
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Anatolii Dudnikov,Oleksandr Gorbenko,Anton Kelemesh,Olga Drozhchana
Pág. 72 - 77
An analysis of the wear of machine parts has made it possible to establish characteristic requirements for the technological process of restoring worn surfaces. Experimental studies on hardening the working surfaces of plowshares have made it possible to...
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Tanita Fossli Brustad and Rune Dalmo
Transition curves are a useful tool for lateral alignment of railway segments. Their design is important to ensure safe and comfortable travel for passengers and cargo. Well designed transition curves can lead to reduced wear of tracks and vehicles, whic...
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