Results 1 to 10 of about 437,125 (244)
Materials Research Express, 2021 In present paper, the relationship between fatigue and wear of three kinds of pearlite wheel steel samples is investigated by using rolling wear tester under 0.2% slip ratio condition.
Hai Zhao +5 more
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Workpiece-Contour-Image Based Wheel Wear Online Detection Methodology
Shanghai Jiaotong Daxue xuebao, 2021 A method for online detection and compensation of grinding wheel wear based on machine vision is proposed in this paper. The principle of workpiece-contour-image (WCI) based online wheel wear detection is presented, and the online compensation of wheel ...
NIU Mu, XU Liming, ZHAO Da, FAN Fan
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Metals, 2023 With the rapid development of railways towards high speed and larger carrying capacity, the problem of wear and fatigue damage between wheel/rail is gradually becoming serious.
Tingwei Zhou +5 more
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Wear Characteristics of Vitrified cBN Grinding Wheels
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2008 To clarify the wheel wear characteristics in grinding process using vitrified cBN wheels, we have investigated the change in wheel wear behavior when the load on the grain cutting edge is increased by increasing work speed.
Masakazu FUJIMOTO +2 more
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Experimental research on wear mechanism of diamond wheels for grinding Cf/SiC composites grooves
Journal of Materials Research and Technology, 2023 Aiming at the problems of low processing efficiency, low groove shape accuracy and poor surface quality caused by grinding wheel wear in the grinding process of Cf/SiC composite grooves. In this paper, based on the motion mode of grinding wheel grinding,
Bing Chen +4 more
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Effect of Welding Polarity on Mechanical Properties of Submerged Arc Welded Railway Vehicle Wheels
Metals, 2022 When a railway vehicle moves on a curved rail, sliding contact between the rail head side and wheel flange causes wear on the wheel flange. Traditionally, a wheel with thinned flange is machined to get a minimum flange thickness specified for structural ...
Byeong-Choon Goo +2 more
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Polygonal Wear Mechanism of High-Speed Train Wheels Based on Lateral Friction Self-Excited Vibration
Machines, 2022 This work details research on the formation mechanism of wheel polygonalization in high-speed trains and its effect factors by numerical modeling in order to prevent the increasingly prevalent problem of wheel polygonal wear.
Yahong Dong, Shuqian Cao
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Study on Influence of Diversified Parameters of Vehicle and Track on Wheel Hollow Wear
Shock and Vibration, 2018 Wheel hollow wear of high-speed train is one of the main damage types for the wheel. By optimizing the vehicle and track parameters and matching the wheel-rail profile, the hollow wear of wheel can be reduced. In order to study the sensitivity of vehicle
Yongjie Lu, Zongyu Gao, Jianxi Wang
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An Investigation on Wear Behavior of ER8 and SSW-Q3R Wheel Steel under Pure Rolling Condition
Metals, 2020 In this paper, the wear property of ER8 and SSW-Q3R wheel steel under pure rolling condition was studied by GMP-30 wear tester. The results showed that the wear loss of the ER8 wheel steel was higher than that of the SSW-Q3R wheel steel at the same ...
Hai Zhao +6 more
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Typical wheel–rail profile change rules and matching characteristics of high speed railway in China [PDF]
Railway Sciences, 2022 Purpose – In order to systematically grasp the changes and matching characteristics of wheel and rail profiles of high speed railway (HSR) in China, 172 rail profile measurement points and 384 wheels of 6 high-speed electric motive unites (EMUs) were ...
Maorui Hou, Fengshou Liu, Xiaoyi Hu
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