剥离是车轮踏面失效的主要类型。
剥离是车轮踏面失效的主要类型。
阐述了车轮踏面剥离对轴承剥离的影响。
And the effect of wheel tread peeling on peeling of bearings is expounded.
介绍日本最新开发的车轮踏面擦伤检测装置。
The latest developed inspection device for wheel tread flat in Japan is described.
结合我国钢轨情况，提出了比较合理的车轮踏面外形。
In the light of rail in our country a more appropriate wheel tread has been provided.
车轮踏面擦伤的预示诊断对列车安全运行具有重要意义。
The prognostics of surface scrape on wheels is important for train safety.
文中对弹性车轮踏面、轮缘激励下的速度频响函数进行了理论分析。
The paper makes a theoretical analysis of the speed frequency response function excited by the tread and flange of the resilient wheel.
轨道车辆车轮中的缺陷，特别是车轮踏面裂纹是引发事故的巨大隐患。
Flaw of the railway vehicle wheels, especially the crack of the wheel tread, is the most potential trouble for the accident.
介绍车轮踏面形状非接触式自动检测装置的原理、结构组成及使用效果。
The principles, structure and application effect of the non contact type automatic inspection equipment for wheel tread shape are described.
得出合理的车轮踏面与钢轨外形配合可以提高机车车辆的曲线通过性能的结论。
It is put forward that the reasonable match of wheel and rail shapes may improve the locomotive and vehicle curve passing performances.
在现场调研的基础上，提出车轮踏面跳动过大是影响车辆运行平稳性的主要原因。
On the basis of the investigation and research in field, too much bouncing of wheel treads is the main reason to affect the operation stability of vehicles.
轮轨之间的剧烈作用导致车轮踏面严重损伤的现象是至今没有得到根本解决的难题。
The interaction between wheel and rail results in the severe damage of the wheel tread, which is a problem that has not been resolved yet.
因滑行使车轮踏面损伤，引起振动和噪声，为此要经常旋削车轮，从而缩短了使用寿命。
Sliding will result in the damage on the wheel tread, and cause vibration and noise as well. Therefore, the wheels should be often turned, and the service life is shortened.
叙述了对车轮踏面缺陷的超声检测，其目的是为了实现对轨道上运行车轮的自动化检测。
This report relates to ultrasonic testing of metallic railroad wheels in defects and excessive wear. The testing is accomplished in-track on moving wheels automatically.
不同的车轮踏面形状与同一钢轨匹配时具有不同的轮轨接触几何关系，影响车辆的动力学性能。
The wheel-rail contact geometry relationship is different when different wheel tread shape matches the same rail, which will influence the dynamic performance of the vehicle.
车轮踏面磨耗导致车轮外形改变，使其滚动圆直径产生偏差，对车辆系统的动力学特性影响较大。
Wheel tread wear leads to change of the wheel profile and rolling diameter, which influences the dynamic behaviors of railway vehicles seriously.
讨论了一种应用线阵CCD图像传感器测量火车车轮踏面磨损量的检测系统； 分析了系统的测量原理；
The principle of a measurement system used to inspect the wheel tread contour of locomotives and cars with linear CCD image sensor is introduced.
与新用车轮踏面相比，测试得到的磨耗后车轮踏面在其名义直径位置凹陷区域附近容易形成踏面两点接触。
Compared to the new wheel tread, the worn tread is easy to form two-point contact nearby the depression area of the nominal diameter position of wheel tread.
它是通过测量列车在运行过程中车轮踏面与钢轨接触时产生的冲击载荷引起的钢轨形变来检测车轮踏面擦伤。
The principle of the project is that the wheel tread will generate the impact load that induce deformation of rail when the train running.
采用数值仿真方法研究了不同车轮踏面外形、轮对内侧距、轨底坡和车速对踏面磨耗深度和磨耗分布的影响。
Numerical simulation was used to study the influence of profile shape, vehicle speed, wheel back distance and rail cant on the wear depth and wear distribution of wheel profile.
应用Matlab平台开发了粗糙度算法和数字化锉刀软件，实现了对轨道车辆车轮踏面外形的数字化虚拟打磨。
A virtual file for smoothing digital profile of wheel tread of railway vehicles is created based on MATLAB and specific roughness calculation method.
本文通过调研大量国内外已有的擦伤检测方法，并分析其优劣性，最后采用了一种新型的车轮踏面擦伤检测方法。
Through studying a large number of existing domestic and abrasion test methods, and analyzes their advantages and disadvantages, this paper advanced a new method of detecting the wheel tread.
论文重点分析了车辆运行速度、轮轨摩擦系数、车辆载重、轨道几何不平顺、偏载、轨距大小、车轮踏面形状等因素对脱轨的影响。
The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.
尽管激光扫描测量法具有测量精度高和不易于磨损的优点，但目前国内外采用该方法测量车轮踏面时，实际测量精度和效果均不理想。
Even with the advantages of high measurement precision and not easy to wear for the method, the practical measurement result of the linear structured light is not satisfying.
在货车轮对踏面擦伤故障调查的基础上，找出其故障原因，提出相应的改进措施和建议。
Under the investigation to the fault of wheel tread flat sliding of freight car, in this paper, the fault reason was found and corresponding improving measures and proposes were put forward.
机车轮对的检修是十分重要的，轮缘磨耗、踏面磨耗等是重要的测量参数。
To examine locomotive wheels is very important, brim abrasion and fade abrasion of the wheels are the important parameters.
一个主要原因是车轮在钢轨上由于制动滑动产生的脆性马氏体所导致的踏面热损伤和蠕变。
One of important reasons is that the generation of brittle martensite due to brake sliding of wheels on rails leads to tread damage and its creep.
采用机器视觉测量技术实现对车轮轮缘踏面磨损的在线自动检测，对提高我国铁路车轮轮对的检测水平，具有重要的现实意义。
It is significant to improve the inspection level by using machine vision measurement technology in on-line automatic inspection for train wheel flange and tread wear rates.
实验表明：运用便携式火车轮磨损检测仪可以很方便、快捷的检测出踏面和轮缘的磨损量，实验表明精度能够满足铁道部相关规定的标准。
The experiment show: use this machine can measure the abrasion of the trade profile and flange conveniently, besides the precision can satisfy the standard of Ministry of Railways.
实验表明：运用便携式火车轮磨损检测仪可以很方便、快捷的检测出踏面和轮缘的磨损量，实验表明精度能够满足铁道部相关规定的标准。
The experiment show: use this machine can measure the abrasion of the trade profile and flange conveniently, besides the precision can satisfy the standard of Ministry of Railways.
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