Optimizing the tyre tread profile is very significant because the tread profile has a big effect on wear resistance performance of vehicle wheel tyre.
胎面轮廓形状对轮胎的耐磨耗性能影响很大，因此对其进行优化很有意义。针对胎面轮廓形状比较复杂的特点，文中采用多个变量来定义胎面轮廓。
On the basis of Chebyshev curve fitting method, a new method to design worn profile tread is proposed by this paper.
本文在切比雪夫曲线拟合方法的基础上，提出了一种高次曲线磨耗形踏面的设计方法。
A virtual file for smoothing digital profile of wheel tread of railway vehicles is created based on MATLAB and specific roughness calculation method.
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。
Wheel tread wear leads to change of the wheel profile and rolling diameter, which influences the dynamic behaviors of railway vehicles seriously.
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。
The measuring of geometrical profile and tread defects of wheel set is an important step for the safety of vehicle running.
车辆轮对尺寸参数和踏面缺陷的检测是保障车辆运行安全的重要措施。
The macro profile and physicochemical examination of the tread oblique crack shows that the crack falls into the category of rolling contact fatigue type.
踏面斜裂纹及断口的宏观形貌和理化检验与分析表明，踏面斜裂纹伤损属于滚动接触疲劳裂纹伤损类型。
In this paper, the contact profile for wheel and rail tread was researched fro the relationship for the curvature of profile and the slope.
本文从车轮与钢轨头顶面曲率和斜度的关系对轮轨接触形状进行了研究。
This paper presents a high efficient process method of a steep lead tread of coupling screw and studies the profile accuracy by using electronic computer and arrives at the profile error curve.
介绍了一种大导程波形联结螺纹的高效加工方法，借助计算机进行了螺纹牙形的精度分析，得出了齿形误差曲线。
This paper presents a high efficient process method of a steep lead tread of coupling screw and studies the profile accuracy by using electronic computer and arrives at the profile error curve.
介绍了一种大导程波形联结螺纹的高效加工方法，借助计算机进行了螺纹牙形的精度分析，得出了齿形误差曲线。
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