rail surface

Failure Analysis of Spalling Ring Rail Working Surface of Power Shovel

电铲的环轨表面剥离原因分析

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Study on lift-off effect in rail surface hardness testing by electromagnetic impedance method

电磁阻抗法检测钢轨踏面硬度中提离效应的研究

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In this paper an investigation has been made into rail surface defects by way of metallographical test and electronic probe test.

采用金相检验和电子探针的方法，对钢轨表面缺陷进行了检验分析。

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The results showed that capillary crack was formed from the surface cavity of billet in the process of high temperature heating-rolling and cavity and sliver defects were formed due to part melting of seating face of heavy rail.

分析结果表明：发纹缺陷是由方坯表面气孔经高温加热-轧制演变成的，掉肉和小裂口则是因重轨踏面局部融熔所造成的。

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According to the beneficial influence of superelevation to the flatcar bottom raised from rail surface, it is advised that the suitable superelevation ( 20-30) mm is necessary in the minimum radius curve negotiation.

根据超高对车底轨面高度抬高的有利影响，建议在最小半径曲线通过时应当有适当的超高量（20-30）mm。

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The contact element method and original stress method were used to analyze the elastic plastic contact problem of wheel/ rail with measured surface micro roughness. The distribution of surface contact pressure on the rail was obtained.

采用接触单元方法，结合初应力法，采用测量获得的表面微观粗糙度，对轮轨弹塑性接触问题进行了研究，获得了轮轨的表面接触压力分布等结果。

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Mechanism of Short Wavelength Corrugation of Rail Surface

钢轨短波波磨的产生机理

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The maximum anchorage force of the manipulator is 450 kN, and every part of the manipulator is no higher than rail surface in non-operating mode.

机械手最大锚定力为450kN，在非工作状态时设备最高点不高出轨面。

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The light-rail and surface transportation goes everywhere.

轨道和地面交通四通八达.

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