rail test

It may be fewer of test point when check CRI by common rail system test bench.

有可能是在共轨试验台做共轨油嘴测试时测试点欠缺的原因。

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Tensile, impact and fatigue test is carried out separately for rail joint welded with gas-pressure welding. tn addition to these, fracture and metallography analysis is accomplished, too. The factors affected the quality of gas-pressure welding joint for rail are approached.

对钢轨气压焊接头进行了冲击、拉伸及疲劳试验，并进行了断口及金相分析，探讨了对钢轨气压焊接头质量的影响因素。

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In wheel-rail force many detection methods, ground test track method is low cost and relatively accurate method.

在轮轨力众多的检测方法中，地面测试轮轨的方法是成本较低且较为精确的方法之一。

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From the simulation results and the field test results, it can be concluded that the developed test carriage can run safely in the speed of 80km/ h and can satisfy the technical requirements of the rail flaw detection system and the probe wheel positioning system.

通过对该探伤小车的理论计算和相关试验得出，研制的探伤小车能够以80km/h安全运行，并满足探伤检测系统和对中系统的设计要求。

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Based on the ANSYS analysis software and simulation of the strength test, it was quantitatively proved that increasing the chamfering on the slot root of the rail could obviously reduce the stress concentration and enhance the intensity of the launcher housing.

基于ANSYS分析软件平台以及模拟强度试验对导轨撕裂部位进行强度分析，定量说明了此圆角增大可以明显改善导轨槽处的应力集中，增大某发射装置壳体的强度余量。

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A System of Microcomputer and Telemeter for Wheel and Rail Test

轮轨测量中的微机遥测系统

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Put up the definition and calculate method for internals between two injections. Based on the high pressure common rail test pump bench, open ECU and high speed photography, the effect of fuel spraying and atomizing by internals between two injections had been researched. 3.

提出了两次喷射间最小时间间隔的定义和计算方法，并基于高压共轨燃油喷射实验台、开放式电控单元及高速摄影技术，研究了两次喷射间时间间隔对燃油喷射雾化状况的影响。

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A Test Study of Wheel-Rail Ring-Lump Wear

轮轨环块磨损试验研究

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According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.

依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。

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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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Among them, an outdoor test track inspection apparatus includes rail inspection instrument measured the orbital plane coordinates, track top elevation, gauge, level, track direction, height and distortions state track geometry parameters.

其中，轨检仪室外检测内容包括轨检仪实测轨道平面坐标、轨顶高程、轨距、水平、轨向、高低及扭曲等轨道几何状态参数。

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