In the early 1980s, the Beijing urban construction design completed liquefied petroleum gas (LPG) mobile pneumatic rail welding technology research and application.
年代初，北京城建设计院等完成液化石油气移动式气压焊轨技术的研究和应用。
The rail welding plays a significant role in the construction of continuous railways, for it directly determines the quality of rail welding joints and the security of railways transportation.
钢轨焊接是无缝线路建设的重要环节，它直接决定了钢轨接头的质量并影响到铁路运输的安全性。
The rail welding plays an important role in the engineering of laying continuous welded railway (c WR), and decides the quality of rail tie-in directly, which has great influence on railway security.
钢轨焊接是无缝线路建设工程中的关键环节，它直接决定了钢轨接头的质量，从而对铁路安全有重要影响。
The local branch of Ivy tech, a community college, agreed to create a three-week welding course to teach the specialised techniques Progress Rail USES.
一所社区大学，也是当地的常青藤科技分院同意针对ProgressRail所需的专业技术，开设为期三周的焊工课程。
Resistance to weld splatter has made it suitable for car manufacturers who specify Speedy Rail for lift-and-carry transfer lines for car body panel welding.
电阻焊接飞溅了适合汽车制造商谁指定快速轨道升降机和进行传输线的车身面板的焊接。
Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
吊车轨道的材料由于其含碳量较高，强度大，可焊性较差，焊接时容易产生裂纹， 因此要严格按照工艺执行。
At the same time, analyze the welding deformation of straight-line segment model of side rail, and compare the results with test data, verify this method is efficient.
同时，针对汽车纵梁部分直线段模型进行焊接变形分析，并与试验数据进行了对比，验证了该方法的有效性。
To ensure the normal running of the screen cleaner, more reasonable technology on installing and welding the lead rail were adopted, and anticorrosion treatment of the lead rail was carried out.
对导轨的安装和焊接采用了合理的工艺，还对导轨进行了防腐处理，从而保证了清污机的正常运行。
High speed rail material: low carbon steel wire high speed rail production process: weaving and welding.
高速护栏材质：低碳钢丝高速护栏制作工艺：编织焊接而成。
Flash can be continual and steady, and then, the good welding joints could be obtained by properly controlling feeding speed of shifting unit of rail continuous flash welding.
有效地控制钢轨连续闪光焊的动力柱送进速度，可以使整个焊接过程保持连续和稳定的闪光，从而获得优良的焊接接头。
In this paper, on the base of the study of flash butt welding theory, a new intelligent control system of rail flash butt welding is developed.
本文基于闪光焊接理论研究及钢轨闪光焊接的工艺要求，设计了一种智能控制的钢轨闪光焊焊接系统。
The feeding speed of shifting unit of welding machine is one of the most important factors of rail continuous flash welding quality.
影响钢轨闪光焊接头焊接质量的因素很多，其中焊机动力柱的送进速度就是重要因素之一。
By simulating welding and simulating heat treatment after welding, CCT Curves of UIC900A and U75V rail steels are determined by the expansion method.
模拟钢轨焊接及焊后热处理工况，采用热膨胀方法分别测定uic 900a及u75 V钢轨钢的连续冷转变曲线(CCT曲线)。
The paper analyzes the reason for the rail connection squished and recommends the process of restoring the track applying the built-up welding technology.
分析铝电解多功能天车轨道接头局部压溃的原因，介绍采用手工堆焊工艺修复方案之全过程。
The existence of grey spot may cause brittle crack of the joint, therefore, controlling grey spot occupy a decisive position to ensure the quality of rail resistance welding.
灰斑的存在易导致接头的脆性断裂。因此，控制灰斑对保证钢轨接触焊质量举足轻重。
It is very difficult to welding a high carbon steel rail and a high manganese steel frog, which is still a worldwide puzzle.
碳钢钢轨与高锰钢辙叉的焊接难度很大，仍属国际性难题。
Grey spot has become the most conspicuous defect in resistance welding joint of the structure of continuous welded rail track.
灰斑已成为无缝线路钢轨结构接触焊接头最突出的缺陷。
High speed rail engineering developments need high efficiency welding.
高速轨道工程建设急需钢轨高效化焊接技术。
The flame normalizing treatments were put forward on steel rail with flash welding, gas pressure welding and aluminium heat welding.
对钢轨闪光焊、气压焊和铝热焊进行火焰正火处理，并进行正火、未正火接头和钢轨母材的金相组织以及力学性能的对比。
By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.
采用两种过渡层方法，使用研制的过渡层焊接材料，结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。
To effectively control the voltage of rail flash welding, a kind of adjustable power supply system is developed.
针对钢轨焊接的电压控制要求，研制了钢轨闪光焊稳压调压电源系统。
The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。
It makes the robot directly attracted to the surface of the spherical tank so as to realize the all-position walking and welding without rail.
此机构使机器人直接吸附在球罐表面，从而实现无导轨全位置行走与焊接。
This article introduce the application of mobile rail gas pressure welding technology in the track maintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.
本文介绍了移动式钢轨气压焊接技术在上海地铁轨道维修中的应用，表明移动式钢轨气压焊接技术适合地铁维修施工，值得推广运用。
Connection between post, upper rail shall be mounted by taper pin or welding, the specified method refer to the details followed.
立柱与扶手管、杆间采用销钉固定或焊接固定的方式，具体的连接方式见后面的的详细要求。
This article introduces the design principle, design planning, welding effect and technology characteristic of cold welding technology under explosive pressure for rail.
介绍了利用爆压冷焊技术研制开发的一种新型的“爆压冷焊式钢轨接续线技术”的设计原则、计方案、接效果及技术性能。
Cross sector seamless line, namely rail bar, rail bar and rail switch direct welding; the vertical force and displacement are direct transmitted between rail bars.
跨区间无缝线路，即轨条与轨条、轨条与道岔直接焊接，轨条之间直接传递纵向力和位移。
A new fashioned special seam welder for welding the stainless steel band on the rail surface was developed successfully.
研制了一种新型的钢轨表面不锈钢带专用缝焊机。
Because of that both the grey spots and the performances of the rail resistance welding joints are under the synthetical influence of many parameters, the orthogonal design was used to settle tests.
由于钢轨接触焊接头灰斑与性能受众多参数综合影响，故采用正交设计安排试验。
Because of that both the grey spots and the performances of the rail resistance welding joints are under the synthetical influence of many parameters, the orthogonal design was used to settle tests.
由于钢轨接触焊接头灰斑与性能受众多参数综合影响，故采用正交设计安排试验。
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