heavy rail

Each part section size shrinkage of heavy rail is obviously non-conformance after cooling.

冷却后重轨各部位断面尺寸收缩量有较明显的不一致现象。

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It is also found that the spall and fine cleft are due to local melting of heavy rail tread.

缺损和小裂口则是因重轨踏面局部熔融所造成的。

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Technology and equipment reformation of heavy rail production and products development

武钢重轨生产工艺装备改造及产品开发

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The standard , diesel-powered city bus can save 804 pounds, while heavy rail subway users save 288.

而乘坐柴油动力的公车会减少804磅, 重型火车则要更少点:为288磅.

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Application of CCD Technology to the Measurement of Heavy Rail Stock at AISC No.1 Primary Mill Plant

CCD技术在鞍钢第一初轧厂重轨坯测量中的应用

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Study of the Key Technologies on Monitoring and Optimizing of Rolling Parameter of Heavy Rail Universal Line

重轨万能线轧制参数监视及优化关键技术研究

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A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.

大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。

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Actual technical operation on controls over final point carbon, temperature and time for smelting heavy rail steel on aspects of loading rules, slagging process, blowing smelting, post-processing, slag thickening and tapping is analyzed and concrete operating key points and their actual effects are discussed.

从转炉装入制度、造渣工艺、吹炼制度、后期处理、炉渣稠化和出钢几方面对冶炼重轨钢终点碳、温度、时间的控制进行了实际技术操作分析，论述了具体操作要点和实际效果。

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Math Model for Temperature prediction of Heavy Rail during Universal Tandem Rolling Process

重轨万能连续轧制过程温度预报的数学模型

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This paper introduces the general arrangement, main technical parameters, diesel engine, transmission system, car body, braking system and running gear of GCD-470 heavy rail motor car. The type test, trial running, etc., are discussed.

介绍了新型电传动重型轨道车的总体布置、主要技术参数、动力装置、传动系统、车体、制动系统、走行部、型式试验及考核运行等。

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The deformation process of heavy rail at 800-I pass has been simulated using nonlinear finite-element software MARC/ AutoForge by three dimensional thermo-mechanical coupled elastoplastic finite element method ( FEM), and the equivalent stress and strain field, temperature field and rolling force of rolling billet were analyzed.

采用非线性有限元软件Marc Autoforge，通过三维弹塑性热力耦合的有限元方法模拟了重轨800I孔的变形过程，分析了轧件上等效应力、应变场、温度场和轧制力。

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We must Plan traffic loading area organizations and make full use of the idea of integration assembling and evacuating and transporting, and optimize every aspect, then establishment efficient, modern, intensive Da-qin heavy rail transportation.

规划好装车区的车流组织，充分利用集疏运一体化的思想，优化每个环节，建立高效、集约的新式大秦重载铁路运输，是本文的主要研究意义。

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Technology and characteristic of continuous casting of heavy rail steel at home and abroad

国内外连铸生产重轨钢的工艺及特点

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So it is very important for heavy rail steel to adopt deoxidization methods with low aluminum addition.

因此，重轨钢的冶炼采用无铝脱氧工艺。

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The design and application of PLC-based control system for the turn-over device of the heavy rail are introduced and the critical control algorithms for such a few operations as accurate positioning of the steel fork for the turn-over device and follow-up of the transfer bogie are emphatically described.

介绍基于PLC的重轨翻钢机控制系统的设计及应用效果，重点阐述了应用PLC实现翻钢机钢叉准确定位、翻钢时小车的随动等关键控制算法。

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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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IKO Card Act created four cylindrical roller world-renowned heavy rail.

IKO卡 法创造的四列圆柱滚子重载导轨享誉世界.

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Control and effect of technological operation for smelting heavy rail steel with LD

转炉冶炼重轨钢技术操作控制及效果

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Application of CCD Length Measuring Machine in Bloom Measurement for Hot Rolling Heavy rail

CCD测长装置在热轧重轨坯测量中的应用

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A Study on Thermodynamic Model for Rare Earth Element Existence in Clean Heavy Rail Steel

稀土元素在洁净重轨钢中存在状态的热力学模型研究

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Research of Process and Equipment for Three Roller Plate Coiling of Level Adjust Below; Effect of Horizontal Roll Straightening on Cross Section Dimensions of Heavy Rail

水平下调式三辊卷板工艺及设备研究辊式水平矫直对重轨断面尺寸的影响分析

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Based on basical automation system of heavy rail universal line, the effectively communication function is developed.

在重轨万能线基础自动化系统中开发了有效的数据通讯功能。

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We establish the new communication network structure of the system based on the original automation system of the heavy rail universal line.

在重轨万能线自动控制系统基础上设计了数据采集的通讯网络结构。

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Production Process and Product Properties of Heavy Rail Steel By Continuous Casting

连铸重轨钢的生产工艺及产品性能

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Variation of hydrogen content in molten heavy rail steel before VD process

VD脱氢前重轨钢液中氢含量变化

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Math Model for Deformation Calculation of Universal Tandem Rolling of Heavy Rail and Its Application

重轨万能连轧变形计算的数学模型及其应用

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