heavy rail
n. [铁路] 重轨;重钢轨
2026-03-21 11:11 浏览次数 26
n. [铁路] 重轨;重钢轨
heavy rail steel production生产重轨钢
heavy guide-rail高负载导轨
heavy-rail steel重轨钢
heavy-rail carbon steel碳素重轨钢
heavy-rail production重轨生产
heavy-rail market重轨市场
heavy duty rail重型钢轨
heavy steel rail重型钢轨
normal service life of u74 heavy rail and service life of the damaged rail are estimated by fracture dynamical analysis and possible mechanism on the longitudinal crack on the rail discussed.
通过断裂力学分析,估算出u74重轨的正常使用寿命及伤轨残余使用寿命;探讨了钢轨纵裂的可能机制。
via vacuum induction furnace and metallographical analysis, the effects of re on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验,结合金相分析,研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
the team compared the lifecycle emissions of high-speed electric rail with transport by car, by heavy rail (the amtrak diesel system) and by air.
研究小组将高速列车同汽车,火车(美国的全国铁路乘客公司的柴油机车)以及飞机的排放周期进行了比较。
the finite element method (fem) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法,对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
automatic detection of heavy rail surface defects, has long been expected to solve the problem.
重轨表面缺陷的自动检测,长期以来一直是期待解决的问题。
the hydrogen content in the molten heavy rail steel was measured in every stages from ld tapping to mould(without the vd refining process).
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程(未经vd真空处理)钢液中氢含量变化。
the press straightening process of heavy rail was simulated and researched by finite element software of ansys.
利用有限元软件ansys对重轨的压力矫直过程进行了三堆有限元模拟,对重轨矫直过程中的弹塑性变形过程进行了分析。
the development process, general layout and performance of the gcd-1000 heavy rail car were described, and the design method, performance test and technic evaluation were discussed.
介绍了gcd-1000型重型轨道车的研制过程、总体布置、技术性能、设计方法、综合性能试验、运行考核及技术评审等。
to meet the new requirements in market economy, the network system on heavy rail quality dynamic tracing is established at baotou steel.
为了适应市场经济新的要求,包钢建立了铁路钢轨(重轨)质量动态跟蹤网络系统。
the high quality heavy rail must be produced by high precision rolling technology. the conventional technology of 2-h mill adopted in our country is difficult to produced it.
阐述了目前市场急需的高质量重轨必须实现高精度轧制,我国现有重轨厂采用二辊孔型轧制难以满足要求。
during the high rate heavy rail steel smelting, the upper basicity slag can be used during the lf refining, but it reduces suitable basicity of slag and refining time during the rh refining.
高速重轨钢的冶炼可以在lf精炼过程中采用较高的炉渣堿度,而在rh精炼过程中,应适当降低炉渣堿度和减少精炼时间。
this paper examined commuter rail including heavy rail electric metro, heavy rail diesel commuter transit, and light rail transit (lrt) but not high-speed electric rail for long distances.
他们的报告中涵盖了除长距离高速列车以外的重型电动列车,柴油通勤机车以及轻型轨道交通。
the key technologies, such as m-ems, secondary cooling scheme, dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
the key technologies, such as m-ems, secondary cooling scheme, and dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
the technology and equipment of rolling heavy rail by using continuous casting billet were introduced. the quality and mechanical performance of heavy rail were introduced too.
简要介绍了包钢钢联轨梁轧钢厂连铸坯轧制重轨的工艺、设备,以及重轨产品的质量和力学性能。
the principle of world-wide universal rolling technology, plant layout, pass design and their effects on the dimensional accuracy of heavy rail section are reviewed.
介绍了国外万能轧制技术的原理、设备配量、孔型设计及对重轨断面尺寸精度的影响;
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。
wherein, the horizontal rods roll the waist of heavy rail; and the upright rods roll the bottom and rail head tread of heavy rail synchronously.
水平辊轧制重轨腰部方向,立辊对重轨的轨底和轨头踏面同时进行轧制成 形。
combined heavy rail trains have been widely opened in china datong-qinhuangdao line, which has made significant economic efficiency and social benefits.
组合式重载列车已在我国大秦铁路广泛开行,取得了显着的经济效率和社会效益。
according to smelting condition of baotou iron and steel group, vd refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
根据包钢重轨钢的冶炼条件,采用vd真空处理降低钢液中氢含量是完全必要的。
especially the online detection of the thermal heavy rail is the focus of attention.
尤其是热态重轨的在线检测更是关注的焦点。
it is on this basis, the paper proposes a surface defects detection system of thermal heavy rail based on machine vision.
正是在此基础上,本文提出了基于机器视觉的热态重轨表面缺陷检测系统。
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。
when the content of re addition is 0.01%, the grain size of austenite can be obviously fined, and the impacting toughness of heavy rail steel can be obviously improved.
当稀土加入量为0.01%时,重轨钢的奥氏体晶粒尺寸明显细化,沖击韧度显着改善。
this paper mainly analyzes the process of bloom casting for heavy rail and internal cracks like central crack and so on in order to solve the internal quality problems.
对方坯重轨钢系列铸坯内部产生的中间裂、中心裂等缺陷进行工艺探索研究,以解决生产过程中出现的内部质量问题。