The fracture of a steel rail was analyzed by means of metallographic microscope, SEM and EDS. 用金相显微镜、描电镜、谱仪分析了钢轨断裂原因。
Can you tell a green field from a cold steel rail? 你能分清一个圣洁之地与冰冷的铁轨吗?
This utility model has the advantages of simple structure, convenient employment, accurate location of steel rail, non-deformability when overhanging, and high assembling efficiency. 优点是结构简单、使用方便,钢轨定位准确、吊装时不变形,组装效率高。
Can you tell a green field From a cold steel rail? A smile from a veil? 那么你能分辨绿色的原野和冰冷的钢轨、微笑和掩饰吗?
Study on Explosive Hardening of Hadfield Steel Rail Frogs 高锰钢整铸辙叉爆炸硬化实践与研究
Study and Implement of Key Technology in Steel Rail Abrasion Measurement System Based on Binocular Vision 基于双目视觉的钢轨磨耗测量系统关键技术的研究与实现
The principle and structure of the self made testing instrument for measuring the effective temperature in the full cross section of steel rail are described and discussed in this paper. 论述了自行研制的钢轨全断面有效温度测试仪的原理及结构。
I will undertake to eat every pound of steel rail they succeed in making. 如果他们成功,我就吃下他们生产的所有钢轨。
Finite Element Simulation Study on Universal Rolling Process of 60 kg/ m Steel Rail 60kg/m钢轨万能轧制过程有限元模拟研究
The utility model adopts the differential wheel set, the angle of attack is avoided between a wheel flange and a steel rail; 本实用新型采用差速轮对,车轮轮缘与钢轨之间不再有冲角;
Annealing of point rail: Using box-type annealing furnace to make annealing treatment to the alloy steel rail before machining. 心轨退火:在机加工之前采用箱式退火炉对合金钢心轨进行退火处理。
Flexing and twisting of steel rail pieces: Using special flexing hydraulic press to make the flexing of the steel rail pieces and using special flexing sample plate to ensure the flexing dimension. 钢轨件弯折、扭转:钢轨件弯折通过专用弯折油压机完成,通过专用弯折样板保证弯折尺寸。
The experiment of the gas pressure welding of carbon steel rail was carried out. 对碳钢钢轨气压焊进行了试验研究。
Development of Straightening Steel Rail Technique and Its Application in Angang Heavy Rail Production 钢轨矫直技术的发展及其在鞍钢重轨生产中的应用
Study on the Gas Pressure Welding Process of Steel Rail 钢轨气压焊试验研究
Issues about the steel rail for high speed railway 高速铁路用钢轨的若干问题
This paper analyzes the surface and internal defects occurred in the production of steel rail with cast bloom. 连铸大方坯生产钢轨钢时遇到的表面缺陷和内部缺陷。
Based on the research and summary of great amount of literature, the status and development of on-line measurement technique for steel rail production at home and abroad are comprehensively introduced. 通过对大量文献的研究和总结,综合地介绍了国内外钢轨生产中在线测量技术的现状和发展。
Steel rail has 3 rail base defects: bottom defect, scab and bottom crack. 钢轨轨底缺陷有三种:底伤、结疤和底裂缺陷。
Study on Influence of Chemical Composition of Steel Rail on Its Mechanical Property 钢轨化学成分对力学性能影响的研究
The structure of slide rail over and under type skid bed drawing steel rail has been introduced, and the strength and rigidity of main load-bearing slide rail have been calculated. 介绍了攀钢轨梁厂钢轨收集装置&滑轨升降式拉钢台架的结构,并计算了主要受力构件滑轨的强度和刚度。
The failure mode and the design reference period of the steel rail are discussed, and the steel rail's performance function at limit state is established too. 讨论了钢轨的失效模式和设计基准期,建立了钢轨极限状态方程的功能函数。
Research on Bainite Steel Rail With High Strength and High Toughness 高强度高韧性贝氏体钢轨研究
RCF ( Rolling Contact Fatigue) behaviour of C-Mn steel rail with various heat treatment techniques has been studied. 研究了经不同热处理得到的C-Mn钢轨的滚动接触疲劳行为。
High efficiency flash welding technology of steel rail 钢轨高效化闪光焊技术
Analysis was made of causes for steel rail breaking, and preventative measures and emergency treatment measures were given. 通过对钢轨断裂原因及其规律进行分析,提出针对性的预防措施,并对发生钢轨断裂后的紧急处理措施进行探讨。
With the development of the high-speed railway, the super demand on the technical quality of the steel rail has been proposed, and the straightness and the residual stress are two most important indexes. 随着高速铁路的发展,对钢轨的技术质量提出了更高的要求,其中钢轨的平直度和残余应力是两个最重要的指标。
In this paper, the results of research proposed a workable solution for steel rail abrasion measurement of high-speed railway in China. 本论文的研究成果为我国高速铁路钢轨的磨耗测量提出了一种可行的解决方案。
Now there are some researches on steel rail abrasion measurement based on monocular vision in domestic. 目前国内已有基于单目视觉的非接触式钢轨磨耗测量系统的研究。