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special welding
相关语句
  特种焊接
     Development and Application of Special Welding Technique of Ceramic and Metal
     陶瓷与金属特种焊接技术的开发与应用
短句来源
     As a special welding technology, explosive welding with unique advantage is applied widely to national defense and civil industry, and has great developing potency.
     爆炸焊接作为一种特种焊接技术,以其独特的优点在国防和民用工业中得到了广泛的应用,并有着很大的发展潜力。
短句来源
     A nickel-base cast alloy with very high contents of Mo and W has low expansion coefficient, high elastic modulus and excellent strength at high temperature, which is a promising new material for special welding clamp or corrosion resistant machine parts.
     一种高Mo,高W铸造镍基合金具有低膨胀系数、高弹性模量、高温高强度,可作为特种焊接夹具材料及耐蚀材料应用。
短句来源
     In this article, the concept and analytical methods of numerical simulation and primary coverage and meaning of numerical simulation in welding are introduced; the present state and perspectives of welding numerical simulation at home and abroad in the analysis of thermal process, metallurgical ,stress and strain, service performance of component, hydrogen diffusion, special welding process are reviewed. Suggestions for the development of the numerical simulation in welding in china are put forward.
     概括介绍了数值模拟技术的概念及分析方法和焊接数值模拟的主要内容及意义 ,综述了国内外焊接数值模拟在热过程分析、冶金分析、应力应变分析、构件使用性能分析、氢扩散分析、特种焊接过程分析方面的研究现状及发展趋势 ,对我国焊接数值模拟技术的发展提出了建议
短句来源
     This paper reviews the development and status of modeling and simulation on the fundamental welding phenomenon, and introduces numerical simulations on fluid flow fields of welding pool, temperature and stress fields, welding distortion and welding residual stresses, hydrogen diffusion analysis, carbon migration of dissimilar welded joints,and special welding process. Besides, it discusses the numerical simulation of weld joint microstructure and grain growth in heat-affected zone (HAZ) of weldment. Recommendations on common software on welding simulation are briefed.
     综述了近年来国内外在焊接基本现象模拟与仿真方面的研究现状及发展趋势,对焊接过程中的熔池流场、焊接温度场与力学场、焊接变形和残余应力、氢扩散分析、异种钢焊接接头碳迁移、特种焊接过程、焊接接头微观组织、焊接热影响区晶粒长大过程等的仿真模拟,以及焊接模拟计算机软件等进行了较全面的介绍和分析。
短句来源
  特种焊
     Variations of Special Welding Processes in American Welding Handbook
     从美国焊接手册看特种焊工艺的变迁
短句来源
     The variations of special welding processes are described based on the welding handbook (4th~ 8th Ed.) published in 1960~1991 by American welding society (AWS).
     总结对比了美国焊接手册第4版(1960年出版) ̄第8版(1991年出版)中特种焊工艺的动态变迁历史。
短句来源
     Besides, the typical special welding processes in the present stage and some significant special welding processes created in 1970s~1990s of 20th century are summarized.
     此外,概括了现阶段的典型特种焊工艺及20世纪70 ̄90年代有重大影响的特种焊工艺。
短句来源
  “special welding”译为未确定词的双语例句
     This special welding machine makes the welding process of front beam stable and continuous and improves the welding quality greatly.
     保证了前机梁焊接过程持续、稳定,提高了前机梁的焊接质量。
短句来源
     Welding process emprovement and special welding machine development for front beam of motor grader
     平地机前机梁焊接工艺改进与专机的研制
短句来源
     HIGH ANTI-ABRASION ALLOY STUD AND SPECIAL WELDING EQUIPMENT
     高耐磨合金柱及专用焊接设备
短句来源
     The article describes the production process producing the material QMn10-7 - 2 - 2 of the special welding rod for ship by the method of swage, and analyzes the effect of stress condition on alloy for mability during swaging and drawing. from the external cause which effects on alloy formabili-ty.
     本文介绍了用旋锻方法生产舰船用特种焊条材料QMn10—7—2—2的生产工艺,并从影响合金材料塑性的外因出发,分析了旋锻与拉伸过程中所受应力状态对合金塑性的影响。
短句来源
     Based on analysis of the ability of both steels, this paper presents the opnion that selecting of electrode should be mainly based on 12 AlMoV steel, that is, Jie (chinese character) 507 Mo electrod should be used and no special welding process is required.
     本文在分析12AlMoV和15CrMo钢焊接性的基础上,提出焊条选择应以12AlMoV钢为主,选用结507Mo; 焊接工艺无特殊要求。
短句来源
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  special welding
Special welding head for automatic welding of longitudinal seams in shells
      
This may be accomplished using the manufacturer's special welding jigs, fixtures, and/or C-clamps.
      
Special welding procedures are developed for welding of CrMo piping components.
      
Different material properties are assigned to the HSS member and the special welding area according to different welding processes.
      


A nickel-base cast alloy with very high contents of Mo and W has low expansion coefficient, high elastic modulus and excellent strength at high temperature, which is a promising new material for special welding clamp or corrosion resistant machine parts.

一种高Mo,高W铸造镍基合金具有低膨胀系数、高弹性模量、高温高强度,可作为特种焊接夹具材料及耐蚀材料应用。

In this paper,a special welding power source with the characteristic of constantvoltage controlled by microcomputer has been set up and used as an experimentalapparatus.A new method of on—line detection of welding penetration through arcvoltage has been approached by adding an instantaneous pulse at regular intervals tothe normal welding current to excite the oscillation of welding pool in stationary TIGarc welding.On the basis of signal analysis,the relationship between the frequencyof...

In this paper,a special welding power source with the characteristic of constantvoltage controlled by microcomputer has been set up and used as an experimentalapparatus.A new method of on—line detection of welding penetration through arcvoltage has been approached by adding an instantaneous pulse at regular intervals tothe normal welding current to excite the oscillation of welding pool in stationary TIGarc welding.On the basis of signal analysis,the relationship between the frequencyof welding pool oscillation and welding penetration is studied and a mathematical model,the welding pool vibration equation,is correspondingly established.Using the finitedifference equation to solve the eigenvalue problem of welding pool vibration system,one can get the numerical solution of the said relationship.Experimental results of1Cr18Ni9Ti,20#,and 16Mn steel welding coincide well with those by theoreticalcalculation.

本文采用特殊的恒压焊接电源,建立了一套微计算机控制的实验装置。在TIG 固定点弧焊情况下,通过在正常焊接电流的基础上,每隔一定时间施加一瞬闻激振脉冲电流来激励焊接熔池产生振荡,然后检测电弧电压,以获得激振脉冲过后的焊接熔池振荡信号的方法,对实时测定焊接熔深作了初步探索。在对信号分析的基础上,研究了焊接熔池振荡频率与焊接熔深之间的关系,并建立了相应的数学模型——焊接熔池波动方程。利用有限差分法求解了焊接熔池波动系统的特征值问题,得到了焊接熔池振荡频率与焊接熔深之间关系的数值解.1Cr18Ni9Ti、20~3、16Mn 三种不同材料的实验结果与理论计算结果的吻合程度良好。

The development of MZY-630 special automatic Submerged arc welding machine for liquid gas cylinder is introduced in this paper.It features of reliable performance, high efficiency and energy-saving.It is an ideal special welding machine.

本文介绍MZY—630液化气钢瓶专用埋弧自动焊机的研制,焊机经两年来的实际使用,性能稳定,焊接质量高,效率高,能耗低。是一种较理想的专用焊接设备。

 
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