Stress corrosion in flash welding butt joint of steel bar HRB400 is studied.
针对HRB400钢筋闪光对焊接头的应力腐蚀过程进行研究。
Research status and developing prospect of spot welding butt strip is systematically introduced in this paper.
系统地介绍了点焊拼接板的研究现状和发展前景。
Welding butt joint and angular deformation are easy to take shape during the assembly welding of pressure vessels, especially giant spherical tanks.
压力容器特别是大型球罐，在组装焊接过程中极易产生错边及角变形缺陷，该缺陷的存在将在容器中产生严重的应力集中。
Provide welding neck flange butt welding required for the purpose of the right pad with neighboring component.
提供焊接法兰的脖子上对接焊目的所需要的正确垫与邻近组成部分。
Electric welding machine, butt-type hot-melt machine, angle grinder, welding machine, cutting machine, horizontal ruler.
电熔焊机、对接型热熔机、角磨机、电焊机、切割机、水平尺。
In the process of DC upset butt welding, the joint quality was strongly effected by the temperature distribution in the direction of the plate width.
板材直流电阻对焊过程中，对接端面沿板宽方向的温度分布对焊接接头的质量有很大的影响。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
本文针对高质量板材对接填丝激光焊的需要，设计了对缝间隙宽度检测的传感器与送丝控制系统。
Autogeneous CO2 laser welding were run along the butt between two materials using sets of parameters power and travel speed.
采用不同功率和运转速度参数对两种材料进行了CO2激光对接焊。
It shows by the process that the equipment can meet the requirements of flashing butt welding.
工艺试验表明，该设备能实现脉冲闪光对焊的要求，焊接接头能够满足使用要求。
According to the plate butt welding of A105 steel, the transverse deformation was real-time measured during welding.
通过A105钢的平板对接试验，对焊接过程中焊接横向变形进行实时测量。
The joint deformation of DC upset butt welding was studied by using theory of plastic deformation and rigid-viscosity plastic material model.
采用塑性变形理论和刚粘塑性材料模型研究了直流电阻对焊接头的塑性变形。
A displacement threshold was used to control DC upset butt welding process, and constant pressure and varied pressure tests were carried out on Q235 a steel strips.
采用位移门槛电压控制焊接过程，对Q 235 - A钢进行了变压式和等压式扁钢带直流电阻对焊试验。
For AZ31 and AZ61 magnesium alloy, effects of activating fluxes with hybrid component on weld forming in the a - TIG butt joint welding of are studied.
对接实验针对AZ31和AZ61镁合金材料，研究了在A-TIG焊中混合成分的活性剂对焊缝成形的影响。
Therefore the general construction process scheme is worked out as follows: open trench drainage, work site dried in the sun, conventional butt welding, and pipe laid down into trench.
经过调研和反复现场勘察，确定的总体施工方案为：挖明沟排水，作业带晾晒，正常组对焊接，沉管下沟。
Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.
某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。
The key of Cu-Al pipe butt welding is to control the welding parameters. In the original control system, all welding parameters were controlled by time-relays.
铜铝管焊接的关键是对焊接参数的控制，原控制系统采用时间继电器控制焊接参数。
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 features of manual downhill welding, semiautomatic welding, automatic welding and other welding technologies like butt flash welding and laser beam welding (LEW) and so on are analyzed.
分析了手工下向焊、半自动焊、自动焊及特种焊等焊接方法的特点，在选择焊接方法时应考虑管道直径、壁厚、管道长度、设计条件、管子级别等因素。
Parameters of butt fusion welding of plastic pressure-pipe are different for varying pipe diameters and ambient conditions, and it is also affected by personal factor.
塑料压力管道热熔对接焊的工艺参数随管道尺寸和环境条件的不同而不同，同时还受人为因素的影响。
A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.
针对不同强度级别的管线钢x 70和L245对接的焊接工艺进行了研究。
According to the actual situation of Guangdong province township shipyard, Introduction to butt welding and fillet welding procedure approval process and technical standards and the note.
结合广东省乡镇船厂实际，介绍钢板对接焊和角接焊的焊接工艺认可流程、技术标准和有关注意事项。
Based on the operating principle of magnetically impelled rotating arc, a new type of tube to plate butt welding device was designed.
根据磁控旋转电弧的工作原理，设计了一种新型磁控旋转电弧管板对焊装置。
The Intellectual Control System of Flash Butt Welding, the main and basic part of the Flash butt welding machine, is the basic to realize the automation of the welding process.
基于模糊控制的智能化闪光焊机控制系统是闪光焊机焊接系统的重要组成部分。
Flash impetus and adopting projection anulus controlling upsetting, steady speed flash and quality of butt welding point is well.
闪光推进和顶锻采用凸轮控制，闪光速度平稳对接焊口质量好。
A reliable way to improve the quality of spiral pipe was the substitution of high frequency butt welding for HF lap welding.
高频对焊代替高频搭焊是提高中直径螺旋焊管质量的可靠途径。
Butt welding machine process was introduced. 8031 single chip computer was used in controlling flashing current. Hence the flashing butt welding process automation is so achieved.
本文介绍了对焊机的生产工艺过程，并采用8031单片机对闪光电流控制，从而使闪光对焊工艺实现了自动化。
Comparison between radiographic and ultrasonic detection of butt welding on gas pipelines is made in this paper, and some advantages and shortcomings of these methods are analyzed.
对射线、超声和超声波成像几种检测方法检测管道焊缝的优缺点进行比较，对超声波配合超声成像检测现行管道焊缝的可行性进行了探讨。
The principle, applications and process of TANDEM double wire welding for butt welding in shipbuilding were introduced.
介绍了TANDEM双丝焊在造船拼板焊接中的原理、应用和工艺。
The welding technology used for preheating flash butt welding was evaluated for workpieces with large welding section.
针对大截面工件的闪光对焊工艺特点，确定了预热闪光焊的焊接工艺。
The welding technology used for preheating flash butt welding was evaluated for workpieces with large welding section.
针对大截面工件的闪光对焊工艺特点，确定了预热闪光焊的焊接工艺。
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