The problems of the peculiarities of arc welding and the estimation of weld quality are discussed.
主要考虑了弧焊特性的提取以及焊接质量的估计。
A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.
本文研究了一种使用数据库及回归分析技术在电弧焊中预测焊道形状及选择最佳焊接参数的方法。
The transformation of weld forming is the results of dual functions of arc shrink and surface tension change.
焊缝成型的变化是电弧收缩与表面张力变化双重作用的结果。
An arc is stuck between the two, and the heat which is generated melts the metal at the weld.
电弧在此两者之间产生，产生的热量会使金属在接焊处熔化。
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
The result of weld pool detecting indicated that the disturbance from arc could be effectively reduced by the composite filter system, and the high quality of images were received.
图像检测实验结果表明，该复合滤光系统有效地消除了弧光干扰，获得了高质量的熔池图像。
In addition, the mechanism of the T-TIG arc pressure reduction to make the sound weld formation was analyzed.
此外，在焊接试验的基础上，进一步对双钨极氩弧焊降低电弧压力、减少焊接缺陷的机理进行了分析。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。
The underwater welding using a water jet curtain to prevent the damaging effect of water on arc and weld is a practical way to im- prove the"wet"weld quality.
利用水射流的屏蔽作用，消除水对电弧和焊缝的不利影响，是提高水下湿法焊缝质量的一种有效方法。
The problems of influences of edge displacement disturbance, tack weld disturbance and high arc temperature on the sensor have been solved.
在传感器方面解决了错边干扰、定位焊点干扰及电弧高温的影响。
The etched section also reveals that multiple weld passes were made over the top of the original submerged arc weld pass.
从酸蚀断面还可以看出：在原自动埋弧焊的上面覆盖有多层焊道。
Using a seam auto - tracking technique with arc sensor, seam tracking experiments for circumferential lap weld of automobile air storage vessel have been performed in this paper.
采用电弧传感式焊缝自动跟踪技术，对汽车贮气筒环缝搭接进行了自动跟踪工艺试验，并对影响跟踪效果和焊缝质量的因素进行了分析。
It was found that impact toughness of weld metal was maximum using carbon arc air gouging, and it was minimum using acid backing.
结果表明，清根方式对焊缝冲击韧度有明显影响，用碳弧气刨清根得到的焊缝冲击韧度最好，而用酸性衬垫得到的焊缝冲击韧度最差。
In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.
在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。
Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.
所以控制电弧后拖是高速焊改善焊缝成形的关键。
The tests show: there are steady arc burning, fully fused weld joints, good connection between base metal and weld joint, no air bubble, cracks etc.
试验过程电弧燃烧稳定，焊接接头充分熔透，母材与焊缝连接良好，未见气孔、裂纹等缺陷。
The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced.
本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。
This is the submerged arc welding, a commonly used welding method that can in an hour deposit weld metal equal in weight to that of the operator himself.
这是埋弧焊，一种常用的焊接方法，它在一小时内熔敷的金属量可以等于操作者本身的重量。
Regarding to submerged arc weld multi-pass weld track and height of weld gun, two-dimension track system is designed.
针对埋弧焊多道焊的焊缝跟踪以及焊枪高度跟踪问题，设计了一种二维跟踪系统。
According to the characteristic of robotic arc welding inverter, two kinds of electronic reactances are designed to improve the spatter and weld appearance in the process of robotic CO_2 welding.
针对机器人用孤焊逆变器的特点，设计了两种形式的电子电抗器，用于改善机器人CO_2焊接过程的飞溅及焊缝成型问题。
The plasma arc welding have a high energy density, thick welding thickness that can weld for single time.
等离子弧焊具有能量密度高，一次性可焊厚度大等优点。
Produced stress concentration if weld reinforcement too large for submerged arc welding, so it should be control.
埋弧自动焊焊缝余高过大会对压力容器产生应力集中的影响，因此应加以控制。
The microstructure, hardness, wear resistance and thermal fatigue resistance of submerged -arc welded surfacing lay er in weld state and heat treatment state have been comparatively investigated.
比较研究了堆焊层在焊态和回火态的组织、硬度、耐磨性及抗热疲劳性能。
By combining experiment with theoretical analysis, the influence of adding axial magnetic field on shape and properties of tungsten inert gas (TIG) welding arc and weld profile was studied.
采用实验与理论分析相结合的方法，研究了外加纵向磁场对TIG焊电弧形态、电弧静特性及焊缝形貌的影响。
This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.
介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。
The surface tension, arc blow force and electromagnetic force work positive to improve the penetration, and the buoyancy can increase the width in the middle of weld pool.
表面张力、电弧吹力和电磁搅拌力均有利于获得较大的熔深，浮力有利于增加焊缝中间部位的宽度。
The welding of high pressure boiler longitudinal weld shall be electric slag welding which may be replaced by improved auto-submerged arc welding when have no electric slag welding.
高压锅炉锅筒纵缝焊接时，采用的焊接设备为电渣焊。在不具备电渣焊的情况下用改进的埋弧自动焊成功的替代了电渣焊。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
应用推荐