TIG焊时的一次引弧成功率高。
在定位焊时焊缝内侧应停止充氩维护。
At the position of the weld, the inner side of the weld should be stopped.
连续焊时得到的金相组织严重奥氏体化。
The austenitizing of metallographic microstructure is severe at continuous welding.
在多层钢加层焊时建议使用脉冲电弧焊。
For multilayer welding on steels, pulsed arc welding is recommended.
增加施焊时的顶锻压力。
建议在钢材多层焊时使用脉冲电弧焊，也适合于炉焊。
For multilayer welding on steel, pulsed arc welding is recommended-also appropriate for oven soldering.
采用该防护面罩，无论是停焊或是起焊时，都能看清焊点。
An operator can see welding spots clearly no matter when stars or stops welding by adopting the utility model.
因此在各种不同位置进行手工弧焊时，均有良好的焊接性能。
Therefore, it always has good welding properties when carrying out manual arc welding at different position.
本文阐明椭圆接头自动焊时满足这些要求的随动原理及实现方案。
This thesis setesforth the following tent satisfied its ask in ellipse-join automatic welding and plan.
由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。
Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.
适用于回流焊时对金手指的保护，电子线路板过锡炉和波峰焊锡遮蔽。
Suitable for reflow when cheat protection, electronic circuit boards wave soldering tin stove and shelter.
焊接工艺评定记录单上应包括封底焊时所用的惰性保护气体组成成分和流率。
The PQR shall include the composition and flow rate of the shielding and inert gas backing, when used.
分析了厚膜片状电阻器波峰焊时开路失效的原因，并提出了相应的解决方法。
Open circuit failure of chip resistors in wave soldering are analyzed and the remedy measures are presented. no refs.
焊接时尽量采用氩弧焊接，采用手工电弧焊时应采用小电流、快速焊，避免摆动。
Welding, as far as possible using argon arc welding, manual arc welding should be used in small current, fast welding, to avoid the swing.
当需要喷涂或喷焊时，关闭高压氧阀，打开送粉阀(4)，热喷涂装置即可工作。
When objects require spray coating or spray welding, the user can close the high-pressure oxygen gas valve and open the powder feeding valve (4), so the hot spray device can work.
特别适合铜雕像修复的焊接，建议在钢材多层焊时使用脉冲电弧焊，用于大焊件时建议预热。
Particularly suitable for repair welding of bronze statues. For multilayer welding on steels, pulsed arc welding is recommended. For large work pieces preheating is recommended.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
埋弧自动焊时，引燃电弧、焊接送丝、电弧沿焊接方向移动及焊接收尾等过程均可实现自动化控制。
Automatic control has been used in the ignition of electric arc, welding wire-feed, movement of arc along welding direction, receiving arc of welding, etc.
通过对不同厚度钢板的拘束焊问题的研究，计算出了不同厚度钢板拘束焊时所需的拘束力和拘束长度。
Through studying the restraint welding of steel plates with different thickness, the restraint intensity and position is calculated.
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the. carbon arc air gouging.
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the. carbon arc …
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the…
根据不均匀的焊接温度场和施焊时焊接构件的刚性条件，可以认为焊接残余变形和残余应力是不可避免的。
According to the asymmetry welding temperature fields and the rigidity of component when welding, we could think it is inevitable that welding would bring remains-strain and remains-stress.
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
该系统根据CO2焊短路过渡特点，对焊接电流进行较为精确的控制，并给出了该系统实际施焊时的电流电压波形。
According to the character of short-circuit transfer, the welding current was accurately controlled by this system, and the real welding voltage and current waveform was given.
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。
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.
介绍了压力容器人孔接管与厚壁筒体相焊时，如何控制产品的质量，避免产生裂纹，焊后通过超声波检测及时发现缺陷。
The paper introduced briefly produce quality control in pressure vessel′s shell and manhole nozzle welding, how avoided crack and found defect by ultrasonic testing after welding.
在进行交流TIG焊时，需要增加一些较复杂的控制方式，如：阴极雾化作用、消除和减小直流分量、稳定电弧等，以保证焊接的正常进行。
In AC TIG welding, it needs add some complex control method to ensure the quality of welding, such as negative-pole atomization affects, D. c. of elimination and reduce, and arc stabilizing etc.
管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。
The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.
安装前先将焊在主梁腹板上，运输时捆绑用的吊钩。
The welding on the girder web first before installation, transportation lashing hook.
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