本文介绍光导纤维内窥焊弧投影仪的结构和原理，并给出主要参数。
This paper describes the structure and the principle of the projected instrument of optical fibers inspection for the welding arc and gives major parameters.
最后开发了一套基于DSP为核心的数字控制系统，完成了熔化极气体保护焊弧长控制系统的硬件电路设计和软件设计。
A digital control system based on DSP was developed and the hardware and software configurations of the GMAW control system were completed.
虽然美国宇航局用它来给航天飞船的燃料箱加压，氦主要还是用来做弧焊和裂纹检测。
Helium is used for arc welding and leak detection, mostly, although NASA USES it to pressurize space shuttle fuel tanks.
将等离子云传感器应用于脉冲等离子弧焊穿孔熔池小孔状态检测，并对检测信号的波形特征做了深入研究。
The plasma cloud charge sensor was applied to detect the status of keyhole molten pool during pulsed plasma arc welding, furthermore, the detected signals were studied.
本文介绍了一种由作者研制的手弧焊模拟训练装置，目的在于给手弧焊学习者提供辅助练习。
This paper introduces a manual welding simulant trainer which is developed by the writer in order to provide learners of manual welding an auxiliary training.
属于拉弧式电弧螺柱焊焊枪，焊接质量好，重量轻，操作方便。
Draw arc stud welding gun makes high welding quality, with light weight and convenient operation.
在修割边和钻孔之间的裂纹用气弧消除，然后进行焊补。
The crack between the coped and hole was removed by air arc and then repaired by welding.
本文介绍LEM电流传感器的结构，工作原理及其在弧焊逆变器研究中的应用。
This paper introduces the structure and working principle of LEM current sensors and their application in the development of inverters for arc welding.
且拥有数控立式车床、大型落地镗床、自动间隙埋弧焊、光电跟踪切割机以及各类计量检测设备。
And has a CNC vertical lathe, boring machine large landing, automatic gap submerged arc welding, electro-optical tracking cutting machine and a variety of measurement test equipment.
主要考虑了弧焊特性的提取以及焊接质量的估计。
The problems of the peculiarities of arc welding and the estimation of weld quality are discussed.
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。
The etched section also reveals that multiple weld passes were made over the top of the original submerged arc weld pass.
提出采用大功率IGBT设计变极性脉冲MIG焊双逆变弧焊电源。
The high-power IGBTs are adopted to design the dual inverter arc-welding power source for variable polarity pulse MIG welding.
采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源，附加晶闸管直流斩波器组成的。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
通过对脉冲MIG焊的具体分析，对BUCK变换器中的相关控制方法在弧焊逆变器中应用的可行性和存在的困难进行了讨论。
By the detail analysis of pulse MIG welding, the possibility and the question in the relative control method of BUCK inverter to be used in arc welding inverter are discussed.
重点分析了IGBT弧焊逆变器的驱动电路和保护电路，以及IGBT驱动模块和应用。
It emphatically analyzes the drive circuit and protective circuit of IGBT arc inverter, and the application of IGBT.
随着科学技术在焊接领域应用的不断深入，数字化技术和波形控制技术在弧焊电源中的应用也越来越广泛。
With the further application of advanced technology in the welding field, the digital technology and wave controlled technology have been widely applied in the arc welding power.
用于野外焊接施工的弧焊发电机，有时需要有下降特性和平特性的双重输出外特性。
Arc welding generator used for field welding, sometimes is required to have both dropping and constant voltage external characteristics.
研究了焊剂碱度对管线钢埋弧焊熔敷金属显微组织和韧性的影响。
The effect of flux basicity on the microstructures and toughness of SAW deposited metals on pipe line was investigated.
对国内几种螺旋埋弧焊钢管倒渣装置作了简单介绍分析，指出了这几种方式的优缺点。
This article analyzes some kind of slag pour-out equipment of SSAW pipe, and points out the shortcoming and advantage of these equipment.
螺旋埋弧焊管在成型过程中容易产生内焊热裂纹。
Hot cracks commonly occurred in inside weld as the forming process of SSAW pipe.
从而解决了《弧焊电源》课程实验和直流焊机动特性评定中存在的问题。
This derices can be used for course experiments of welding power source and property evaluation of the DC welder.
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。
Regarding to submerged arc weld multi-pass weld track and height of weld gun, two-dimension track system is designed.
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。
The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced.
在与传统的弧焊电源控制比较的基础上，提出了一种软开关弧焊逆变电源的数字控制方案。
Compared with traditional control method, a digital control method of soft-switch arc welding power source is put forward.
试验研究了钴铬合金口腔修复材料微束等离子弧焊的可行性。
The article discussed the feasibility of micro-plasma arc welding Co-Cr alloy for oral cavity repair.
根据熔化极焊丝填充焊的特性，对钢桥焊接中普遍应用的药芯焊丝CO_2气体保护焊和埋弧自动焊进行了焊接试验。
According to the characteristics of arc welding with filler wire, experiments about the FCAW-CO_2 and SAW which is commonly used in steel bridge welding were carried out.
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
It is perfect phase trigger circuit for arc welding power source of SCR.
从而全面、正确地把握了这种电路的工作原理，为晶闸管弧焊逆变器的工程设计找到了正确的依据。
Thereby the work principle of this commutating circuit is understood clearly, and an overall and correct foundation for engineering design of the inverter is found.
根据对比铝热焊与手弧焊修复工艺，阐明了用铝热焊修复钢锭模是一种高效、节能、焊接质量好的新方法。
By comparison with manual arc welding, it is found that the thermit welding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.
根据对比铝热焊与手弧焊修复工艺，阐明了用铝热焊修复钢锭模是一种高效、节能、焊接质量好的新方法。
By comparison with manual arc welding, it is found that the thermit welding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.
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