Either of two rods through which current flows to form an arc, as in lighting or welding.
碳精棒两根棒的任一根，电流流经该棒形成电弧，如在闪电或焊接时。
Welding, as far as possible using argon arc welding, manual arc welding should be used in small current, fast welding, to avoid the swing.
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。
This paper introduces the structure and working principle of LEM current sensors and their application in the development of inverters for arc 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。
The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.
详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。
Testing results show that the major factors affecting the deposition efficiency are the welding current, arc voltage and gas flow rate under the condition of same circuit inductance.
试验结果表明，在回路电感值不变的条件下，焊接电流、电弧电压和气体流量是影响熔敷效率的主要因素。
Yttriated Tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current.
钇钨电极在焊接时，弧束细长，压缩程度大，尤其在中、大电流条件下溶深最大，目前主要用于军工和航空航天工业。
With two parallel circuits on arc powered supply, it settles the welding current unicity, stabilizes forerunner arc and ensures enough welding time.
电弧供电采用了两种并联电路，解决了焊接电流的单一性，提供了稳定的先导电弧，保证了足够的焊接时间。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The main welding parameters such as welding current, arc voltage and welding speed have been optimized by the orthogonal test and welding arc dynamic wavelet analysis instrument.
运用正交试验，结合自行研制的焊接电弧动态小波分析仪对焊接电流、电弧电压、焊接速度等主要焊接工艺参数进行了优化研究。
Welding hot staring arc adjustable, applicable for starting arc of different thickness of work piece. Thrust current can be regulated, suitable for various welding process requirement.
焊接热引弧可调，适用于不同板厚工件的焊接引弧。推力电流可调，适用于各种焊接工艺要求。
The discrete time mathematical model of a switched TIG welding power source is established. The arc ignition process, its property, current wave form and arc stability are analysed.
本文建立了开关式TIG焊电源的离散时域数学模型，分析了电弧引燃过程、引弧性能、电流波形特点和电弧稳定性。
In some welding cases of high requirement to arc voltage and arc current, the usual wire feeding system is unable to meet the needs of wire feeding at present.
在一些对电弧电压、电弧电流要求很高的焊接场合，目前常用的送丝系统将难以满足要求。
The arc length was taken as the manipulated quantity in the system and the peak current width of welding pulse was varied.
该系统以弧长作为操作量，改变每个周期的脉冲峰值电流的宽度，以达到对焊接弧长控制的目的。
The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.
其电弧稳定与否，主要取决于电流过零瞬间的电弧空间电离度、 电极发射电子能力及再引燃电压的上升速度。
To acquire the waveform of the arc voltage and the arc current in welding, a date collection system and digital filter is designed in this paper. The experimental result shows that it is Satisfied.
文中介绍了一种为获取焊接过程中的电弧电压及电弧电流波形，设计的一套数据采集系统及数字滤波器，通过实际运行证明收到了满意的效果。
On the current technical level, the double wire submerged arc narrow groove welding technology invented by Harbin welding Institute was recognized by the market.
就目前的技术水平而言，国内的哈尔滨焊接研究所的双丝埋弧窄间隙焊接技术较为被市场所认可。
According to small signal theory of automation theory, arc of low current TIG welding can be considered as a linear system.
依据自动控制理论中的小信号理论，小电流TIG焊的电弧具有线性系统的特征。
Welding process factors consist of welding electric current, electric arc voltage, welding speed, etc.
焊接工艺因素包括焊接电流、电弧电压、焊接速度等。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
This article introduces a method of arc initiation and stabilization, which is used in low current DC TIG welding, it analyzes the controlling circuit that realizes these functions.
介绍一种小电流直流tig焊中的引弧及稳弧方法，并对实现此功能的控制电路进行了详细的分析。
When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.
在焊接电流确定的条件下，引弧瞬间的焊机输出电压反映了焊接电缆长度、截面积以及地线连接情况等重要信息。
The phenomenon of double arc which is usually caused by the reasons of too big welding current, too small diameter of the nozzle and eccentric of the cathode has been simulated.
针对造成双弧现象的原因，模拟分析了由于电流过大、喷嘴压缩孔径过小和钨极偏心三种因素所导致的双弧现象。
Equipments for manual arc welding consist of power source, current regulator, electrode holder and cables.
手工电弧焊的设备包括焊接电源、电流调节器、焊钳及电缆线。
With independent regulation of the arc starting, welding, and arc ending current, and the arc ending time, it has good effects in welding of both thick and thin metal plate.
具有起始、焊接、收弧电流分别调节，焊接厚、薄板都具有良好的效果。
Surfacing process test is made on Q235 steel substrate by shielded metal arc welding process using electrode CHR322 at different welding current condition.
前言：采用焊条电弧焊工艺方法，选用C HR322堆焊焊条在Q235钢基体上以不同的焊接电流进行了堆焊试验。
A new double single-ended forward arc welding power inverter with IGBT as power device and current PWM controller is introduced in this paper.
提出了一种新型的双重单端正激式弧焊逆变电源，采用IGBT为开关器件，引入了电流型脉宽调制控制器。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
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