Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.
采用模糊控制技术，实现了电弧电压或短路频率的控制，提高了焊接质量。
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。
Arc voltage and welding current are signal source.
以电弧电压和焊接电流为采集的信号源。
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 control device adopts microcomputer for process control, arc striking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.
焊接自动控制装置采用微机实现焊接过程控制，完成引弧、焊接、熄弧控制及弧压自动调节和焊缝自动跟踪。
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。
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。
The effect of active flux and arc shrinking in A-TIG welding is studied through detecting arc voltage with variant welding current.
在变动焊接电流下检测电弧电压，考察a -TIG焊电弧收缩及活性剂的影响。
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。
The effect of active flux and arc shrinking in A-TIG welding is studied through detecting arc voltage with variant welding current in this paper.
在变动焊接电流下检测电弧电压，考察a -TIG焊电弧收缩及活性剂的影响。
The arc voltage is not easily controlled in manual arc welding, sometimes it is damaged to the quality of welding.
手工电弧焊的电弧电压是一个难以控制的参数，有时能对焊接质量产生较大影响。
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。
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。
Arc welding generator used for field welding, sometimes is required to have both dropping and constant voltage external characteristics.
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。
The 2nd earthing ac voltage of arc welding machine does not exceed 200v, and DC peak value does not exceed 400v.
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
The electric network voltage wave can be compensated automatically. The welding electric arc is stability.
具备电网电压波动自动补偿功能，焊接电流稳定。
Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.
介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。
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.
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。
It has ending arc function, after the welding of thick welding wire, loosing sensitive switch, the voltage of arc and welding torch.
设有收弧功能，粗焊丝焊接后，松开枪头微动开关，送丝与电弧电压自动衰减填满弧坑。
The effect of active flux and arc shrinking in a - TIG welding is studied through detecting arc voltage with variant welding current to this paper.
在变动焊接电流下检测电弧电压，考察a-TIG焊电弧收缩及活性剂的影响。
Pulse current, arc polarity, arc voltage and metal transfer of variable polarity pulse MIG welding are controlled by 80c196kc coordinately to implement the stable welding procedure.
单片机协调控制变极性脉冲MIG焊的脉冲电流及电弧极性、电弧电压及熔滴过渡频率，实现了稳定的焊接过程。
The electron arc welding power source without sampling of arc voltage is introduced in this paper.
现代下降特性电子弧焊电源设置的后拖特性一般是由电弧电压取样作为参考电压形成的。
Apply high frequency to generate arc with high voltage, outstanding arc generating Performance, high welding penetration.
采用高频增压引弧，引弧性能好，焊接渗透力强。
It can provide several high performance welding modes, such as constant-voltage submerged arc welding, constant-current submerged arc welding, gas shielded welding and carbon arc air gouging.
它能提供多种高性能的焊接模式，如恒压埋弧焊、恒流埋弧焊、气保焊、碳弧气刨。
A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed. It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process.
建立了微机控制和IGBT逆变式脉冲MIG焊电源系统，实现了MIG焊接过程弧压自适应闭环控制。
A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed. It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process.
建立了微机控制和IGBT逆变式脉冲MIG焊电源系统，实现了MIG焊接过程弧压自适应闭环控制。
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