It has the welding current feedback circuit and the welding voltage feedback circuit.
具有焊接电流反馈控制电路及焊接电压反馈控制电路。
Contact mark. Intermittent marks adjacent to the weld line resulting from the electrical contact between the electrodes supplying the welding current and the pipe surface.
触点痕。由于供焊接电流的电极与管子表面间的电接触，致使在焊缝线附近产生不连续痕迹。
High ability in resisting public power grid voltage wave ang power grid compensation, stable welding current.
抗电网电压波动及电网补偿能力强，焊接电流稳定。
Taking MIG welding as example, under each control modes, the welding parameters such as the welding current, welding voltage, pulse frequency, etc.
以铝合金MIG焊为例，在每种脉冲模式下，分别改善焊接电流、焊接电压、脉冲频率、占空比等参数进行焊接并采集输出电流波形。
C,. Incomplete fusion prevent adopting greater welding current, use correctly to weld the cleaning of operating, notice groove position.
未熔合的防止采用较大的焊接电流，正确地进行施焊操作，注意坡口部位的清洁。
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。
The PID adjuster of integration separation mode has been used in this system, which have good responsive speed and adjust property in the range of welding current.
系统采用积分分离式变参数PID调节器，在焊接电流调节范围内，具有良好的响应速度和调节性能。
Through combination adjustment of the thick and thin switches, to make the output welding current be possible to adjust the scope thinner and wider.
通过厚薄两种开关的综合调整，使输出焊接电流去适应更薄和更广的范围成为可能。
Welding current is transferred to the wire through the contact tip whose bore is slightly greater than the wire diameter.
焊接电流通过孔径稍大于焊丝直径的接触端传送到焊丝。
The welding current can be reduced, which produces lower electrode temperature and enhances the electrode life.
可降低焊接电流，导致较低的电极温度从而提高了电极寿命。
Reducing welding current and weld time were found to reduce electrode sticking.
电极粘附力随点焊电流和点焊时间的减小而下降。
Simultaneously, the sensing mode for spot welding current was chosed and an structure of integral circuit and system circuit was designed.
同时，进行了点焊焊接电流方式的选择，积分电路和系统电路的设计。
Based on these fuzzy control forms, weld pool width is easily controlled by adjusting welding current.
以焊接电流为控制量，可以根据此控制作用表对焊缝熔宽进行实时控制。
The controlling system has many work patterns, such as manual, semiautomatic, and automatic, and can compensate for the effect of voltage fluctuation to welding current.
控制系统具有手动、半自动、全自动等工作方式，可自动补偿网压波动对焊接电流的影响。
The effect of welding current on pressed depth is above that of welding press and welding electrifying time.
焊接电流对压入深度的影响明显大于电极压力和焊接通电时间。
The welding current control for inverter source is the key that meets requirements of varied welding processes and ensures the operation stability and reliability.
弧焊逆变电源输出电流控制是满足不同焊接工艺需求和保证电源可靠运行的关键。
During the course of forming the welding spot, checking and controlling spot welding current value is the key to assure the welding quality.
在焊点形成的过程中，点焊电流有效值的检测与控制是保证焊接质量的关键。
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 large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。
Equipped with welding controller, the welder has precise control and setting functions for the welding time and intervals and welding current energy.
同时配备缝焊控制器，对焊接时间，间歇时间，焊接电流能精确的设定和控制。
The accurate measurement of welding current and voltage is very important to the exact control of resistance spot welding inverter and welding quality.
焊接电流与电压的准确测量对精密控制逆变电阻点焊电源和保证焊接质量至关重要。
Digitized PMIG welding is playing an important role in welding field for its advantages, such as good direction transition, less splashed material, nice figure and wide welding current extent.
数字化脉冲MIG焊以其可以在很大电流范围内获得射滴过渡、轴向性好、飞溅小、适合全位置焊等众多优点，在焊接领域中占有重要一席。
The results indicate that with the increase of the welding current, welding press and electrifying time, there are decreased in rate of false welding and increased in pressed depth.
结果表明：当焊接电流越强，电极压力越大，焊接通电时间越长时，钢筋网焊点虚焊率越低，压入深度越大。
When welding voltage is between 21v and 24v and welding current is between 210a and 270a, better welding line can be obtained.
发现超窄间隙焊的焊接电压范围在21 ~24v，电流在210 ~ 270a能够得到较好的焊缝成形。
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。
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。
Weld penetration and wire melting speed of AC PMIG welding not only have relationship with welding current but also with electrode negative ratio.
交流脉冲MIG焊其焊缝熔深及焊丝熔化速度不仅与焊接电流有关，而且与负极性比率有关。
The design, analysis and testing of the welding current signal detecting circuit for spot welding machine are discussed in this paper.
本文主要论述点焊机焊接电流信号检测电路的设计、分析和测试。
The design, analysis and testing of the welding current signal detecting circuit for spot welding machine are discussed in this paper.
本文主要论述点焊机焊接电流信号检测电路的设计、分析和测试。
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