The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
In the welding of bellow, the quality and speed of welding are affected by the skill and emotion of workers. For sake of this, the paper proposed an automatic welding-machine for bellow.
针对波纹管与焊接管手工焊接过程中，焊接质量和焊接速度受操作人员的技术水平和工作情绪影响较大的问题，研制开发了一种自动焊接系统。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.
研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉冲频率等工艺参数对焊接质量的影响规律。
And study the influence of welding speed and active gas for welding porosity defect.
着重研究了焊接速度与活性气体对气孔形成的影响关系。
The high Precision welding bench with speed display and control of girth lap behavior are described.
本文介绍一种具有速度显示，环缝搭接量精密控制的高精度焊接工作台。
The results show that increasing laser power is more beneficial to the increase of maximum welding speed and the effect of the welding parameters on the weld shaping is evident.
结果表明：激光功率的增加更有利于最大焊接速度的提高，只有合理的工艺参数组合才能取得良好的焊缝成形。
Flash can be continual and steady, and then, the good welding joints could be obtained by properly controlling feeding speed of shifting unit of rail continuous flash welding.
有效地控制钢轨连续闪光焊的动力柱送进速度，可以使整个焊接过程保持连续和稳定的闪光，从而获得优良的焊接接头。
The results of experiments indicate that with short circuiting transfer mode, sound weld can be achieved in high speed welding.
试验结果表明，采用短路过渡焊接可以有效地防止驼峰焊道的产生，提高焊接速度。
There are fin cutting devices to produce serrated fin tube and cutting speed is controlled automatically depend on welding speed of tube dancer.
开齿机将翅片切开，可生产出锯齿形翅片管。剪切速度，根据辊子输送管子后焊接的速度自动控制。
Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.
试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
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。
Stud plunge speed is one of the important parameters in arc stud welding.
螺柱送进速度是电弧螺柱焊中的一个重要参数。
Results:At each time point, compared with hand suture method, laser welding had the advantages of faster conducting speed, larger amplitude and shorter maintaining time of action potential.
结果：术后各时间点，同手法缝合侧相比，激光焊接吻合的神经传导速度快，动作电位幅值大，动作电位持续时间短。
Current, welding speed, and pressure are the factors which can influence the welding quality of narrow lap welding machine during the galvanizing unit production.
电流、焊接速度、压力等参数都会影响窄搭接焊机在镀锌机组生产中的焊接质量。
The influence of laser power, welding speed and the focus position to the laser welding process as well as the assist gas to the instability of the welding process are analyzed.
分析了激光功率、焊接速度和焦点位置对焊接过程的影响以及保护气体对焊接过程不稳定性的影响。
With pneumatic and reliable pressurizing and convenient operation, the welder enjoys stepless regulation of welding speed.
该机采用气动加压，压力稳定可靠，调节方便，焊接速度可以无级调节。
The effects of laser power? speed and defocusing parameter on welding depth and width have been studied in the experiment.
研究了激光焊接输出功率、焊接速度、离焦量等工艺参数对焊接深度及焊接宽度的影响。
The effect of processing parameters including laser power, welding speed and protection gas flow on the welding quality was researched in this paper.
探讨了焊接工艺参数包括激光功率、焊接速度、正反面保护气体流量对焊接效果的影响。
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。
The laser-TIG hybrid welding technique, with the characteristics of high welding speed, high efficiency and quality, is being paid more attention by the domestic and foreign researchers.
激光-电弧复合热源焊接具有高速、高效、接头质量优异等特点，目前正在被国内外的研究者日益关注。
The feeding speed of shifting unit of welding machine is one of the most important factors of rail continuous flash welding quality.
影响钢轨闪光焊接头焊接质量的因素很多，其中焊机动力柱的送进速度就是重要因素之一。
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。
In GMAW welding process, when the welding speed reaches a certain threshold, there will be onset of weld bead undercut defects.
在GMAW焊接过程中，当焊接速度达到某一临界值时会出现咬边缺陷，进一步提高焊接速度就会产生驼峰焊道。
The results demonstrated that laser can increase undercut critical speed of hybrid welding, which reaches 5 times than that of arc welding with appropriate welding parameters.
结果表明，激光能够提高复合焊接的临界咬边速度，最高可达电弧焊接的5倍。
The influences of plunge depth, push angle, profile of tool, rotation speed and welding speed on metal flowing were studied.
从压入量、倾角、搅拌工具的外形、焊接速度、旋转速度和材料所处位置等方面研究了工艺参数对金属塑性流动的影响。
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。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
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