Precipitator skeleton is using high frequency welding welding skeleton molding once.
除尘器骨架是使用高频焊机一次焊接骨架成型。
The reason of lower welding qualified rate of high frequency welding spiral fin pipe is analyzed.
分析了高频焊接螺旋翅片管焊接合格率偏低的原因。
The high frequency welding procedure and its forming fundamental of spiral fin pipe is introduced.
介绍了螺旋翅片管高频焊接工艺及其成型基本原理。
The demand to welding process of high-frequency welding pipe is introduced, some related parameters proposed.
介绍了高频焊管对焊接工艺的要求，提出了有关工艺及技术参数。
They are fitted fly saw of high-frequency welding tube sets, used for cutting steel tubes and Hollow steel window and door profiles continuously.
锯片安装在高频焊管机组的飞锯上适合连续切割钢管以及建筑用空腹钢门窗。
All window walls are manufactured using the finest PVC material and constructed using the latest in all - weather adhesives and high frequency welding.
所有窗口的墙壁是采用最好的PV C材料和建造使用全天候粘合剂和高频焊接最新的。
The high frequency welding H-section steel has properties of broad and thin section component. Its higher axial lateral resistance capacity forms rigid frame.
高频焊接H型钢具有宽肢薄腹构件的特征，其强轴方向具较强的抗侧能力，形成刚性框架。
A square-wave AC high-frequency welding power source is composed of the square-wave AC high-frequency generator and DC welding machine controlled by thyristor.
将晶闸管直流焊机与方波交流高频发生装置组合，构成方波交流高频焊接电源。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射（EBSD）等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
It is hot-rolled or cold-rolled strip or sheet for the blank shape by the cold bending process after the high-frequency welding as a square cross-section made of steel shapes and sizes.
它是以热轧或冷轧带钢或卷板为坯料经冷弯曲加工成型后再经高频焊接制成的方形截面形状尺寸的型钢。
The design and function of the solid state high frequency welding are introduced, at the same time the setting of the state signal measuring point in solid state high frequency welding is presented.
介绍了固态高频焊机PLC控制系统的设计和功能，以及固态高频焊机状态信号检测点的设置。
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。
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。
Third: Inverter-based welders let operators adjust the welding output frequency, from 20 to 250 Hz in the case of the Dynasty.
第三：逆变型焊接焊工让操作调节输出频率，从20到250赫兹的情况王朝。
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。
For welding thicker pieces, automatic frequency control should be adopted.
对于较厚的焊件，应进行频率自动控制。
The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.
针对振动焊接中激振器的激振力不大、频带不宽等缺陷，本文研制了一种以超磁致伸缩激振器为执行元件的微振动平台。
Metal transfer frequency are usually taken as the criteria to evaluate the process stability of short-circuiting arc welding.
短路过渡焊接时，熔滴过渡频率通常被作为评价焊接过程稳定性及焊接质量的重要指标。
Based on the model, analysis and revising in frequency domain, several parameters are taken around the theoretical revising parameter, both resistance load and welding experiments are carried out.
在此基础上用频域法进行分析和校正，在理论校正参数附近取多组实际校正参数，分别进行电阻负载实验和焊接工艺实验。
On the basis of digital signal process and nondestructive testing, the effect of welding process on the frequency spectrum of the current signal in AC spot welding is analyzed.
在数字信号处理及无损检测的理论基础上，分析了焊接过程对电流信号频谱的影响。
Light emission from the plasma in laser welding of zinc-coated plates when there appeared pinhole in the weld were analysised on magnitude and frequency ranges.
对镀锌板激光拼焊过程中焊缝上出现孔洞时的等离子体光信号进行了幅域和频域分析。
The variable polarity power supply can satisfy the welding process of the aluminum and aluminum alloy by adjusting the current frequency, positive and negative current time and amplitude value.
调节正负半波的幅值、频率及占空比能满足铝及铝合金的焊接工艺要求。
This pape studies the optimum design theory and practice of hight frequency high-power pulse transformer of arc welding inverter.
从理论和实践上探讨了弧焊逆变器的高频脉冲功率变压器的优化设计。
An optimization model for the body-in-white (BIW) of a commercial vehicle cab is set up with natural frequency as constraint and minimizing the volume of welding spots as the objective.
为某一商用车驾驶室白车身建立了以固有频率为约束条件，焊点体积最小化为目标的优化模型。
IGBT power modules, 18khz inverter frequency, fast response time, high arc stability, almost spatter-free welding.
采用IGBT模块，逆变频率达18khz，动态响应速度快、稳定性能好、。
This paper investigates energy distribution of air-borne acoustic signals in time-frequency domain during aluminum alloys spot welding in order to identify weld nugget states.
研究了铝合金点焊过程中声音信号的时频域能量分布，并应用它来识别点焊的熔核状态。
A reliable way to improve the quality of spiral pipe was the substitution of high frequency butt welding for HF lap welding.
高频对焊代替高频搭焊是提高中直径螺旋焊管质量的可靠途径。
It is approved that the novel high frequency power transformer can be applied on 50kva soft-switching submerged arc welding inverter successfully.
实践表明，该新型结构的功率变压器可以成功的在50kva软开关埋弧焊逆变器中应用。
Varying frequency is used to control AC pulse frequency in normal welding state.
正常焊接状态时变频控制交流脉冲频率。
In the course of laser-arc hybrid welding, the high frequency caused by drawing arc interfered the control system which make the laser and electric arc not able to realize the hybrid welding.
激光-电弧复合焊接过程中，由于引弧产生的高频干扰了激光器的控制系统，造成了激光和电弧不能实现复合焊接。
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