Temperature control means using thyristor surge phase shifter using nitrogen atmosphere furnace used to seal welding, excellent sealing properties.
控温方式采用可控硅移相调压，采用氮气保护气氛，炉体采用全密封焊接，密封性能优良。
The research status of welding of magnesium alloys by fusion welding and solid - phase joining at home and abroad is summarized.
综述了近年来国内外镁合金在熔焊连接和固相连接两方面的研究现状与进展。
The optimum median current and median time were found by experiment when welding steel using waveform with middle median phase.
采用中中值波形控制方法对钢进行焊接试验，确定了最佳的中值电流和中值时间。
Transformers: it is used by water-cooled welding transformer with single-phase 200kva vacuum epoxy encapsulation. It accounts for more than 50% load.
变压器：采用单相200kva真空环氧封装水冷式焊接变压器，占载率50%以上。
The automatic automatic welding dual - phase stainless steel reaction tube and tube sheet on methanol converter is introduced.
介绍甲醇合成塔双相不锈钢反应管与管板的自动焊接工艺。
This paper introduces a novel PWM welding inverter with Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) phase shift full bridge.
介绍一种新型的零电压、零电流全桥相移pwm弧焊逆变器。
It is perfect phase trigger circuit for arc welding power source of SCR.
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
This paper dealt with the welding with phase transformation induced superplasticity technology.
本文介绍了相变超塑性焊接技术。
The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.
力学性能测试结果表明，除在临界二相区加热外，二次热循环均使粗晶区得到初化。
This is a novel advanced technology between transition liquid phase (TLP) diffusion welding and brazing, and it has both advantages.
这是一种界于TLP扩散焊和钎焊工艺之间的一种新型先进工艺，兼有两者之长。
Ultrafine powder is mainly used for preparation of gold conductor paste, slurry and gas sensor gold bonding gold paste welding can also be used for other materials for coating the conductive phase.
超细金粉主要用于配制金导体浆料、金粘接浆料和气敏元件焊接金浆料，也可用于其它材料作涂层的导电相。
The latest developments of application of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
A three-phase d. C. flash butt welder UZ-350 controlling by PLC for welding rims are introduced.
本文介绍了一种用PLC控制的UZ- 350三相次级整流钢圈闪光对焊机。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The effects of welding time on the property of the joins were researched by using macroscopically mechanical property testing and microcosmic crystalline phase analyses. The reasonable welding …
通过接头宏观力学性能测试和微观金相分析，研究了焊接时间对接头性能的影响，从而得到实心、空心螺柱合理的焊接工艺参数。
The latest developments of applicalion of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
The following topics are surveyed: effect of phase structure on the powdering and the flaking of coating during draw forming; effect on the welding; effect on the corrosion resistance.
内容包括：相结构和铁含量对其冲压成型时的粉化性和剥离性的影响；
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
In the practical application of dual phase steel products, the structure constituent and properties of welding joints should meet the requirements of actual production.
在双相钢的实际部件应用中，接头组织及性能必须要满足需求。
The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.
计算结果表明：三相次级整流电阻焊焊接电流基本上是连续的，负载感抗变化对其影响很小。
Finally, the technologic experiment of twin-wire welding was done with the equipment of twin-wire pulsed MAG high speed welding power supply and its multi-phase digital synchronic control system.
应用所研制的双丝脉冲mag高速焊多相位数字化协同控制电源装备进行了大量的双丝高速焊工艺试验。
It is perfect phase trigger circuit for arc welding power source...
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
It is perfect phase trigger circuit for arc welding power source...
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
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