查询词典 arc welding

Characteristics: Electrode antiseize function Computer automatically delay the unaspirated HF / touch igniting function W-automatic function Xiaoqiu From the Arc / pit filled arc current adjustable Overheating instructions, overload protection, a thermostatically controlled fan, the self-inspection failure Welder software upgrade Technical parameters: Equipped with closed-loop water-cooling system Welding current: 3 - 400 amperes Voltage: 10.1 - 22.0 V

特性： 电极防粘功能电脑自动延缓送气高频/接触引弧功能钨针自动削球功能起弧/填弧坑电流可调过热指示，过载保护，温控风扇，故障自检焊机软件升级技术参数：配备闭环式水冷却系统焊接电流： 3 -- 400安培工作电压： 10.1 -- 22.0 V

The short circuiting transfer pulses in the CO_2 arc welding have a great interference to the signals processing of the arc sensor.

CO2气体保护焊的短路过渡脉冲对电弧传感器信号处理存在较大的干扰。

Arc plasma has many advantages, such as high temperature、 high energydensity and so on. It has been applied in the field of cutting、 welding、 metallurgyand material prepared etc, but there is a long-term problem in the field of the arcplasma technology, which is how to reduce cathode erosion to increase the life-timeof arc plasma generator, so many scholars in the world have been studying theproblem on the cathode erosion.

电弧等离子体具有温度高、能量密度大和对环境污染小等特点，它已被广泛应用于切割、焊接、冶金、材料制备等领域，但是在电弧等离子体技术中，怎样减少阴极烧损提高等离子体发生器的寿命是电弧等离子体技术中一个长期问题，因而国内外的许多学者仍在对阴极烧损这个问题进行研究；本文围绕&通过提高阴极表面温度，增强阴极表面的电子发射能力，来增大阴极弧根直径，进而降低电弧通过阴极弧根传入阴极表面的有效比热流，以达到减小阴极烧损的目的。&

According to the actual characteristic of the TIG welding arc, the spectrum Stark broadening is used to analyze electron density and the dual linear spectrum is used to analyze arc temperature.

结合TIG焊接电弧的实际特点，本课题采用发射光谱的Stark展宽分析电弧电子密度，采用双线法分析电弧温度。

With the analysis of the radiation theory, energy transmission and the balance properties of the radiation spectrum of the arc plasma, the distribution characteristics of the arc spectrum along frequency, space, and time field was investigated, which provide theoretical foundation for the research on the spectrum information of Pulsed MIG welding.

熔化极气体保护焊电弧等离子体辐射光谱中含有丰富的反映熔滴过渡的信息，本文在对脉冲MIG焊电弧光谱信息深入考察的基础上，首次将其应用于脉冲MIG焊熔滴过渡过程的控制研究中，并真正实现了一脉一滴（1峰0基）的熔滴过渡过程，开创了利用电弧光谱信息控制焊接物理过程的先河。

The laser- plasma hybrid welding of stainless steel was conducted to investigate the hybrid arc,light induced metal vapor and plasma arc spectrum features in this paper.

利用所研制的YAG激光等离子弧复合热源，进行了不锈钢激光等离子弧复合焊过程的电弧、光致金属蒸气成像观察和光谱分析。

On the basis of cognition of the potential significance of welding arc spectrum dynamic characteristics and with the destination to find out new sensoring method of metal transfer,this paper provided the parasynchronous principle and in turn verified the relationship between the pulses in the waveform of arc spectrum signals and metal droplet transfer with para high speed photography apparatus.

基于对熔化极气体保护焊电弧光谱信号动态特征重要意义的认识，以发现新的熔滴过渡传感方法为目的，本文提出准同步高速摄影法，设计了准同步光谱信号-高速摄影检测装置，验证了光谱信号波形中的脉冲是熔滴过渡所为，它们之间存在着确定的对应关系。

During plasma-arc keyhole welding, the physical process of keyhole effect and that of weld electric arc condition and influence each other.

小孔效应&的物理过程与电弧物理过程相互制约、相互影响，对电弧信息的分析可以清楚的掌握&小孔效应的变化规律。

After the analysis of weld electric arc message, the variation laws of keyhole effect in plasma arc welding have been understood.

本文对等离子弧的电压信号和声音信号进行了深入地研究，首次使用电弧电压信号和声音信号定量地识别了&小孔效应&的变化。

Secondly, based on a lot of experiments, the method to obtain visual information during aluminum alloy pulse TIG welding is presented. According to the intensity and spectrum distribution of TIG arc of aluminum alloy, the composited wideband filter system were developed to overcome the arc disturbance to weld pool images.

通过大量的实验，探索了铝合金脉冲TIG焊条件下熔池视觉信息的获取方法，根据铝合金TIG焊弧光辐射的强度分布和光谱分布特点，利用熔池反射电弧光的低强度的连续光谱作为照明光源，设计了宽带复合滤光系统，克服了铝合金表面反射的高强度电弧光对熔池视觉信息的干扰。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48