查询词典 arc component

Plasma cutting machine work, the first plasma arc ignition by high-frequency oscillator excited between the electrode and the inner wall of the gas nozzle, resulting in high-frequency discharge, the gas ionization and the formation of local small arc, this small arc by the compressed air role, from the nozzle to ignite plasmon in the arc, spark generator, which is the main task.

等离子切割机工作时，首先要引燃等离子弧，由高频振荡器激发电极与喷嘴内壁之间的气体，产生高频放电，使气体局部电离而形成小弧，这一小弧受压缩空气的作用，从喷嘴喷出以引燃等离于弧，这是火花发生器主要的任务。

Through the comparative analysis that: the arc-tooth flow of hydraulic performance is better than the arc, Adopting optimize the design parameters of the structure, reducing the flow rate of 0 regions, and strengthen vortices regions, improved irrigation arc tooth for hydraulic performance and anticlogging ability, irrigation design recommended by arc-tooth flow structure.

通过对比分析认为：弧齿形流道水力性能优于弧形流道，可以通过结构参数优化设计，减小0流速区域，强化旋涡区，提高弧齿形灌水器的水力性能与扰堵塞能力，灌水器设计中推荐采用弧齿形流道结构形式。

Based on the results of the experiments, analyzing arc reignition probability and stagnation time of each arc-quenching chamber, a new type arc-quenching chamber with splitter plates, which holds stronger ability of arc quenching compared with the old ones, is designed.

分析了每种灭弧室的电弧重燃几率及电弧停滞时间等性能参数，基于试验的结果，设计了一种灭弧性能明显优于原灭弧室的新型栅片灭弧结构。

At last, arc reignition characteristic is defined for multiple-narrow slot chamber, and the mechanism of arc reignition process is analyzed. A mathematical model which forecasts the arc reignition process is improved for the first time by combining the striking theory of cathode layer with"black box"model for forecasting arc thermal reignition.

最后，通过试验确定了多纵缝陶土灭弧室中电弧重燃特性，对其机理进行了研究，并首次将阴极层击穿理论和预测电弧热重燃的黑盒模型相结合，建立了模拟陶土灭弧室中弧隙由电击穿到热重燃过程的电弧数学模型。

Through testing practically and calculating theoretically, this paper has evaluated generally the energy consumption of the SCR arc welding power source?the DC arc welding generator and the inverter arc welding power source for manual arc welding machine used in production.

通过实际测试与理论计算，对晶闸管整流电源弧焊机、直流弧焊发电机和逆变电源弧焊机等生产中常用的焊条电弧焊焊机的耗电量情况进行了综合评价。

It can be concluded from the above experiment results that for the auxiliaryheated arc plasma generator, an area which has uniform temperature distribution andhigher temperature. In this area, the diameter of the key arc root increases and thiscondition is beneficial to reduce the cathode erosion. At the same time, it is animportant segment for the secondary arc to rotate on the cathode surface and to heatthe surface for the auxiliary heated arc plasma generator.

总结上面的实验结果可以看出：在辅助加热电弧等离子体发生器中，利用辅助电弧对阴极表面的加热作用，能够在阴极表面形成一个温度较高且分布均匀的区域；在温度较高的区域内，主弧弧根直径增大，这种情形有利于减小阴极烧损；同时，辅助电弧旋转加热阴极表面是辅助加热电弧等离子体发生器的一个重要环节。

In order to avoid or reduce arc fault hazard,the authors established an arc fault detecting test system with the method of power spectral analysis to study the early acoustic characteristics of fault arc ,and extracted the sound signature of early fault arc by using power spectrum analysis.

为了避免或减少故障电弧的危害，笔者建立了故障电弧探测试验系统，采用功率谱分析的方法对故障电弧的早期弧声特性进行了试验研究，提取出故障电弧的早期弧声特征信息。

Results of experiments under different conditions show that, compared with arc electrical signal and arc light signal, arc spectrum signal is of more advantageous property. It can not only detect short-circuit metal transfer, but also more effectively detect droplet in free transfer mode than electrical signal. It can not only detect the droplet transfer in the CO〓 welding, but also can detect spray transfer in Ar welding with advantage over arc light signal. Especially, its outstanding capability of detecting steam spray transfer where other approaches fail, shows that are spectrum information has the utmost signal quality in metal droplet transfer detecting.

多种工艺条件下的对比实验表明，与电弧电信号及光强信号相比，电弧光谱信号具有更为优越的信号品质，其不仅可以检测熔滴短路过渡而且优于电信号可以有效地检测自由过渡；不仅可以检测活性气体保护条件下的熔滴过渡，而且优于光强信号可以检测惰性气体保护条件下的喷射过渡，特别是其可以实现熔滴射流过渡的检测，解决了这一用其它信号无法克服的难题，体现出电弧光谱信息在熔滴过渡研究中所独具的优越性。

The company already has strong manufacturing capabilities and improve the detection equipment and instruments, has introduced products that have BX1, BX3, BX6 Series AC arc welding machine, ZXE1 Series AC-DC dual-use arc welding machine, WS series of manual TIG welding machines directly, LGK8 series plasma cutting machine, NBC series of carbon dioxide gas shielded welder, ZX5 Series Thyristor rectifier arc welder, ZX6 series three-phase rectifier arc welding machine, Products exquisite workmanship, excellent performance, reasonable structure, novel modeling and at the same time, the company invested in the continuing strength in science and technology and the use of foreign technology to market.

公司已具有雄厚的制造能力和完善的检测设备及手段，先后推出的产品有BX1、BX3、BX6系列交流弧焊接机，ZXE1系列交直流两用弧焊机，WS系列手工直接钨极氩弧焊机，LGK8系列等离子切割机，NBC系列二氧化碳气体保护焊机，ZX5系列晶闸管整流弧焊机，ZX6系列三相整流弧焊机，产品工艺精湛，性能优良，结构合理，造型新颖，同时，公司在不断的投入科技力量，并采用国外技术将产品投放市场。

The company owns a professional team of engineering technicians experienced in the research, design and development of welding equipment, complete processing and manufacturing facilities, advanced designing, testing and detecting means, specializing in the production of seven major categories, eighteen series and about one hundred models of welding equipment like various AC arc welders, DC arc welders, argon arc welders, CO2 gas welder, submerged arc welders, resistance welders and air plasma cut-off machines.

公司拥有一支多年从事焊接设备研究、设计、开发的专业工程技术人员队伍，具有完备的加工制造条件，先进的设计和试验检测手段，专业生产各类交流弧焊机、直流弧焊机、氩弧焊机、CO2气体保护焊机、埋弧焊机、电阻焊机、空气等离子切割机等七大类十八个系列近百个型号规格的焊接设备。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。