The results indicate that high temperature effect of arc column strongly prevents cold gas current from getting in, so as to restrain CVD process.
结果表明:电弧弧柱的高温效应剧烈排斥冷气流的混入,使CVD过程受到抑制。
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 some welding cases of high requirement to arc voltage and arc current, the usual wire feeding system is unable to meet the needs of wire feeding at present.
在一些对电弧电压、电弧电流要求很高的焊接场合,目前常用的送丝系统将难以满足要求。
Yttriated Tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current.
钇钨电极在焊接时,弧束细长,压缩程度大,尤其在中、大电流条件下溶深最大,目前主要用于军工和航空航天工业。
For the arc resistance is nonlinear and high, the conventional feeder protections, such as impedance protection and current protection, maybe fail to trip off.
由于电弧电阻非线性、时变性、高阻的特点,使得常规原理馈线保护中的阻抗保护、电流速断保护往往不能正确动作。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
逆变式弧焊电源是新一代的弧焊电源,其特点是速度快,直流输出电流波纹小,电弧稳定,质量小,体积小,能耗低。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
优质方波电源,电流过零时间短,电弧稳定,无需高频稳弧。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形,电弧稳定性极高,高品质矩形交流波,降低焊接成本,提高焊缝质量。
The condition inbwhich the arc is buried are that the parameters such as CO_2 gas, thick wire, high current and low voltage should be used.
不过CO_2焊射滴过渡只能发生在潜弧状态下,产生潜弧的条件为在CO_2气氛中,使用粗焊丝,大电流和低电压的配合参数。
An electronic circuit which may be applied to the control of firing Angle of high voltage mercury arc current converter is suggested in this paper.
本文提出了一种电子的栅极控制线路,可用来控制高压离子变流装置的工作。
The electrode erosion of gas spark switch caused by high current, high energy arc influences the feature and lifetime of the switch.
气体火花开关在大电流工作情形下,会因为开关电极受到高能量、大电流电弧的烧蚀作用而影响其工作性能和寿命。
It has also been found that diffused vacuum arcs with a high current gives a low post-arc current and that the limitation to the breaking capacity for dif…
分析了不同电源条件下的弧后电流。文中指出,扩散型真空电弧的分断极限是由电击穿决定的,而不由弧后电流引起的热击穿所定。
When an arc fault occurs, the arc current can produce local high temperature and may cause fires if combustible materials surrounded.
发生电弧故障时,很小的电弧电流都能产生局部高温,一旦周围有可燃物就容易导致火灾发生。
Outstanding ability in resisting interference, high reliability, stable current, perfect arc generating and convenient operation.
抗干扰能力强,可靠性高,电流稳定,引弧好,操作方便。
Phase transition, enhanced diffusion and Y-Al alloy formation are studied using Y implantation with high current extracted from metal vapor vacuum arc (MEVVA) ion source.
利用金属蒸汽真空弧(MEVVA)源所产生的强束流离子注入铝研究了相变、增强扩散和钇铝合金的形成条件。
Apply high voltage pilot arc and high frequency stable arc with constant current properties, prevent influence from unstable voltage of power grid.
采用高压维弧和弱高频稳弧,同时具有恒流特性,不受电网电压波动的影响。
It can provide several high performance welding modes, such as constant-voltage submerged arc welding, constant-current submerged arc welding, gas shielded welding and carbon arc air gouging.
它能提供多种高性能的焊接模式,如恒压埋弧焊、恒流埋弧焊、气保焊、碳弧气刨。
It can provide several high performance welding modes, such as constant-voltage submerged arc welding, constant-current submerged arc welding, gas shielded welding and carbon arc air gouging.
它能提供多种高性能的焊接模式,如恒压埋弧焊、恒流埋弧焊、气保焊、碳弧气刨。
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