在焊接中应确保起弧与收弧的质量。
Quality of arc starting and arc stopping shall be guaranteed.
起弧电压对字迹模糊度影响不大。
起弧比交流电容易，电弧加长一倍。
起弧比交流电容易，电弧加长一倍。
对于配数控用，应选择非接触起弧方式。
To match with numerical control, should choose the contact arcs way.
但电缆长，会减低其起弧穿孔和切割能力。
But cable long, can reduce the arcs perforation and cutting ability.
等离子起弧检测、初始定位，升降任意调节。
Plasma arcing detection, initial positioning, and adjustable elevation adjustment.
制止在管道和管件的母材外表打弧或许起弧。
Check the appearance of the base metal of the pipe and fitting to make arc or arc.
高频引弧、起弧容易。
晶闸管的通断特性，有利于焊机起弧、稳弧。
The on-off character of the thyratron is advantageous to the arc-starting and arc-stabling of the welder.
有时氮气还被用作氧等离子弧切割时的起弧气体。
Sometimes nitrogen are being used oxygen plasma arc cutting of arcs gas.
研究了气压和起弧电压对喷号机喷字效果的影响。
The effect of pressure and arcs voltage on marked effect of spray marking machine was studied.
十多年品牌，起弧快速、飞溅小、焊道美观、效率高。
For decade of years, this machine was famous in quick arc-starting, less spatter, good weldment and cost saving.
在打弧或许起弧处发现气孔、裂纹等缺点应当处置洁净。
The defects such as air holes, cracks and other defects should be treated in the arc striking.
一般电流大于100a的等离子电源，都是非接触起弧方式。
General current more than 100 a plasma power, are not contact arcs way.
中间焊段的收弧区降低先焊焊段残余拉应力的效果要优于起弧区。
Moreover, the effect of the latter welding subsection's quenching arc region on decreasing residual stress of the prior welding subsection is better than the striking arc region.
无需在每次起弧前重复遮蔽动作。有同等工作时间内。完成效率增加。
There is no need to repeat covering your eyes before arcing. Therefore, efficiency is improved.
电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
分析了真空电弧的引燃过程和起弧后等离子体的扩散过程以及纵向磁场对等离子体扩散的影响。
The vacuum arc ignition process, the plasma diffusing and the axial magnetic field effect are also analyzed.
结果表明：表面越粗糙，越易起弧，形成更高的电弧能量，磨损形式主要是磨粒磨损、电弧侵蚀；
The results show that the higher rough surface will result in the arcing more easily and form higher arc energy, the forms of wear are mainly abrasive wear and are erosion.
不锈钢管件的定位焊起弧和结尾处应圆滑过渡，焊道不能太高，必须保证熔合良好，以防产生未焊透、夹渣等缺陷。
The positioning welding stainless steel pipe shall be smooth transition arc and weld end, can not be too high, must ensure good fusion, produce unweld, slag and other defects in case.
用于低压交流回路的断路器，由于在过零换向电压不能满足再次阴极放电起弧的需要，因此具有容易灭 弧的优点。
In breakers for operation in low-voltage ac circuits, advantage is taken of the voltage required to establish a cathode spot.
针对原等离子切割机存在的起弧困难和小弧到大弧的转移不连续的缺点，对原控制装置硬件结构和控制线路进行技术改造，使用结果表明：该装置运行可靠，起弧容易，控制效果好，并且提高了生产效率。
The author discusses the faults of the existing plasma cutting machine, difficulty to start arc and to transit from minarc to maxarc, then puts forward a new control scheme based on technical desires.
变压器油是变压器内部重要的液体绝缘介质，起绝缘、冷却和消弧的作用。
The transformer oil is an important liquid dielectric material in the transformer; it plays the roles of insulation, cooling and extinction of arc.
池岸以太湖石堆砌自然驳岸，将半壁山和游廊呈弧状连接一起。
Natural pond shore to Taihu pile revetment will Banbishan and rounded in connection with the veranda.
通过一起SF6断路器的爆炸事故分析，以及在断路器特性参数上发现问题的研究，论述了SF6断路器灭弧触头结构形式的重要性。
Through analyzing the explosion accident of SF6 CB, and studying the characteristic data of the CB, the importance of the structure form of SF6 CB VI contactors is discussed.
通过一起SF6断路器的爆炸事故分析，以及在断路器特性参数上发现问题的研究，论述了SF6断路器灭弧触头结构形式的重要性。
Through analyzing the explosion accident of SF6 CB, and studying the characteristic data of the CB, the importance of the structure form of SF6 CB VI contactors is discussed.
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