This paper analyses the usage of LGK series of air plasma arc cutting machine, and enumerates the causes and solutions of striking arc, main circuit, gas path and cutting torch breakdown.

分析了LGK系列空气等离子弧切割机的使用方法，例举了其引弧故障、主电路故障、气路故障、割枪故障产生的原因和解决方法。

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Using the high voltage between the two electrodes to breakdown of gas layer, thus generating an electric arc ignition devices.

利用高电压来击穿其两电极之间的气体绝缘层，从而产生电弧的一种电火花点火设备。

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This paper analyzes the common breakdown of submerged arc welding machine and parameters' adjustment.

继续分析了自动埋弧焊机的常见故障和相关参数调整。

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