由于氢气能显著提高电弧电压，使氢等离子射流有很高的焓值，当与氩气混合使用时，其等离子射流的切割能力大大提高。
Because the hydrogen can significantly improve the arc voltage, make hydrogen plasma jet has high enthalpy, when mixed with argon plasma jet, the use of cutting ability is greatly increased.
惰性气体保护电弧焊接，等离子焊接，切割。
本研究设计了一种超声频脉冲等离子切割电弧发生系统，并通过实际切割试验，测试、分析了这种高频脉冲电弧的振动特性。
This study designed a system to generate ultrasonic-frequency pulsed plasma cutting arc, and experimentally investigated the vibration characteristics of the high frequency pulsed arc.
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