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介绍了微束等离子弧焊变极性电源的工作原理 ,研制的电源不仅具有电流极性比可调和方波交流频率可调的功能 ,而且还具有正、负半波电流幅值独立可调和交流载波焊接的功能 ,输出焊接电流 2～ 60A ,适合于铝合金薄板的焊接。
Introduced the work principle of micro-beam plasma arc welding variable polarity power supply, the developed power supply not only has adjustable current polarity and square wave AC frequency adjustable function, but also has positive and negative half-wave current amplitude adjustable and exchange Carrier welding function, output welding current 2 ~ 60A, suitable for welding aluminum alloy sheet.