这种跳弧现象在一定的脉冲电流幅值和相应的脉冲电流时间产生。
This arc jumping phenomenon takes place at a certain amplitude of pulse current with a certain correlated pulse current time.
采用了新颖的脉冲电流幅值检测方法，解决了窄脉冲电流幅值难以检测的问题。
A new method of pulse peak detection is designed and the problem that the peak of the narrow pulse is difficult to detect is solved.
脉冲电流幅值和EP半波时间对铝合金表面氧化膜的清理有重要影响，在焊接薄板铝合金时应采用较低的脉冲频率。
The pulsed current peak value and EP time have a important effect on removal of the surface oxide, the lower frequency should be adopted for thin sheet of aluminium alloy.
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