Tig welding aluminum Why use AC settings

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Hello everyone
Today is about aluminum welding.
Among the aluminum welding setting methods...
DC positive polarity
DCSP (Direct Current Straight Polarity) or DCEN (DC Electrode Negative)
DC reverse polarity
Direct Current Reserved Polarity (DCRP) or DC Electrode Polarity (DCEP)
And the difference between alternating current.
The video shows the unique properties of aluminum.
Thanks for watching.
Please take good care of your health.













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#DCEN
#DCRP
#DCEP
#positive
#negative