1.Before welding aluminum alloy, the surface of the aluminum alloy should be cleaned. There should be no oil, dust, etc. The surface of the aluminum alloy welded joint can be cleaned with acetone. The thick aluminum alloy should be cleaned with a wire brush and then cleaned with acetone.
2.When welding aluminum alloy, first clean the surface of the aluminum alloy, there must be no oil smoke, dust, etc., and the thick aluminum alloy should be cleaned with a wire brush, then add acetone.
5.The cable of the welding torch should not be too long. If it is too long, the wire feeding will be stable.
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