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METHOD AND DEVICE FOR EXECUTING MIG WELDING OF ALUMINUM AND ALUMINUM ALLOY
METHOD AND DEVICE FOR EXECUTING MIG WELDING OF ALUMINUM AND ALUMINUM ALLOY
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机译:用于执行铝及铝合金的MIG焊接的方法和装置
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摘要
PROBLEM TO BE SOLVED: To improve penetration of welding and wetting of weld bead, that is, a connecting angle of the weld bead to a workpiece to be welded. SOLUTION: Concerning the method and device for executing the MIG welding of aluminum and an aluminum alloy using gaseous shielding which is composed of a central gas flow G1 consisting of argon and/or oxygen and peripheral gas flow G2 consisting of argon or the mixture of argon and oxygen in a part to be welded, by improving the penetration of welding and wetting of the weld bead, that is, the connecting angle of the weld bead to the workpiece to be welded by this MIG welding method, the effective welding of the workpiece made of aluminum or the aluminum alloy is enabled.
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