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Submerged arc welding is one of the most efficient mechanized welding methods, and its full name is submerged arc automatic welding, also known as automatic arc welding under flux layer. Advantages:
High production efficiency
This is because, on the one hand, the conductive length of the welding wire is shortened, the current and current density are increased, so the depth of the arc and the efficiency of the welding wire deposition are greatly improved. On the other hand, due to the heat insulation effect of flux and slag, there is basically no heat radiation loss on the arc, and the splash is less, although the heat loss for melting flux has increased, the total thermal efficiency is still greatly increased.
High weld quality
The protection effect of slag air isolation is good, the welding parameters can be maintained by automatic adjustment, the technical level of the welder is not high, the composition of the weld is stable, and the mechanical properties are better.
Good working conditions
In addition to reducing the labor intensity of manual welding operations, it has no arc radiation, which is a unique advantage of submerged arc welding.
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