Welding method of aluminum and aluminum alloy

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Almost all kinds of welding methods can be used to weld aluminum and aluminum alloys, but the adaptability of aluminum and aluminum alloy to various welding methods is different. All kinds of welding methods have their respective applications, and the following are the more common methods of welding:

1, gas welding and electrode arc welding are simple and easy to operate. They can be used for repair welding of aluminum sheets and castings with poor welding quality.

2, and electrode arc welding can be used for repair welding of aluminum alloy castings.

3, and inert gas shielded arc welding (TIG or MIG) are the most widely used welding methods for aluminum and aluminum alloys.

4, aluminum and aluminum alloy sheets can be made by tungsten argon arc welding or tungsten pulsed argon arc welding.

5, aluminum and aluminum alloy thick plate can be made by tungsten helium arc welding, argon helium mixed tungsten gas shielded arc welding, gas metal arc welding and pulse gas metal arc welding.

Various welding methods:

1. Arc welding of welding rod: using the heat produced by arc discharge (commonly known as arc burning), the welding rod and the workpiece are melted and the weld is formed after condensing, thus the welding process of the solid joint is obtained.

2. gas welding: a welding method that uses the flame generated by combustible gas and combustion gas as the heat source, melting welding parts and welding materials to achieve the bonding between atoms.

3. Inert gas shielded welding: it uses argon or rich argon as the protective medium, and uses the arc welding of the welding wire and the arc burning between the wire of welding wire as the heat source.

4. AC argon arc welding: using the output current in a certain period, the tungsten electrode as the welding electrode and the high purity argon gas as the protective gas welding process.

5. and gas metal arc welding: welding method of melting metal by using arc generated between welding wire and workpiece.


Post time: Apr-24-2018