Aluminum Welded Wire Welding Gas Pore Prevention Measures

A carefully clean up the oil, dirt, rust, dirt, and oxide film on the surface of the weld surface before welding.

Aluminum welded wire welding gas pore prevention measures:

ER5356 Aluminum Alloy Welding Wire

A carefully clean up the oil, dirt, rust, dirt, and oxide film on the surface of the weld surface before welding.

B reasonable selection of welding venues;

C appropriately reduce the arc length;

D The reasonable distance between the nozzle and the welded parts;

E should choose thicker welding wires as much as possible, and at the same time, add the blunt edges of the horn of the hill, on the one hand, you can allow the use of large currents, and on the other hand, the proportion of welding wires in the metal metal can be reduced, which is effective for reducing the pores.

F should not try to repeat the arc on the same part. When the arc needs to be repeated, it is necessary to polish or scrape the arc; once a welded joint should be welded as long as possible, do not break the arc at will to reduce the amount of connectors and connect the joints. There is a certain weld overlapping area;

Change the protective gas; H check the size of the air flow; I preheat the mother material;

J check whether there is a leakage and a tracheal damage;

K welding when the air humidity is low, or the heating system is used.