It's a combination of theory and practice: rough work, but it needs to be refined in practice. It is the combination of hand, eye and heart.

A good welder, without exception, has experienced thousands of welding operations in Qian Qian, and has developed real kung fu!

Covered electrode arc welding operation technology

In order to ensure the stable combustion of welding arc and weld.

After surface forming and arc striking, covered electrode wanted it.

Move in three directions

(1) The coated covered electrode continuously feeds the welding pool.

(2) covered electrode moves forward along the welding direction.

(3) covered electrode swings laterally.

When covered electrode moves, it should form an included angle of 70-80 degrees with the forward direction to push the molten metal and slag to the rear, otherwise the slag will flow to the front of the arc, resulting in slag inclusion defects.

In order to obtain a wider weld, the covered electrode must swing as needed during feeding and moving. The common methods of transporting strips are as follows:

(1) linear bar conveying method

(2) Linear reciprocating strip conveying method

(3) sawtooth belt transportation method