Straight line transportation method. When welding in this way, the covered electrode will not swing laterally, but move in a straight line along the welding direction. Commonly used for butt welding and multi-layer multi-pass welding of I-groove.
2.
Linear reciprocating strip transportation method. When welding in this way, the end of covered electrode swings back and forth along the longitudinal direction of the weld. It is characterized by welding. ...
3.
Sawtooth strip transportation method. When welding in this way, the end of the coated electrode swings, moves forward continuously in zigzag, and stops at both sides. ...
4.
Crescent-shaped strip transportation method. When welding in this way, the end of covered electrode is crescent-shaped along the welding direction.