Don't move too fast, be steady. After welding a cover covered electrode, remove the last centimeter of welding slag, overlap it by five millimeters, ignite it, reflow it and then weld it.
After the whole weld is welded, slag removal and welder's self-inspection (including appearance and weld size, etc.). ) is correct, welding can be moved to another place to continue.
The basic working principle of electric welding is to reduce the voltage and increase the current through the commonly used 220V voltage or 380V industrial electricity, so that the electric energy can generate huge arc heat to melt covered electrode and steel.
Extended data
1, covered electrode gradually feeds to the molten pool to keep the required arc length. Therefore, the feed speed of coated covered electrode should be equal to that of coated covered electrode.
2. If the covered electrode is fed too fast, the arc length will be shortened rapidly, which will eventually lead to the contact short circuit of the covered electrode bowman weldment and the arc will be extinguished.
3. The moving speed of covered electrode along the welding direction is the welding speed of manual arc welding. If it is too fast, the arc can't melt enough covered electrode and base metal, resulting in too small weld section, which is easy to form defects such as final penetration.
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