How To Weld With Arc. Then hook up the ground clamp from the welder to the metal. Arc Welding Working Principle.
One needs to strike it the same way as a match and lift it slightly and the rod will start burning on its own. To protect the weld pool from oxidation and contamination the flux coating melts to form shielding gas. Arc welding is a manual skill requiring a steady hand good physical condition and good eyesight.
Then hook up the ground clamp from the welder to the metal.
Due to the electric current been formed the work piece surface and rod melt resulting in a weld pool. Due to the electric current been formed the work piece surface and rod melt resulting in a weld pool. Rod angle arc length travel speed and welding motion are illustrated with photos and videos and a video shows the effect of varying the arc length. Arc Welding in Practice.