What is the long arc and short arc of consumable furnace?

When the arc length exceeds the diameter of covered electrode flux core, it is a long arc, and when the arc length is less than the diameter of covered electrode flux core, it is a short arc. According to the query of Lianzhou power grid, we can know that electric arc furnace is an industrial furnace that uses this principle to melt metal. The electric arc furnace in vacuum environment is a vacuum electric arc furnace. Vacuum arc melting adopts high current and low voltage, which belongs to short arc operation. The difference between a long arc and a short arc is that when the arc is longer than the diameter of covered electrode, it is called a long arc, and when it is smaller than the diameter of covered electrode, it is called a short arc. This can effectively protect the molten pool and reduce the occurrence of welding splash and other problems. Therefore, the long arc and short arc are compared with the diameter of covered electrode core. If it exceeds, it is a long arc, if it is less than, it is a short arc.