The shelling machine is to repeatedly bend the steel wire to remove the oxide scale on the surface of the steel wire. The best material for the shelling wheel is YG8 tungsten steel, and the service life reaches 1 year and 12 months. Generally, bearing steel is also used, and the service life is about 3 months. . Tungsten steel YG8 is usually used for steel wires with higher strength, which not only has a longer service life, but also protects the surface of the processed material from scratches.