The shovel blade is used to shovel material, the blade panel and the side plate work together to drop the materials and send them to the grinding ring and the grinding roller for grinding. If the blade is worn or malfunctions, the materials cannot be removed and the grinding operation cannot be continued. As a wear part, the blade contacts with the material directly, the wear rate is faster than other accessories. Therefore, the blade wear should be checked regularly, if find wear seriously, please solve it in time in case things get worse.