Ball mill Ф2700×4500 from JOYAL is the main equipment that is used for secondary grinding after crushing. Its 100 years of history proves its reliability and a simple structure ensures ease of operation and convenience of maintenance. It is highly recommended for both dry and wet grinding of ores and other materials. It is suitable for use in ferrous and non-ferrous metal mine, building materials, chemical, electric power, coal, traffic, light industry, etc. It is equipped with rolling bearing support instead of sliding bearing support with bearing bush that improves its efficiency. Furthermore, it saves up to 10-20% energy. Its discharging ways divides it into two types- the grate type and overflow type.