Grinding balls for ball mills materials and heat treatment process

- Jun 07, 2019-

Grinding balls for ball mills are consumables for crushing and grinding minerals. The experimental research over the years has led to the development of grinding ball materials. In the aspect of cast iron, from the traditional brittle cast iron to the austempered bainite ductile iron, the Orb body ductile iron is developed. In the case of cast steel, from ordinary cast high manganese steel to good toughness Shell cast steel, and then developed a multi-component low alloy steel grinding ball material suitable for use under a variety of working conditions.

 

Aube body high anti-wear and high hardenability Grinding balls for ball mills. It is suitable for parts with poor industrial and mining conditions, high wear rate and effective thickness below 100mm, such as mine self-grinding machine liner and Φ100~Φ120mm grinding ball. Aube body high wear-resistant white cast iron is suitable for medium and small ball mill grinding balls, liners and so on.

 

The grinding balls for ball mills in the RX3-60-9 box type resistance furnace at 880~900 °C. After the fire is sterilized, it is kept at 280~320 °C in a salt bath furnace for 60 minutes at medium temperature and air-cooled. Composite austempering should be used, that is, immediately after water cooling to 180~200 °C, immediately transfer to isothermal cooling. Products with complex structure should be cooled by oil and then isothermally cooled. The tempering treatment is heated at 200~220 °C, and air-cooled after 2 hours of heat preservation.materials and heat treatment process

Grinding balls for ball mills are consumables for crushing and grinding minerals. The experimental research over the years has led to the development of grinding ball materials. In the aspect of cast iron, from the traditional brittle cast iron to the austempered bainite ductile iron, the Orb body ductile iron is developed. In the case of cast steel, from ordinary cast high manganese steel to good toughness Shell cast steel, and then developed a multi-component low alloy steel grinding ball material suitable for use under a variety of working conditions.

 

Aube body high anti-wear and high hardenability grinding balls for ball mills. It is suitable for parts with poor industrial and mining conditions, high wear rate and effective thickness below 100mm, such as mine self-grinding machine liner and Φ100~Φ120mm grinding ball. Aube body high wear-resistant white cast iron is suitable for medium and small ball mill grinding balls, liners and so on.

 

The grinding balls for ball mills in the RX3-60-9 box type resistance furnace at 880~900 °C. After the fire is sterilized, it is kept at 280~320 °C in a salt bath furnace for 60 minutes at medium temperature and air-cooled. Composite austempering should be used, that is, immediately after water cooling to 180~200 °C, immediately transfer to isothermal cooling. Products with complex structure should be cooled by oil and then isothermally cooled. The tempering treatment is heated at 200~220 °C, and air-cooled after 2 hours of heat preservation.www.grindingballsmedia.com