AMIT 135: Lesson 7 Ball Mills & Circuits – Mining Mill …
- Grinding media wears and reduces in size at a rate dependent on the surface hardness, density and composition of the ore.
- Ball wear is directly proportional to surface area per unit mass and thus inversely proportional to ball diameter.
- Other factors include:
- Grinding media wears and reduces in size at a rate dependent on the surface hardness, density and composition of the ore.
- Ball wear is directly proportional to surface area per unit mass and thus inversely proportional to ball diameter.
- Other factors include:
- Bond estimated the amount of wear in terms of kilograms per kWh based on the abrasion index, A;, i.e.,