BALL SIZE CALCULATION:

These calculations of the optimal ball size use both Azzaroni's and Allis Chalmers' formulae.


To use:

Enter the necessary input data and ensure their units are correct.

Click on "Calculate" to calculate the optimal ball size.

Scroll down to see the result.

Input data:

Effective mill diameter:		feet meters
Effective mill length:		feet meters
Mill speed:		% critical speed rpm
Ore density (tone/m3):
Ore feed size F80 (microns):
Ore work index (kWh/tonne):