# how to derive a ball mill critical speed equation

A Ball Mill Critical Speed(actuallyball, rod, AG or SAG) is thespeedat which the centrifugal forces equal gravitational forces at themillshell’s inside surface and no balls will fall from its position onto the shell. The imagery below helps explain what goes on inside amillasspeedvaries. Use our onlineformulaThemill speedis typically defined as the percent of the Theoretical ...

[email protected]