Crusher Efficiency Calculations 911 Metallurgist
Sep 15, 2014 A grid chart or curve for the selected crusher shows that, for a 2 -in. setting, 54 of the material will pass a 1 -in. screen, or 46 will be retained this is like Jaw Crusher capacity table above where 48 passes a 1 in. screen. The 46 of 70 tph gives the 32 tph fed to the secondary crusher shown in Figure below as a roll crusher.