### test method for bond ball mill work inde

test method for bond ball mill work inde. COMMINUTION 10SAGDesign. from 1.4 to 34 kWh/t and Bond ball mill work index values vary from 6 to 24 kW/t for the same ores. Project design tonnages varied from 200 to 150 000 t/d SAG mill sizes varied from 10 ft to 40 ft diameter in multiple SAG mills and ball mill sizes varied from 7 ft to 27 ft in