### Bond Ball Mill Work Index

Ball mill bond work index: wib = 12.1 kwh/st rod mill bond work index: wir = 10.5 kwh/st impact bond impact index: wii = 7.9 kwh/st sag power ... mei online - bond work index an abreviated test that did not reach steady state as a bond work index does would only be ... mill sizing.Bond ball mill work index (kwhr/tonne) 18.34 17.17 the results showed the spherical grinding media to require 18.34kwhr/t of energy to grind the sample compared with an energy requirement of 17.17kwhr/t for the relo grinding bodies, a difference of.