• To participate in the 911Metallurgist Forums, be sure to JOINLOGIN
  • Use Add New Topic to ask a New Question/Discussion about Grinding.
  • OR Select a Topic that Interests you.
  • Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent).
    Using Add Reply allows you to Attach Images or PDF files and provide a more complete input.
  • Use Add Comment = to comment on someone else’s Reply in an already active Topic/Discussion.

SAG Mill Operating Work Index (1 reply)

11 months ago
PERTHIAS 11 months ago

A SAG mill operates with a 10000 hp motor. Typical power draw is 80% of maximum. The 80% passing feed size to the mill is 5 inches and the mill discharge has an 80% passing size of 2.1mm. How do i calculate the Operating Work Index for this mill if the feed tonnage rate is 1200t/h?

11 months ago
David 11 months ago

Try this SAG Mill Operating Work Index Calculator http://www.911metallurgist.com/blog/formula-to-calculate-a-mill-operating-work-index-equation

It looks like 6.6 kWh/ton

Please join and login to participate and leave a comment.