How to prolong the service life of the overflow ball mill?

Why are ball mills so popular? The ball mill can grind dry or wet, and make sand and powder. It can produce 1-50 tons per hour and discharge 20-400 mesh. There is no need to replace the hammer head, which reduces maintenance costs. It is cheap and easy to use. For more details please contact my whatsapp 8618238543716 | BTMA Mining Machine