How it Works: Crushers, Grinding Mills and Pulverizers
During the primary crushing operation, boulder size feeds from 20 to 100 in. are reduced to secondary crusher sizes of 1 to 20 in. or mill feed size of .5 to 3 in. ... There are two main types of VSI crushers, rockonrock (autogenous) and shoe and anvil. Rockonrock crushers have pockets filled with rock lining the entire circumference of the ...