Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. ... Large pieces of ore are broken once, and then fall to a lower position (because they are now smaller) where they are broken again. . VSI crushers use a different approach involving a high speed rotor with wear resistant tips and.low speed aggregate crusher,Aggregate Crushers - Mineral Processing & Extractive MetallurgyOct 23, 2016 . Aggregate Crushers are classed by types and as primary crusher and .. to low speed); rod mill (high speed); ball mill; single roll crusher; cone.
low speed aggregate crusher