Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. ... The crusher illustrated is a short-shaft suspended spindle type, meaning that the main shaft is suspended at the top and that the eccentric is.gravel crusher description,Gravel - WikipediaGravel /ˈɡrævəl/ is composed of unconsolidated rock fragments that have a general particle . Gravel often has the meaning a mixture of different size pieces of stone mixed with sand and possibly some clay. American . Also known as "crusher run", DGA (Dense Grade Aggregate) QP (Quarry Process), and shoulder stone.
gravel crusher description