The prim arily used equipment in crushing are-jaw crushers gy rator y crushers and cone crushers whereas rod m ills and ball mills closed circuited with a classifier unit are generally employed.
This mechanical pressure is achieved by the two jaws of the crusher of which one is fixed while the other reciprocates. A jaw or toggle crusher consists of a set of vertical jaws one jaw is kept stationary and is called a fixed jaw while the other jaw called a swing jaw moves back and forth relative to it by a cam or pitman mechanism acting .
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A jaw crusher uses compressive force for breaking of particle. This mechanical pressure is achieved by the two jaws of the crusher of which one is fixed while the other reciprocates.
These rocks are formed by crushing and shearing with only minor recrystallization. If there are no conspicuous directional features the rock is called "crush breccia" if coarse grained and "cataclasite" if fine grained. Most of them however are foliate. Mylonite: finely ground foliate
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.1 The following equipment is used for crushing and grinding of minerals in the preparation of traditional ceramics materials. Which of the pieces listed is used for grinding (two correct answers): (a) ball mill (b) hammer mill (c) jaw crusher (d) roll crusher and (e) roller mill?