>Home >primary crusher brand asthenia-mining equiments supplier

primary crusher brand asthenia-mining equiments supplier

On large primary crushers, using curved or nonchoking concaves and where gravity is of marked aid to nip with the large pieces at the mouth. the angle runs from 25 to 30 . The parameters used in the basic design of a gyratory crusher are nip angle, feed rate, feed opening, closed-side setting, work index, ...