![Crusher an overview | ScienceDirect Topics](/e69yszg/7.jpg)
Crusher an overview | ScienceDirect Topics
Gyratory crushers are principally used in surfacecrushing plants. The gyratory crusher (Figure ) consists essentially of a long spindle, carrying a hard steel conical grinding element, the head, seated in an eccentric spindle is suspended from a "spider" and, as it rotates, normally between 85 and 150 rpm, it sweeps out a conical path within the fixed crushing chamber, or ...