Gyratory Crusher (Gyratory Crushers Explained)
The pinion on the countershaft meshes with and turns the eccentric gear drive or crown gear. Crown Gear. The inner surface of the eccentric bushing is machined off-centre from the centre-axis of the crusher. As the eccentric bushing rotates, the lower shaft oscillates in an elliptical orbit around the centreline of the crusher. This action ...