During the operation of the SG series spring cone crusher, the motor drives the eccentric sleeve to rotate via a horizontal shaft and a pair of bevel gears. Driven by the eccentric sleeve, the axis of the crushing cone performs a gyratory motion, causing the surface of the crushing mantle to alternately approach and recede from the surface of the concave liner; this subjects the ore within the crushing chamber to continuous compression and bending, resulting in its fragmentation. These crushers are widely used in the metallurgical, construction, road-building, chemical, and building materials industries, and are suitable for crushing hard to medium-hard ores and rocks—such as iron ore, limestone, quartz, granite, and cement clinker. They feature high-precision bowl bearings, a centralized circulating oil lubrication system, and an innovative dry-oil dust-sealing system. A spring-based safety mechanism protects the equipment from damage should uncrushable material enter the crushing chamber. They are typically employed in secondary and tertiary crushing stages: the “Standard” model is suitable for medium crushing, while the “Medium” and “Short-head” models are suitable for fine crushing.
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