Gyratory Crusher

primary Gyratory crusher also named cone crusher is a large crushing machinery, using the gyratory sports in casing cone cavity of crushing cone to produce extrusion, fracturing and bending role to materials for crushing ore or rock of various hardness. Gyratory crusher is composed of transmission, engine base, eccentric bushing, crushing cone, center frame body, beams, original dynamic part, oil cylinder, pulley , appliances and dry oil, thin oil lubrication system components etc.

Features & Benefits

Bar Type Spider for less maintenance
Countershaft Bearings automatically adjust to temperature fluctuations and wear, requiring minimal maintenance
Main Shaft Assembly designed to assure security
Hydraulic Adjustment & Accumulator with Relief Valves designed to extend component life
Forged alloy gears and carburized pinions engineered to prevent tooth failure and ensure long service life
Bronze Busings for long life
High Capacity Lubrication minimizing the risk of burned bushings
Crushing Chamber optimized for each application to ensure even wear and high throughput
Drive Protection Coupling reduces shock loading of drive compnents druing tramp events
Automation Systems are avaialable on all gyratory crushers

Working principle of gyratory crusher

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In Gyratory crushers crushing process, the top of the spindle with crushing cone is supported in the bushings at beam central, the bottom is placed in the eccentric hole of shaft sleeves. When Gyratory crusher works, electromotor through horizontal axis and a pair of bevel gear drives eccentric bushing rotation, when eccentric bushing turns, crushing cone does eccentric and gyratory motion around the machine centerline, makes the crushing cone surface near the crushing wall surface sometimes and leave it sometimes, thus make the ore in crushing cavity constantly getting extrusion and bending and being broken, the broken materials is discharged by weight from crushing cavity bottom.