Description
What is a Cone Crusher Eccentric Bushing?
An Douille excentrique is a high-precision, heavy-duty sleeve bearing positioned strictly inside the crusher’s eccentric assembly. Its critical function is to securely support the main shaft and guide the high-speed gyratory motion of the crushing head. By providing a perfect rotational interface and maintaining a crucial oil film clearance, une prime Douille excentrique minimizes structural metal-to-metal friction, converting raw motor power into efficient compressive force while protecting the main shaft from severe scoring during continuous aggregate reduction.
Compatibilité des équipements & Référence croisée OEM
Notre remplacement après-vente Douille excentrique parts are precision-engineered to be direct-fit upgrades for Metso crushers, réduisant considérablement votre coût total de possession (Coût total de possession) while ensuring maximum field uptime and zero installation issues.
| Marques prises en charge | Série de concasseurs applicables | Numéros de pièces OEM courants |
| Racines | Série HP de Nordberg: HP100, HP200, HP300, HP400, HP500, HP800, HP4, HP6 | 7015655250, 1022072951, 1022073307, 1022074069, 1022074809, 1022075464 (Correspond aux spécifications OEM standard) |
Ingénierie de base & Avantages techniques
Because the eccentric assembly operates under immense multi-directional crushing forces, standard bearings can suffer from rapid wear or deformation. Notre prime Douille excentrique replacements are manufactured for superior longevity:
Premium Leaded Bronze Alloys: Cast from high-grade C93800 and C93700 bronze alloys to deliver exceptional anti-friction properties and outstanding wear resistance under maximum load conditions.
Usinage CNC de précision: Guarantees an exact dimensional bore fit, ensuring seamless on-site replacement alignment and maintaining the perfect hydraulic lubrication clearance.
High Load Capacity: Engineered to prevent physical bushing deformation and handle severe kinetic spikes during choke-feeding aggregate surges.
Vibration Suppression: Optimizes mechanical tolerances between the main shaft and eccentric, securing a highly stable crushing circuit and extending the life of adjacent drive train components.
Directives d'entretien: When to Replace Your Eccentric Bushing
Operating with a worn sleeve bearing will destroy your main shaft and contaminate the lubrication system. We recommend checking the oil quality every 200 hours and inspecting the Douille excentrique during routine teardowns:
| Objectif de l'inspection | Panneaux d'avertissement (Remplacer immédiatement) | Solution basée sur les meilleures pratiques |
| Clearance & Wear | Excessive physical clearance detected between the main shaft and the bushing bore. | Remplacez le Douille excentrique to restore proper operational tolerances and prevent shaft wobbling. |
| Notation des surfaces | Rayures profondes, écaillage, or heavy scoring marks on the inner bronze surface. | Swap the bushing. Check your oil filtration system immediately, as this indicates fine dust or metal contamination. |
| Oil Pressure Drops | Unexplained low oil pressure or rapid fluid overheating during standard crushing operations. | Inspect the bearing interface. Worn bushings fail to hold the protective oil film, causing friction and heat. Replace if worn. |
Explore More Crusher Drive & Wear Components
To maintain peak aggregate throughput, assurez-vous que votre inventaire de maintenance est approvisionné avec des produits entièrement compatibles, premium spare parts. Parcourez nos catégories de composants spécifiques:
Trouvez des produits usinés avec précision Countershaft Pinions et Main Shafts pour les reconstructions complètes de la série HP.
Découvrez nos pièces de rechange robustes pour Sandvik CH & Concasseurs série CS.
Afficher le remplacement haute performance Assemblages excentriques et Drive Gears pour concasseurs à cône Metso série HP.
