Descripción
What is a Cone Crusher Bottom Shell Bushing?
Una trituradora de cono Bottom Shell Bushing (also known as a bottomshell bush) is a heavy-duty, precision-machined bronze sleeve positioned securely at the base of the main lower housing. Its primary critical function is to provide stable rotational support for the lower eccentric assembly while minimizing friction, absorbing intense multi-directional shock loads, and protecting structural housing bores from premature wear. By maintaining exact alignment under brutal crushing forces, una prima Bottom Shell Bushing ensures smooth gyratory motion, stable power transmission, and maximum field uptime during high-tonnage aggregate and mining operations.
Compatibilidad del equipo & Referencia cruzada OEM
Nuestro reemplazo del mercado de accesorios Bottom Shell Bushing components are precision-engineered to be direct-fit upgrades for Sandvik crushers, reduciendo significativamente su costo total de propiedad (costo total de propiedad) al tiempo que garantiza cero problemas de compatibilidad y el máximo rendimiento en el campo.
| Marcas admitidas | Serie de trituradora aplicable | Números de pieza OEM comunes |
| Sandvik | Trituradoras de cono estacionarias: Serie CH: CH420, CH430, CH440, CH660, CH830, CH860, CH870, CH890, CH895 Serie CS: CS420, CS430, CS440, CS660 Serie H: H2800, H3800, H4800, H6800, H7800, H8800 Serie S: S2800, S3800, S4800, S6800 Serie móvil: UD221, QH332, UH320E, UH311, UH316, QH441, UH440i, UH440E, UH412, UH312, Reino Unido373, UH373, UH640E, QS332, US316, US373, US440i, US440E, US640E | 442.7935, 442.7146, 442.8742, 452.0795, 442.9248 (Coincide con las especificaciones estándar OEM) |
Ingeniería central & Ventajas técnicas
Because the lower frame housing handles continuous high-speed rotation and extreme thermal stress, standard bronze bushings can suffer from scoring or premature clearance fatigue. Nuestra prima Bottom Shell Bushing Los reemplazos se fabrican con orgullo en China para ofrecer una durabilidad inigualable para trabajos pesados.:
High-Grade Centrifugal Bronze Castings: Poured from premium-grade bronze alloys (such as CuSn10P1 or custom high-strength phosphor bronze) engineered to provide exceptional self-lubricating properties and high-load wear resistance.
Mecanizado CNC de precisión: Inner and outer diameters are machined to exact microscopic tolerances, ensuring a tight, vibration-free press-fit inside the bottom shell housing and smooth running clearances for the eccentric assembly.
Optimized Lubrication Channels: Engineered with specialized internal oil grooves and distribution pockets to guarantee a continuous, even film of cooling lubricating oil across the entire high-friction interface, preventing thermal breakdown.
Adquisición directa de fábrica: Se suministra directamente desde nuestras instalaciones de fabricación para eliminar los márgenes de intermediarios., ofreciendo una solución de alto retorno de la inversión para operaciones mineras y agregadas globales.
Pautas de mantenimiento: When to Replace Your Bottom Shell Bushing
Operar una trituradora con un desgastado, scored, or excessively loose bushing will cause severe eccentric tilt, destroying gear mesh and risking catastrophic drive train failure. We recommend inspecting the Bottom Shell Bushing during major frame overhauls:
| Enfoque de inspección | Señales de advertencia (Reemplazar inmediatamente) | Solución de mejores prácticas |
| Radial Clearance Wear | Inner diameter clearance exceeds OEM maximum tolerances, leading to observable eccentric wobbling. | Reemplace el Bottom Shell Bushing immediately to restore proper shaft alignment and prevent gear tooth damage. |
| Surface Scoring & Galling | Deep scratches, flaking, or metal smearing observed on the bronze bearing contact surfaces. | Swap the ruined bushing and inspect the lubrication oil filters for trapped silica dust or metal particle contamination. |
| Housing Seating Security | The bushing shows signs of rotational slipping or fretting wear within the bottom shell bore. | Pull and replace the component immediately. Ensure the housing bore is thoroughly cleaned before installing a fresh bushing. |
Explore More Crusher Bottom Shell Components
Para mantener el rendimiento volumétrico máximo de trituración (TPH) y funcionamiento estable, asegúrese de que su inventario de mantenimiento cuente con productos totalmente compatibles, piezas premium. Explore nuestras categorías de componentes específicos:
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