Descripción
What is a Cone Crusher Main Shaft Assembly?
Una trituradora de cono Conjunto del eje principal is the central structural axis of the machine. Its primary critical function is to support the moving crushing head, transmit rotational torque, and maintain precise operating geometry under extreme crushing forces. By anchoring the head and enduring massive multi-directional impact loads during high-tonnage aggregate production, una prima Conjunto del eje principal ensures stable closed-side setting (CSS) performance and protects internal drive and hydroset components from catastrophic failure.
Compatibilidad del equipo & Referencia cruzada OEM
Nuestro reemplazo del mercado de accesorios Conjunto del eje principal components and individual sub-parts are precision-engineered to be direct-fit upgrades for Sandvik crushers, reduciendo significativamente su costo total de propiedad (costo total de propiedad) al mismo tiempo que se garantiza cero problemas de compatibilidad y el máximo tiempo de actividad en el campo.
Specification of Main Shaft Assembly
Nombre del producto: Conjunto del eje principal / Conjunto del eje principal
Categorías: Pieza de recambio > Para trituradora de cono Sandvik > Conjunto del eje principal
Piezas incluidas: Eje principal, Manga del eje principal, Tuerca de cabeza interior, Tuerca de cabeza con anillo de combustión, Anillo cóncavo, Centro principal, Anillo de sello de polvo, Retenedor del sello antipolvo
Modelos aplicables:
CH420, CH430, CH440, CH660, CH870, CH880, CH890, Trituradora Sandvik CH895
CS420, CS430, CS440, Trituradora Sandvik CS660
H2800, H3800, H4800, H6800, H7800, Trituradora Sandvik H8800
S2800, S3800, HS800, Trituradora HS800 Sandvik
Part Number List
| Modelo | Número de pieza | Descripción |
|---|---|---|
| CH430/CS430 | 442.8313-902 | Main Shaft Assy |
| CH430/CS430 | 442.7902-01 | Eje principal |
| CH430/CS430 | 442.7913-01 | Main shaft sleeve |
| CH430/CS430 | 442.7895-01 | Main Shaft Step Plate |
| CH430/CS430 | 442.7918-01 | Tuerca de cabeza interior |
| CH430/CS430 | 442.7912-00 | Tuerca de cabeza con anillo de combustión |
| CH430/CS430 | 442.7910-01 | Centro principal |
| CH430/CS430 | 442.8017-01 | Anillo de sello de polvo |
| CH430/CS430 | 442.8020-01 | Retenedor del sello antipolvo |
| CH440/CS440 | 442.7259-00 | Main Shaft Assy |
| CH440/CS440 | 442.7100-01 | Eje principal |
| CH440/CS440 | 442.7117-01 | Main shaft sleeve |
| CH440/CS440 | 442.7120-01 | Main Shaft Step Plate |
| CH440/CS440 | 442.8333-01 | Tuerca de cabeza interior |
| CH440/CS440 | 442.7105-01 | Tuerca de cabeza con anillo de combustión |
| CH440/CS440 | 442.8332-01 | Centro principal |
| CH440/CS440 | 442.7102-01 | Anillo de sello de polvo |
| CH440/CS440 | 442.7103-01 | Retenedor del sello antipolvo |
| CH660/CS660 | 452.4222-901 | Main Shaft Assy |
| CH660/CS660 | 442.8767-01 | Eje principal |
| CH660/CS660 | 442.8792-01 | Main shaft sleeve |
| CH660/CS660 | 442.8732-01 | Main Shaft Step Plate |
| CH660/CS660 | 442.8791-01 | Tuerca de cabeza interior |
| CH660/CS660 | 442.8800-01 | Tuerca de cabeza con anillo de combustión |
| CH660/CS660 | 442.8763-01 452.4311-001 | Centro principal |
| CH660/CS660 | 442.8802-01 | Anillo de sello de polvo |
| CH660/CS660 | 442.8801-01 | Retenedor del sello antipolvo |
| CH870 | BG00568048 | Main Shaft Assy |
| CH870 | 452.0918-001 452.5504 | Eje principal |
| CH870 | 452.0505-001 N11852091 | Main shaft sleeve |
| CH870 | 452.0507-001 452.2630 N11852092 | Main Shaft Step Plate |
| CH870 | 452.0930-001 N11852064 | Tuerca de cabeza interior |
| CH870 | 452.0936-901 N11852063 | Tuerca de cabeza con anillo de combustión |
| CH870 | 452.0919-001 452.5504 | Centro principal |
| CH870 | 452.0924-001 BG00663892 | Anillo de sello de polvo |
| CH870 | 452.0921-001 N11852093 | Retenedor del sello antipolvo |
| CH880 | 452.4291-901 | Main Shaft Assy |
| CH880 | 899.0336-00 | Eje principal |
| CH880 | 442.9294-01 | Main shaft sleeve |
| CH880 | 442.9723-01 | Main Shaft Step Plate |
| CH880 | 899.0244-00 442.9269-01 | Tuerca de cabeza interior |
| CH880 | 442.9270-00 | Tuerca de cabeza con anillo de combustión |
| CH880 | 452.0320-01 | Centro principal |
| CH880 | 442.9271-01 | Anillo de sello de polvo |
| CH880 | 442.9272-01 | Retenedor del sello antipolvo |
| CH890/CH895 | 452.6419-901 BG00505358 | Main Shaft Assy |
| CH890/CH895 | 452.6421-901 | Eje principal |
| CH890/CH895 | 442.9294-01 | Main shaft sleeve |
| CH890/CH895 | 442.9723-01 | Main Shaft Step Plate |
| CH890/CH895 | 899.0244-00 442.9269-01 N11851563 | Tuerca de cabeza interior |
| CH890/CH895 | 442.9270-00 442.9270-01 | Tuerca de cabeza con anillo de combustión |
| CH890/CH895 | 452.6424 | Centro principal |
| CH890/CH895 | 452.6048-001 | Anillo de sello de polvo |
| CH890/CH895 | 452.6045-001 | Retenedor del sello antipolvo |
Ingeniería central & Ventajas técnicas
Because the main shaft handles continuous, brutal mechanical stresses and heavy kinetic shocks during mineral reduction, standard shafts are prone to bending or metal fatigue. Nuestra prima Conjunto del eje principal Los reemplazos se fabrican con orgullo en China para ofrecer una durabilidad inigualable para trabajos pesados.:
Módulo completo sin cita previa: Every assembly integrates the main shaft, shaft sleeve, step plate, inner head nut, head center, and dust seal components, Emparejados en fábrica y probados para instalación inmediata en el sitio..
High-Strength Forged Steel: Forged from premium alloy steel (such as 42CrMo) to deliver exceptional tensile strength and torsional rigidity, preventing the shaft from flexing or snapping under heavy loads.
Mecanizado CNC de precisión: Diarios de rodamientos, sleeves, and threading interfaces are machined to exact microscopic tolerances, ensuring a flawless, zero-vibration fit for mating components.
Advanced Heat Treatment: Undergoes specialized quenching and tempering processes to maximize core structural toughness while providing a hardened exterior surface that resists abrasive wear and fretting.
Pautas de mantenimiento: When to Replace Your Main Shaft Assembly
Operating a crusher with a bent, deeply scored, or fatigued main shaft will rapidly destroy your internal bushings and lead to catastrophic gear failure. Recomendamos inspeccionar minuciosamente el Conjunto del eje principal during major drive train overhauls:
| Enfoque de inspección | Señales de advertencia (Reemplazar inmediatamente) | Solución de mejores prácticas |
| Shaft Runout & Bending | Dial indicator measurements show the main shaft is bent or warped beyond acceptable OEM maximum tolerances. | Replace immediately. A bent shaft will generate immense structural vibration, rapidly destroying surrounding bronze bushings and gears. |
| Bearing & Sleeve Journal Wear | Deep scoring, fretting, or a measurable reduction in diameter on the shaft areas where sleeves and bearings seat. | Replace the worn Manga del eje principal or the complete assembly module to restore proper clearance tolerances. |
| Thread Profile Damage | Thread clearance exceeds acceptable tolerances or shows visible stripping on the upper mounting zones. | Pull the damaged assembly component and replace it to prevent in-operation loosening of the head components. |
Explore More Crusher Main Shaft 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:
Encuentre mecanizados de precisión Tuerca de cabeza interior para trituradora de cono Sandvik and Main Shaft Assemblies for complete Sandvik rebuilds.
Explore nuestros robustos repuestos de posventa para Sandvik CH & Trituradoras serie CS.
Ver reemplazo de alto rendimiento Rodamientos de rodillos esféricos y Step Plate Assemblies for Sandvik cone crushers.
