Description
What is a Cone Crusher Step Plate Assembly?
Un concasseur à cône Step Plate Assembly est un point critique, heavy-duty thrust bearing mechanism positioned at the base of the main shaft. Its primary critical function is to support the massive vertical weight of the main shaft and crushing head while providing a durable, low-friction rotational interface during high-tonnage aggregate and mining operations. By absorbing extreme downward thrust forces and maintaining precise vertical alignment, une prime Step Plate Assembly ensures smooth closed-side setting (CSS) adjustments and protects internal drive and hydroset components from catastrophic friction damage.
Compatibilité des équipements & Référence croisée OEM
Notre remplacement après-vente Step Plate Assembly components and individual sub-parts are precision-engineered to be direct-fit upgrades for Sandvik crushers, réduisant considérablement votre coût total de possession (Coût total de possession) tout en garantissant zéro problème de compatibilité et une disponibilité maximale sur le terrain.
Specification of Step Plate Assembly For Sandvik CH H CS S Series Cone Crusher
Nom du produit: Step Plate Assembly
Catégories: Pièce de rechange pour concasseur à cône > Step Plate Assembly
Demande pour Sandvik CH / CS / H / Concasseur à cône série S
Produit inclus: Main Shaft Step Plate, Step Washer, Piston Wearing Plate
Liste des numéros de pièces
| Modèle | Numéro de pièce | Description |
|---|---|---|
| CH430/CS430 | 442.7895 | Main shaft step plate |
| CH430/CS430 | 442.7894 | Step washer |
| CH430/CS430 | 442.7893 | Piston wearing plate |
| CH440/CS440 | 442.7120-01 | Main Shaft Step Plate |
| CH440/CS440 | 442.7121 | Step washer |
| CH440/CS440 | 442.7122 | Piston wearing plate |
| CH660/CS660 | 442.8732-01 | Main Shaft Step Plate |
| CH660/CS660 | 442.8731-01 | Step washer |
| CH660/CS660 | 442.8730-01 | Piston wearing plate |
| CH870 | 452.0507-001 452.2630 N11852092 | Main Shaft Step Plate |
| CH870 | 452.0537-01 | Step washer |
| CH870 | 452.0538-01 | Piston wearing plate |
| CH880 | 442.9723-01 | Main Shaft Step Plate |
| CH880 | 442.9722-01 | Step washer |
| CH880 | 442.9724-01 N11851673 | Piston wearing plate |
| CH890/CH895 | 442.9723-01 | Main Shaft Step Plate |
| CH890/CH895 | 442.9722-01 | Step washer |
| CH890/CH895 | Piston wearing plate |
Main Parts of Step Plate Assembly
1. Main Shaft Step Plate
The Main Shaft Step Plate sits at the bottom of the main shaft. It provides a stable base for the shaft to rotate. This plate takes heavy loads from crushing rocks. A strong step plate prevents misalignment and reduces wear. Fintyun uses hardened steel for long-lasting durability.
2. Step Washer
The Step Washer fits between the step plate and the piston. It helps reduce friction and wear. The washer also acts as a spacer, keeping parts aligned. Without a proper step washer, metal parts could grind and fail. Fintyun washers are precision-machined for a perfect fit.
3. Piston Wearing Plate
The Piston Wearing Plate protects the piston from damage. It absorbs impact and reduces metal-to-metal contact. Over time, this plate wears down and needs replacement. Fintyun makes tough wearing plates to extend crusher life.
Ingénierie de base & Avantages techniques
Because the lower thrust mechanism handles continuous vertical loads and extreme hydraulic pressure spikes during choke-feeding, standard components can quickly gall or deform. Notre prime Step Plate Assembly les remplacements sont fièrement fabriqués en Chine pour offrir une durabilité inégalée:
Module d'accueil complet: Every assembly integrates the hardened main shaft step plate, precision step washer, and durable piston wearing plate, appariés et testés en usine pour une installation immédiate sur site.
Premium Bronze & Alloy Formulations: Cast from specialized high-grade alloys and hardened steel to deliver exceptional self-lubricating properties and high-load wear resistance.
Usinage CNC de précision: Machined to exact OEM dimensional tolerances and flatness specifications, ensuring perfect mating surfaces that evenly distribute massive vertical thrust loads.
Canaux de lubrification optimisés: Engineered to maintain continuous, even distribution of cooling hydraulic oil across the entire high-friction bearing interface, prévenir les pannes thermiques.
Directives d'entretien: When to Replace Your Step Plate Assembly
Operating a crusher with a severely worn step plate assembly will compromise vertical alignment, alter the eccentric gear mesh, and risk severe shaft scoring. Nous vous recommandons d'inspecter le Step Plate Assembly components during routine lower mainframe maintenance:
| Objectif de l'inspection | Panneaux d'avertissement (Remplacer immédiatement) | Solution basée sur les meilleures pratiques |
| Thickness & Clearance Wear | Component thickness has worn down beyond OEM minimum tolerances, causing the main shaft assembly to sit too low. | Remplacez le usé Main Shaft Step Plate or the complete assembly module to restore proper vertical alignment and CSS control. |
| Notation des surfaces & Exaspérant | Rayures profondes, écaillage, or metal smearing observed on the step washer or wearing plate bearing surfaces. | Swap the ruined plates immediately. Inspect the lubrication system for blocked oil filters or silica dust contamination. |
| Uneven Wear Patterns | The components exhibit heavily one-sided wear rather than a uniform flat reduction. | Replace the assembly and thoroughly inspect the hydroset piston and cylinder bushing for underlying alignment issues. |
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