1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

L’augmentation des coûts opérationnels et les temps d’arrêt imprévisibles érodent vos marges de production globales? Pour les directeurs d’usine et les entrepreneurs en ingénierie, the primary crushing stage is often the source of critical bottlenecks. Les défis courants incluent:

Temps d'arrêt imprévus: Frequent liner changes and unexpected mechanical failures halt your entire processing line, coûtant des milliers de dollars par heure en perte de production.
Coûts de maintenance élevés: Excessive wear on crusher components due to improper crushing action or abrasive feed material leads to unsustainable parts replacement cycles.
Sortie incohérente & Forme du produit: Poorly graded aggregate with excessive flaky material fails to meet stringent project specifications, resulting in product rejection or reduced value.
Inefficacité énergétique: Older crushing technology consumes disproportionate power relative to throughput, ayant un impact direct sur vos résultats.
Limites de configuration rigides: Fixed crushers cannot adapt to changing feed sizes or product requirements without significant manual adjustment and time investment.

Is your current primary crushing solution a reliable asset or a constant source of operational risk? The right stone crusher machine is not merely an equipment purchase; it is a strategic decision for longterm site profitability.

2. APERÇU DU PRODUIT: Concasseur à mâchoires primaire

The cornerstone of any hard rock aggregate or mining operation, a modern primary jaw crusher is engineered for firststage reduction of large, runofquarry material. Its robust design accepts feed sizes up to 1 meter and reduces them to a manageable diameter for secondary processing.

Flux de travail opérationnel:
1. Consommation alimentaire: Large dump trucks deposit raw, blasted rock into the vibrating grizzly feeder (VGFF VGF), qui scalpe les matériaux fins et dirige les matériaux surdimensionnés vers le concasseur.
2. Concassage compressif: The VGF conveys material into the fixed jaw chamber, where a reciprocating moving jaw exerts immense compressive force against a stationary jaw plate.
3. Ajustement du paramètre de décharge: The crushed product exits through an adjustable gap at the bottom (le réglage côté fermé), determining the maximum output size.
4. Transfert de matériel: The crushed stone is discharged onto a main conveyor belt for transport to secondary screening and crushing stages.

Champ d'application & Limites:
Portée: Ideal for primary reduction of hard, matériaux abrasifs comme le granit, basalte, and iron ore in quarrying, exploitation minière, et des projets de construction à grande échelle.
Limites: Not suitable for sticky or plastic materials (par ex., minerai riche en argile). Requires a stable foundation and significant capital investment compared to smaller mobile units. Maximum reduction ratio is typically 6:1 à 8:1.

3. CARACTÉRISTIQUES PRINCIPALES

Chambre de concassage profonde & Cinématique optimisée | Base technique: Increased nip angle and longer vertical jaw travel | Avantage opérationnel: Enables higher throughput capacity and more aggressive reduction in a single pass | Impact sur le retour sur investissement: Reduces need for prescreening or additional primary crushing stages, lowering CAPEX

Cadre fabriqué robuste | Base technique: Welded steel plate construction with reinforced stress points | Avantage opérationnel: Provides exceptional durability against shock loads from uncrushable material (fer à repasser) | Impact sur le retour sur investissement: Minimise le risque de défaillance catastrophique du cadre, extending machine service life beyond 20 années

Système de réglage à bascule hydraulique | Base technique: Remplace les plaques à bascule mécaniques traditionnelles par des vérins hydrauliques | Avantage opérationnel: Allows remote adjustment of the crusher discharge setting and provides automatic overload protection by releasing under excessive pressure | Impact sur le retour sur investissement: Reduces downtime for setting changes from hours to minutes and prevents damage from uncrushables

WedgeLock Jaw Plate Fastening System | Base technique: Les cales verrouillées mécaniquement sécurisent les plaques de mâchoire sans résine de support | Avantage opérationnel: Permet plus rapidement, safer jaw liner changes with standard tools | Impact sur le retour sur investissement: Réduit jusqu'à 10 % des temps d'arrêt liés au remplacement du revêtement 50%, augmentation des heures de fonctionnement annuelles

Volants à haute inertie | Base technique: Heavy cast flywheels store kinetic energy during the noncrushing half of the cycle | Avantage opérationnel: Lisse les demandes de puissance de pointe, ensuring consistent crushing force and reducing motor strain | Impact sur le retour sur investissement: Lowers energy consumption per ton of crushed material by optimizing motor load

Support moteur intégré & Drive Guard | Base technique: Unified base frame for crusher, moteur, and Vbelt drive guards | Avantage opérationnel: Simplifies installation alignment and provides complete operator safety protection as standard | Impact sur le retour sur investissement: Reduces installation time and cost while ensuring compliance with site safety regulations

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (Moyenne) | Notre solution de concasseur à mâchoires primaire | Avantage (% Amélioration) |
| : | : | : | : |
| Durée de vie du revêtement (Granit abrasif) | 120,000 150,000 tonnes | 180,000 220,000 tonnes | +40% (Extended wear life) |
| Time for CSS Adjustment| 45 60 minutes| 96%| +4 points de pourcentage |
| Niveau de bruit au poste de conduite| ~90 dBA| <85 dBA| Improved worksite compliance |

5. SPÉCIFICATIONS TECHNIQUES

Référence du modèle: JC140
Ouverture d'alimentation: 56” x 40” (1420mm x 1015mm)
Taille maximale d'alimentation: 39» (990mm) longueur du bord
Plage de réglage côté fermé: 4” – 12” (100mm – 300mm)
Plage de capacité (Varie selon CSS & Matériel): 450 – 850 STPH
Exigence de puissance d'entraînement: 250 HP / 185 Moteur électrique kW
Poids total (Concasseur uniquement): 95,000 livres / 43,000 kilos
Spécifications des matériaux clés: Main frame – Highstrength steel plate; Jaw dies – Manganese steel alloy (14%18%); Arbre excentrique – Acier allié forgé; Bearings – Spherical roller bearings.
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 20°C à +45°C (4°F à +113°F). Dust seals are standard.

6. SCÉNARIOS D'APPLICATION

Projet d'agrandissement de la carrière de granit

Défi: A southeastern US quarry needed to increase primary capacity by over 30% but faced space constraints that prevented adding a second parallel line. Their existing crusher could not achieve higher throughput without sacrificing product gradation.
Solution: Implementation of a highcapacity JC140 jaw crusher with an optimized deepchamber design.
Résultats: Le débit a augmenté de 35% while maintaining a consistent minus6inch product. The improved kinematics yielded better particle shape for secondary cone crusher feed.

Centre de recyclage des infrastructures urbaines

Défi: Processing demolished concrete and reinforced asphalt with frequent tramp metal contamination led to weekly downtime events from toggle plate breakage in their old jaw crusher.
Solution: Replacement with a new hydraulic toggleequipped jaw crusher.
Résultats: Automatic release of uncrushable metal eliminated breakerrelated stoppages. Downtime was reduced by an estimated 300 heures par an, allowing the hub to meet tight municipal project deadlines reliably.

7. CONSIDÉRATIONS COMMERCIALES

Our stone crushers are offered in clear pricing tiers based on size and capability:
Série Standard (Up to ~600 TPH): Base configuration with core features outlined above.
Série robuste (600+ TPH): Includes additional reinforcements for extremeduty cycles in mining applications.

Les fonctionnalités optionnelles incluent des systèmes de lubrification automatisés , barres de pulvérisation anti-poussière , various manganese steel profiles for specific applications ,and different motor configurations .

We support your investment with three service packages:
1. Garantie de base & Assistance pièces détachées
2. Planned Maintenance Agreement including annual inspection
3 Comprehensive Lifecycle Support including remote monitoring integration

Financing options include capital lease , location simple ,and loan structures through our partner institutions , typically available for terms of 3660 mois.

8 FAQ

Q What are my foundation requirements for this stone crusher?
A Detailed civil engineering drawings are provided with each machine Our technical team can review your site plans Foundation requirements are significant due to dynamic loads; typical concrete volume exceeds 60 mètres cubes

Q Can this crusher handle recycled concrete aggregate RCA ?
A Yes but we recommend specifying optional extended dust seals We advise removing rebar as much as possible before feeding though our hydraulic toggle provides protection against occasional metal ingress

Q How does the hydraulic toggle system affect maintenance?
A It simplifies maintenance There are no mechanical toggle plates tension rods or springs to adjust or replace Routine maintenance focuses on checking hydraulic fluid levels and cylinder condition

Q What is your lead time from order placement?
A For standard models lead time is typically 1620 weeks Custom configurations may require additional time We provide regular milestone updates throughout the manufacturing process

Q Are training services included?
A Yes we provide comprehensive onsite operator training covering startup procedures daily checks safe operation basic troubleshooting Recommended maintenance schedules are clearly documented