1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Are you facing persistent bottlenecks in your gold ore processing circuit? Taille d'alimentation incohérente, usure excessive de la doublure, and unplanned maintenance stops directly erode profitability. Each hour of crusher downtime can cost thousands in lost production, while inefficient crushing increases energy consumption per ton and compromises downstream recovery rates.

Is abrasive gold ore prematurely wearing out your crushing components, leading to frequent changeouts and high spare parts inventory?
Are you struggling with capacity limitations or product fineness that hinders optimal liberation for your leaching or gravity circuits?
Do vibration and shock loads from hard rock or sulfide ores threaten the structural integrity and bearing life of your equipment?

Addressing these challenges requires a robust, engineered approach to primary comminution. La bonne solution de concassage primaire ne consiste pas seulement à casser de la roche; it's about creating a stable, efficient foundation for your entire mineral processing operation.

2. APERÇU DU PRODUIT: CONCASSEUR À MÂCHOIRE PRIMAIRE POUR LE TRAITEMENT DU MINERAI D'OR

Cette gamme de produits englobe les poids lourds, stationary and modular primary jaw crushers engineered specifically for the rigorous demands of gold ore processing. Ces machines sont conçues pour accepter les runofmine (ROM) feed material with high compressive strength and abrasiveness, typical of quartz veins, sulfide ores, and hard rock deposits.

Flux de travail opérationnel:
1. Acceptation des aliments: Minerai d'or ROM (généralement jusqu'à 80% de la béance du concasseur) est chargé dans la mangeoire vibrante pour grizzlis (VGFF VGF), qui scalpe les matériaux fins pour contourner le broyeur.
2. Réduction primaire: Les matériaux surdimensionnés sont dirigés vers la chambre de concassage, where a reciprocating manganese steel jaw exerts immense pressure against a stationary jaw, fracturing the ore via compressive force.
3. Décharge & Transport: The crushed product (now reduced to a predefined discharge setting) exits the chamber and is conveyed to the next stage of processing, such as secondary crushing or SAG mill feed.

Champ d'application: Idéal pour les tonnages élevés, hard rock gold mining operations as the first stage of size reduction. Effective on lode ore, matériau veineux, and oxidized deposits.
Limites: Ne convient pas aux sols mouillés, sticky clayrich ores without prior scrubbing. Maximum reduction ratio typically limits product size to >100mm for subsequent processing stages.

3. CARACTÉRISTIQUES PRINCIPALES

Cadre robuste & Soulagement du stress soudé | Base technique: Analyse par éléments finis (FEA) conception optimisée avec traitement thermique post-soudage | Avantage opérationnel: Eliminates stress points and prevents frame cracking under cyclical loading from hard rock ores | Impact sur le retour sur investissement: Durée de vie structurelle prolongée au-delà 20+ années sous service sévère, éliminant le risque de défaillance catastrophique du châssis.

Géométrie optimisée de la chambre de concassage | Base technique: Deep symmetrical chamber design with aggressive nip angle | Avantage opérationnel: Promotes interparticle crushing for higher throughput and produces a more consistent product curve with fewer slabby fragments | Impact sur le retour sur investissement: Augmente le débit de 515% over conventional designs for the same installed power; improves downstream grinding circuit efficiency.

Bascule hydraulique & Système de réglage | Base technique: Les vérins hydrauliques à double effet remplacent les plaques à bascule mécaniques traditionnelles | Avantage opérationnel: Allows remote adjustment of the closedside setting (CSS) for quick product size changes and provides automatic tramp iron release to protect internal components | Impact sur le retour sur investissement: Reduces downtime for CSS changes from hours to minutes; prevents costly damage from uncrushables like drill bits or bucket teeth.

Premium Manganese Jaw Dies | Base technique: Isotropic manganese steel alloy with proprietary hardening process | Avantage opérationnel: Provides extended service life in highly abrasive gold ore applications; reversible design allows use of both tooth profiles | Impact sur le retour sur investissement: Réduit la fréquence de changement de doublure de 2030%, lowering labor costs and spare parts expenditure per ton crushed.

Base moteur intégrée & Garde-ceinture | Base technique: Conception de plaque de base unifiée avec protection conforme à l'OSHA | Avantage opérationnel: Simplifie l'alignement de l'installation, réduit l'empreinte, and ensures operator safety with minimal onsite fabrication required | Impact sur le retour sur investissement: Réduit le temps et les coûts d'installation jusqu'à 25%; ensures compliance and reduces site risk.

Point de graissage centralisé & Sceaux du labyrinthe | Base technique: Automated lubrication system routing with multistage sealing at bearing housings | Avantage opérationnel: Ensures consistent bearing lubrication critical for highvibration environments; excludes dust and moisture ingress | Impact sur le retour sur investissement: Maximizes bearing service life (>20,000 heures MTBF), preventing unplanned stops due to lubrication failure.

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Moyenne standard de l’industrie | Cette solution de concasseur à mâchoires primaire | Avantage (% Amélioration) |
| : | : | : | : |
| Disponibilité / Temps de disponibilité | 9092% (y compris la maintenance planifiée) |> 94% disponibilité documentée| +24% heures plus productives par an |
| Durée de vie du manganèse (Minerai abrasif) | ~120,000 metric tons crushed per set |> 150,000 metric tons crushed per set| +25% durée de vie plus longue |
| Consommation d'énergie spécifique (kWh/tonne) Référence = X kWh/t| X kWh/tonne |> Optimized kinematics reduce consumption by ~8%| 8% coût énergétique inférieur par tonne |
| Temps de récupération du fer clochard / Autorisation| Suppression manuelle; jusqu'à 48 heures d'arrêt |> Hydraulic release clears chamber in <10 minutes|< 95% downtime reduction for uncrushables |

5. SPÉCIFICATIONS TECHNIQUES

Plage de capacité: 500 – 2,500 tonnes métriques par heure (en fonction de la densité de la matière première & crushability index).
Ouverture d'alimentation: From 1,070mm x 760mm (42” x 30”) up to 1,500mm x 1,200mm (59"x 47").
Exigence de puissance: Entraînement par moteur électrique de 110 kW jusqu'à 375 kW.
Spécifications matérielles: Châssis principal fabriqué à partir de tôle d'acier de haute qualité; jaw dies manufactured from premium ISO/GBT Manganese Steel (14%,18%,22%); Shaft forged from hightensile alloy steel.
Dimensions physiques (Exemple de modèle): Environ. Longueur: ~7m; Largeur:~3,5 m; Hauteur:~4m (hors chargeur & convoyeur de déchargement).
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 25°C à +45°C. Compatible avec le système de suppression de poussière. Bearing specifications ensure reliable operation at altitudes up to 3,000 mètres au-dessus du niveau de la mer.

6. SCÉNARIOS D'APPLICATION

Application du portail de la mine souterraine Hard Rock

Challenge A midtier underground gold mine needed a reliable primary crusher stationed at the portal to handle ROM ore from multiple veins with varying hardness (UCS ranging from 150250 MPa). Les contraintes d'espace étaient sévères,and maintenance access was limited.
Solution Installation of a modular primary jaw crusher skid complete with integrated feeder,moteur,and walkways.The hydraulic toggle system was specified for quick clearing of occasional oversize bolting from underground development.
Results The compact footprint fit the designated area.Field data shows an average availability of95.2% over18 months.The hydraulic clearing system recovered three tramp events without injury or major downtime,saving an estimated120 hours of lost production annually versus previous methods.

HighAbrasion Oxide Ore Processing Plant

Challenge An openpit operation processing highly abrasive silicified oxide ore experienced excessive wear on their existing crusher’s jaw dies,due every10 weeks.This caused inconsistent feed size to the heap leach padsand high operational costs.
Solution Retrofit with a primary jaw crusher featuring optimized chamber geometryand premium isotropic manganese jaws.The geometry promoted better nipand reduced sliding wear.
Results Wear part life extendedto14 weeks between changes,a40% improvement.Product curve analysis showeda15% reduction in oversize (+125mm)fragments,facilitating more uniform leaching kinetics.Spare parts inventory costs were reduced proportionally.

7.CONSIDÉRATIONS COMMERCIALES

Equipment pricing is structured accordingto capacity ratingand customization level:
Niveau standard: Highvolume production modelswith fixed specifications offerthe most competitive capital costfor defined applications.
Configured Tier: Includes selected options suchas specific motor brands,entraînements à fréquence variable(VFD),or automated grease systems.Pricingis projectspecific.
Full Modular/SkidMounted Tier: Complete plugandplay modules including feeder,trémie de surtension,broyeur,démarreur de moteur,and walkways.Commandsa premiumbut drastically reduces onsite construction timeand cost.

Les fonctionnalités optionnelles incluent:
Kits d'encapsulation de poussière
Rockmonstertype belt guards
Capteurs avancés de surveillance d’état(vibration,température)
Custom discharge conveyor interfaces

Forfaits de services disponibles:
1.Garantie de base:Covers partsand laborfor12 months/2，000heures d'ouverture.
2.Accord de performance prolongé:Predictable cost coveragefor wear parts(doublures)basedon $/ton crushedovera24or36month term.
3.Contrat de maintenance à service complet:Covers all scheduled maintenance,inspections,and repairsby factorytrained technicians.

Financing Options include capital lease，location simple，or rentaltoown structures through partnered financial institutions，tailoredto match project cash flow timelines。

8.FAQ

Q:What isthe maximum recommended feed sizefor thisprimary jaw crusher?
UN:The maximum feed sizefor efficient operationshould not exceed80%of thecrusher'sgape opening dimension.For example,a modelwitha1，200mm gapecan efficiently processROM bouldersup t0~960mm in width。

Q：How doesthe hydraulic toggle systemimpact normaloperation when not clearing tramp iron？
UN：During normal crushing,the hydraulic cylinders are chargedtoa constant pressure，functioning identicallytoa mechanical toggle plate.They provide therequired clamping forcewithout affecting performance。

Q：Are thesecrushers compatiblewithexistingplatesupply chains？
UN：Oui。While we recommendour premium linersfor optimal performance，the dimensional drawingsof our jaw diesare made available。Many thirdparty foundriescan produce compatible parts，though performance warranties apply onlytogenuine components。

Q：What foundations arerequired？
UN：Detailed foundation drawingsare provided witheach order。Generally,a substantial reinforced concrete massis requiredto absorb dynamic loads。Our engineering teamcan review sitespecific geotechnical reportsupon request。

Q：Can thisequipment be integratedintoan automatedprocess control system？
UN：Oui。Thecrusher can be fittedwith standard420mA outputsfor parameterslike CSS(viainternal measurement)，température du roulement,and vibration levels。It can be controlledremotelyvia PLC/DCS systems。

Q：What arethe lead timesfor delivery？
UN：Pour les modèles standards，lead times typically range from20t030 weeksfrom order confirmation，dependingon global manufacturing capacity。Modular skid versions may require additional time。Expedited optionsmay be available。

Q：Do you offersite supervisionfor installationand commissioning？
UN：Oui。We strongly recommendat minimum our basic commissioning package，which includesa factory engineeronsitefor mechanical alignment，initial startup，et formation des opérateurs。This ensures optimal performancefrom day oneand validates warranty terms