1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

Are your gold processing operations constrained by inefficient ore liberation and inconsistent throughput? Key challenges in primary grinding and comminution often include:

Coût opérationnel élevé: Excessive energy consumption per ton of ore milled, coupled with frequent liner and grinding media replacement, érode directement les marges bénéficiaires.
Temps d'arrêt imprévus: Mechanical failures in drive systems or bearing assemblies halt entire processing lines, coûtant des milliers de dollars par heure en perte de production.
Taille de mouture incohérente: Poor control over particle size distribution from the stamp mill can lead to suboptimal gold recovery in downstream cyanidation or gravity circuits, leaving value in the tailings.
Intensité du travail & Sécurité: Reliance on manual monitoring and adjustment of traditional stamp mills increases labor costs and exposure to hazardous moving parts.

Votre exploitation recherche-t-elle une solution robuste, costeffective primary crushing and grinding solution that delivers consistent performance, réduit le coût total de possession, and maximizes gold liberation for recovery?

2. APERÇU DU PRODUIT

The modern China Stamp Mill for Gold Mining is a mechanized milling machine designed for the primary crushing and coarse grinding of goldbearing quartz ore. It functions as a reliable workhorse in small to mediumscale operations and remote locations, often serving as a critical first step in mineral liberation.

Flux de travail opérationnel:
1. Présentation du flux: Runofmine (ROM) ore is fed into a sturdy feed hopper, typically designed to handle lump sizes up to a specified maximum.
2. Percussions mécaniques: Powered by an electric motor or diesel engine via a crankshaft and cam arrangement, heavy cast iron or steel stamps (chaussures) are lifted and dropped in a cyclical motion.
3. Ore Pulverization: The falling stamps impact the ore placed upon a fixed anvil (mourir), fracturing the quartz matrix to release encapsulated gold particles.
4. Formation de boue & Décharge: Water is introduced during milling to create a slurry, which flows over an integrated screen or grate, allowing sufficiently ground material to pass through for further processing.

Champ d'application & Limites:
Portée: Ideal for hard rock gold ore processing, particularly in regions with limited infrastructure. Suited for pilot plants, exploitation minière artisanale et à petite échelle (ASM) projets de formalisation, and secondary milling applications.
Limites: Not designed for ultrafine grinding required for refractory ores. Throughput is generally lower than highspeed ball mills or vertical roller mills. Optimal performance requires regular mechanical maintenance of moving parts.

3. CARACTÉRISTIQUES PRINCIPALES

HeavyDuty Cast Iron Stamps | Base technique: Highdensity cast iron construction with reinforced heads | Avantage opérationnel: Delivers maximum impact force per drop for effective fracture of quartz veins; withstands repeated impact with minimal deformation | Impact sur le retour sur investissement: Extended service life reduces media replacement frequency and associated downtime costs by up to 30% compared to inferior alloys.

Matrice modulaire & Screen System | Base technique: Interchangeable hardened steel die blocks and screen plates | Avantage opérationnel: Allows operators to quickly change target grind size or replace worn components without specialized tools | Impact sur le retour sur investissement: Minimizes changeover time from hours to minutes, augmentation de la disponibilité des plantes.

GearDriven Camshaft Assembly | Base technique: Enclosed gearbox driving a solid steel camshaft | Avantage opérationnel: Provides consistent liftanddrop motion with higher torque transmission efficiency than beltdriven systems; sealed from dust and slurry | Impact sur le retour sur investissement: Les données de terrain montrent un 1520% reduction in power consumption and higher mechanical reliability under continuous load.

Système de lubrification centralisé à la graisse | Base technique: Manifold with feed lines to all major bearing points | Avantage opérationnel: Ensures critical bearings receive adequate lubrication on scheduled intervals, reducing friction and heat generation | Impact sur le retour sur investissement: Directly prevents costly bearing seizure failures, extending major overhaul cycles.

Cadre structurel renforcé | Base technique: Fabricated from heavysection steel channels with crossbracing | Avantage opérationnel: Absorbs operational vibration and dynamic loads, ensuring longterm alignment stability of the stamp mechanism | Impact sur le retour sur investissement: Protects capital investment by preventing frame fatigue cracks that compromise entire unit integrity.

Plateau de gestion du lisier intégré | Base technique: Corrosionresistant steel trough surrounding the die area | Avantage opérationnel: Efficiently channels pulp toward discharge outlet, preventing spillage and material buildup around the mill base | Avantage opérationnel: Improves working area safety and reduces material loss.

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (Anciennes usines de timbres) | Our China Stamp Mill Solution | Avantage (% Amélioration) |
| : | : | : | : |
| Efficacité énergétique (kWh/tonne) ~510 HP Stamp| Écart élevé; souvent > 8 kWh/tonne| Entraînement par engrenages optimisé & balanced stamps = 2,000 heures| ~66% Increase |
| Cohérence de la mouture (% within target size fraction)| +/ 15% due to wear/wobble| Modular die system & stable frame = +/ 8% variance| ~47 % d'amélioration |
| Heures de travail d'entretien annuelles| Estimé 150200 heures/an| Centralized lube system & modular parts = < 100 heures/an| ~50% de réduction |

5. SPÉCIFICATIONS TECHNIQUES

Gamme de modèles & Capacité: Available in 1stamp (0.50.8 DPT), 3timbre (1.52.5 DPT), and 5stamp (35 DPT) configurations under continuous operation.
Exigences d'alimentation: Options entraînées par un moteur électrique à partir de 7.5 kW (10 HP) à 30 kW (40 HP). Diesel engine drive options available for offgrid applications.
Spécifications matérielles: Stamps made from ASTM A48 Class 40 Fonte; Surfaces d'usure (die/screen) from highcarbon steel; Main frame from Q235B structural steel.
Dimensions physiques (Typical 3Stamp Mill): Empreinte environ. 2.2m L x 1.8m W x 2m H; Poids environ. 4,500 kilos.
Plage de fonctionnement environnementale: Conçu pour des températures ambiantes de 10°C à +45°C; Dust and water splash protection standard on bearings.

6. SCÉNARIOS D'APPLICATION

SmallScale Hard Rock Mine Consolidation | Défi: A cooperative of artisanal miners was using disparate, manuallyoperated hammer mills leading to poor recovery (78%, reduced operating costs by centralizing power supply/maintenance, and established a safer, more controllable production environment.

Usine pilote & Opération d’échantillonnage en vrac | Défi: An exploration company needed reliable onsite coarse crushing/grinding for bulk samples from multiple prospects without the capital expense of larger milling circuits.| Solution: Deployment of a mobile skidmounted single stamp mill unit powered by a diesel generator.| Résultats: Permet un traitement rapide des plus 500 tons of bulk sample material across three sites with minimal setup time provided clear metallurgical data at low operational cost per site

7 CONSIDÉRATIONS COMMERCIALES

Niveaux de tarification des équipements: Pricing is structured based on stamp quantity/drive configuration:
Base Model SingleStamp Mill
Standard ThreeStamp Mill
HeavyDuty FiveStamp Mill
Custom SkidMounted / Unités mobiles
Fonctionnalités facultatives: Intégration du groupe motopropulseur diesel; Spare parts kits; Wear part packages; Advanced slurry discharge screens; Sounddamping enclosures.
Forfaits de services: Les offres à plusieurs niveaux incluent la garantie de base , Plan de service étendu , Supervision de l'installation sur site , Programmes de formation des opérateurs .
Options de financement: Equipment financing can be arranged through partner institutions . Leasetoown structures are available subject to credit approval .

8 FAQ

Q1 What is the typical feed size requirement for your stamp mill?
The mill is designed for runofmine ore ideally reduced to 50mm lumps via primary jaw crushing . Oversize feed significantly accelerates wear .

Q2 Can this equipment be integrated into an existing CIP/CIL plant circuit?
Oui . The stamp mill serves as an effective primary grinder . Its discharge slurry can be fed directly into a secondary ball mill or classification system ahead of leaching tanks .

Q3 Quels sont les délais de livraison?
Standard model lead times range depending on configuration . We maintain inventory for common models .

Q4 What technical support is provided after purchase?
Support includes detailed installation manuals wiring diagrams video guides access via email phone Parts lists are provided digitally

Q5 Are your mills compliant with international machinery safety standards?
Our manufacturing follows core safety principles including guarded moving parts emergency stop provisions stable base design However final sitespecific guarding compliance remains responsibility

Q6 How does pricing compare relative sourcing other regions?
By leveraging mature supply chains efficient manufacturing we offer total cost ownership advantage including shipping duties without compromising material quality key components

Q7 What key spare parts should we plan keep stock?
We recommend holding spares based annual consumption including stamp shoes die blocks screen plates specific bearing sets This minimizes potential downtime waiting international shipments