1. PAINPOINT DRIVEN OPENING

Are you facing persistent challenges in your primary crushing and liberation circuit that directly impact your bottom line? For operations relying on traditional comminution methods, common pain points include:
Excessive Downtime: Frequent liner changes and mechanical overhauls halt production for days, costing thousands in lost throughput.
Inconsistent Grind & Recovery: Variable feed size and worn components lead to poor liberation, trapping valuable gold in tailings and reducing overall recovery rates.
High Operational Costs: Skyrocketing energy consumption per ton of ore processed and excessive water usage for slurry handling erode profit margins.
Scalability Limitations: Inflexible systems struggle to adapt to changing ore grades or increased production targets without major capital expenditure.
Maintenance Complexity: Reliance on specialized technicians for routine servicing creates dependency and increases longterm operating expenses.

Is your operation sacrificing reliability and mineral recovery due to outdated crushing and grinding technology? What would a 20% reduction in energy consumption per ton mean for your annual operating budget? It’s time to evaluate a proven, robust solution.

2. PRODUCT OVERVIEW: HeavyDuty Gold Ore Stamp Mill

Our engineered stamp mill is a mechanized, modern interpretation of the classic gravityimpact crushing technology, designed specifically for the reliable coarse crushing and preliminary liberation of goldbearing ores. It serves as a robust primary or secondary crushing unit, particularly effective for quartz vein material where freemilling gold is present.

Operational Workflow:
1. Feed Introduction: Runofmine or primarycrushed ore is fed into a sealed mortar box.
2. GravityPowered Impact: Mechanically lifted heavy stamps (shoes) are released to drop onto the ore bed, delivering consistent, highimpact blows.
3. Particle Reduction & Liberation: The repeated impact fractures the ore along natural grain boundaries, progressively reducing particle size and exposing gold particles.
4. Slurry Discharge & Classification: Crushed material is washed through a discharge screen with a controlled water flow, creating a slurry directed to downstream concentration processes like sluices or shaking tables.

Application Scope & Limitations:
Ideal For: Small to midscale operations, pilot plants, regions with limited grid power, processing freemilling ores, and historical sites where traditional methods are preferred or required.
Limitations: Less efficient on fine grinding versus ball mills. Not optimal for refractory ores requiring ultrafine pulverization or complex chemical leaching as a standalone unit. Performance is dependent on consistent feed sizing.

3. CORE FEATURES

Modular Frame Construction | Technical Basis: Prefabricated hightensile steel sections with machined mounting points | Operational Benefit: Enables rapid onsite assembly, reduces foundation requirements, and allows for future plant reconfiguration | ROI Impact: Cuts installation time by up to 40%, lowering initial labor costs and accelerating timetoproduction.

Precision Camshaft & Lifter Design | Technical Basis: Computeroptimized cam profile ensures synchronized stamp lift and clean release | Operational Benefit: Delivers uniform impact energy across all stamps, maximizing crushing efficiency and reducing component shock loads | ROI Impact: Improves stamp shoe lifespan by an estimated 30% and ensures consistent product sizing for downstream recovery stages.

Interchangeable Discharge Screens | Technical Basis: Hardened steel screens with varied aperture sizes secured in a quickrelease frame | Operational Benefit: Operators can quickly adjust final product size based on realtime ore characteristics or recovery plant requirements | ROI Impact: Minimizes process bottlenecks; field data shows a 15% improvement in throughput when optimally matched to concentration equipment.

Automated Grease Injection System | Technical Basis: Centralized lubrication manifold servicing all major bearing points on a timed cycle | Operational Benefit: Eliminates manual lubrication points, ensuring critical components are protected from abrasive dust ingress | ROI Impact: Reduces bearing failure rates by over 60%, directly preventing unplanned downtime events.

WaterRecirculation Preparedness | Technical Basis: Integrated slurry sump and pump mountings designed for closedloop system integration | Operational Benefit: Drastically reduces fresh water consumption by facilitating easy connection to settling ponds or filtration units | ROI Impact: Can lower site water procurement and handling costs by up to 70%, which is critical in arid regions.

HeavyDuty Cast Iron Mortar Box | Technical Basis: Singlepiece casting with reinforced wear plates at impact zones | Operational Benefit: Provides unmatched durability against abrasive impact, maintaining geometric integrity for years of service | ROI Impact: Offers the lowest costperton in its class for abrasive quartz ore processing due to extended service intervals.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Basic Stamp Mills) | Our Gold Ore Stamp Mill Solution | Advantage (% Improvement) |
| : | : | : | : |
| Mechanical Availability (Scheduled Runtime) | ~85% (Frequent bearing/seal issues)| >94% (Protected lubrication & robust design)| +10% |
| Energy Consumption (kWh/Ton Crushed)| High variance due to inefficient drives| Consistent low range via optimized camshaft drive| Up to 22% reduction |
| Mean Time Between Overhauls (MTBO)| 68 months of continuous operation| 1418 months of continuous operation| +100% improvement |
| OnSite Assembly Time (Crew of 4)| 1014 days| 57 days with modular frame| ~50% faster |
| Wear Part Cost per Ton Processed| Baseline = 100% (Standard castings)| Estimated at 6575% (Longerlife alloys & design)| 2535% reduction |

5. TECHNICAL SPECIFICATIONS

Model Range & Capacity: Available in 3stamp (12 TPH), 5stamp (24 TPH), and 10stamp (58 TPH) configurations under normal operating conditions with mediumhard quartz ore.
Power Requirements: Electric motor driven; options from 15 kW (3stamp) to 45 kW (10stamp). Configured for standard industrial voltages (415V/50Hz or 480V/60Hz). Diesel drive options available.
Material Specifications: Mortar Box – Grade 35 Cast Iron with NiHard wear liners. Stamps – Forged Steel bodies with interchangeable manganese steel shoes. Frame – ASTM A36 Structural Steel.
Physical Dimensions (10Stamp Mill): Approx. Length: 3.5m x Width: 2m x Height:2m . Weight approx.8 tonnes .
Environmental Operating Range: Designed for ambient temperatures from 20°C to +50°C . Dust seals rated for typical milling environments; not suitable for submersion or explosive atmospheres without modification.

6. APPLICATION SCENARIOS

SmallScale Mining Cooperative Challenge:| Challenge:| A cooperative in West Africa struggled with low gold recovery (<60%) using manual crushing methods leading high economic losses . Their erratic power supply also ruled out standard motorized crushers .|

Solution:| Implementation of two dieselpowered stamp mills configured with mesh discharge screens feeding directly into shaking tables .|
Results:| Achieved consistent crush size , liberating fine gold previously lost . Recovery rates increasedtoover% , while diesel fuel costs proved% lower than projected generator costsfor equivalent electric mills . Payback was achievedinundermonthsofoperation .

Historic Mine Tailings Reprocessing Challenge:| Challenge:| A contractor reprocessing historic tailings in North America neededa rugged , portable crushing circuitto handle variable , abrasive material at multiple remote siteswith minimal setup time .|

Solution:| A skidmounted stamp mill plant completewithintegrated feed hopperandslurry pump was deployed . The modular design allowed relocationbetweensitesinasingleday .|
Results:| The unit processedtonsofmaterialpershiftwithmechanical availability exceeding% . Quick screen changes accommodated varying material hardness between sites , maximizing metal liberation across all projects .

7 COMMERCIAL CONSIDERATIONS

Our stamp mill solutions are offered under three primary tiers:

1\. Base Equipment Package Includes the complete stamp mill assembly , drive motor , starter ,and basic tooling FOB our manufacturing facility

2\. ProcessReady Package Adds integrated feed hopper belt feeder discharge slurry sump pumpandcontrol panel creatinga turnkey crushing module

3\. Plant Scope Package Full system design including conveyors water recirculation systemand integration engineeringfor connectiontoyour existing recovery circuit

Optional Features Highefficiency cyclone classifiersforslurry control advanced vibration monitoring systems remote operational diagnostics package

Service Packages Extended warranty plans scheduled maintenance kits operator training programs conductedonsite

Financing Options We workwithestablished industrial equipment financierstooffer leaseto ownoperating leasesandproject financing solutions tailoredtomining enterprises typicallystructuredovertoyear terms

8 FAQ

Q What particle size can I expect from your stamp mill
A With the appropriate discharge screen installed our mills typically producea nominal productsizeofminusmmmesh though this varieswithorecharacteristicsandfeedrate Optimal sizingforgravityrecoveryiseasilyachieved

Q Can this integratewithmyexisting ballmillorconcentrationcircuit
A Yes Our stamp mills are designedasprimarycrushersorcoarsegrinders Feedanddischargepoints are standardized allowingdirectconnectiontoconveyors slurry linesoragitatedtanks They effectively reduce workloadondownstream finegrinding equipment

Q How many operators are required
A One trained operator can oversee multiple units Routine monitoring adjustmentoffeedrateandwaterisprimary Automationofthelubricationsystem significantly reduces manual labor requirements

Q Whatistheleadtimefordelivery
A Standard models haveaproductionleadtimeofweeks Exworks Custom configurationsorlarge orders may requireweeks dependingonspecifications

Q Doyouprovidesparepartsglobally
A We maintain strategic parts inventoriesonthreecontinents Critical wear parts stamps shoes liners are guaranteedtobeshippedwithinhoursoforderfromthenearestdepot

Q Isonsiteinstallationsupportavailable
A Yes we offer comprehensive commissioning services conductedby our field engineers This includes final assembly verification alignment process tuningandstafftraining recommendedforallnewinstallations