1. PAINPOINT DRIVEN OPENING

Are you managing a small to midscale gold operation where inefficient primary ore crushing and grinding is constraining your entire production circuit? Manual feeding, inconsistent particle size distribution, and excessive downtime for liner changes directly impact your recoverable ounces and profitability. Each hour of mill stoppage can represent thousands in lost revenue, while poor liberation leads to gold reporting to tailings. Are you currently facing: high perton processing costs due to low throughput; unpredictable maintenance cycles disrupting production schedules; or safety risks associated with manual handling of ore and grinding media? A modern, engineered sustainable stamp mill addresses these core operational challenges by providing reliable, mechanized comminution designed for continuous, costeffective operation.

2. PRODUCT OVERVIEW

This product is a modern Sustainable Stamp Mill, a mechanized mineral processing system engineered for the primary crushing and grinding of goldbearing quartz ores. It is designed for operations requiring a robust, relatively simple comminution circuit with lower capital expenditure than highspeed ball mills.

Operational Workflow:
1. Feed: Runofmine (ROM) ore is consistently fed via a regulated hopper and conveyor into the mortar box.
2. Crushing & Grinding: Mechanically lifted stamps (46 per unit) are sequentially dropped onto the ore, combining impact and slight abrasion to fracture the material.
3. Classification & Discharge: Pulverized material passes through a perforated screen plate at the mortar box discharge, with slurry flowing to downstream concentration processes (e.g., sluices, shaking tables).
4. Water Integration: A controlled water wash facilitates material transport through the mill and aids in initial gravity separation.

Application Scope & Limitations:
Scope: Ideal for freemilling gold ores where gravity recovery is effective; suitable for remote locations with intermittent power; excellent for pilot plants or operations processing 50500 tons per day.
Limitations: Not optimal for refractory ores requiring fine grinding or chemical leaching as a primary method; lower energy efficiency per ton compared to advanced roller mills at very high throughputs; requires competent foundation due to dynamic loads.

3. CORE FEATURES

Modular HeavyDuty Frame | Technical Basis: Prefabricated hightensile steel construction with vibrationdampening mounts | Operational Benefit: Enables rapid onsite assembly and stable operation, reducing installation time by up to 60% compared to traditional builtinplace designs | ROI Impact: Lower capital installation costs and minimized foundation cracking, extending operational life.
Precision Camshaft & Lifter Assembly | Technical Basis: CNCmachined alloy steel camshaft with replaceable lifters ensures uniform stamp lift height and timing | Operational Benefit: Delivers consistent impact energy and predictable grind size, improving downstream recovery rates | ROI Impact: Reduces variability in tailings grade; field data shows a 515% improvement in overall recovery consistency.
QuickChange Wear Plate System | Technical Basis: Segmented, bolted manganese steel wear plates in the mortar box | Operational Benefit: Allows replacement of individual worn sections in under 4 hours without dismantling the stamp assembly | ROI Impact: Cuts planned maintenance downtime by over 70%, directly increasing annual operating hours.
Integrated Water Recycling Sump | Technical Basis: Closedloop slurry handling system with settling baffles | Operational Benefit: Captures and recirculates process water, reducing fresh water consumption by approximately 80% | ROI Impact: Drastically lowers water procurement and pumping costs, essential for arid regions.
Variable Speed Drive (Optional) | Technical Basis: Frequencycontrolled electric motor drive system | Operational Benefit: Operators can adjust stampsperminute (SPM) to optimize for ore hardness variations | ROI Impact: Maximizes throughput on soft ore and protects components on hard ore, improving liner life and energy efficiency per ton.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Legacy Stamp Mill) | Sustainable Stamp Mill Solution | Advantage (% Improvement) |
| : | : | : | : |
| Throughput (TPD)| Manual feed leads to inconsistent rate | Regulated feeder ensures design capacity of 50500 TPD is consistently met| +25% Average Utilization |
| Liner Change Downtime| Full mortar box replacement (1624 hrs) | Segmented plate replacement (<4 hrs) |75% Maintenance Time |
| Water Consumption| Open flowthrough design (~5m³/ton) | Recirculating system with sump (~1m³/ton)| 80% Fresh Water Use |
| Energy Efficiency| Fixedspeed motor or diesel drive | Optimized gearbox & optional VSD drive| +15% kWh per ton processed |

5. TECHNICAL SPECIFICATIONS

Capacity Rating: Modeldependent, ranging from 50 to over 500 Tons Per Day (TPD) of 1/2" feed ore.
Power Requirements: Electric motor driven; primary models require 3075 kW depending on stamp configuration (46 stamps). Compatible with diesel genset operation.
Material Specifications: Mortar box liners & stamp shoes: ASTM A128 Manganese Steel (1114%). Frame Structure: ASTM A36 Carbon Steel. Camshaft: Forged Alloy Steel.
Physical Dimensions (Typical 5Stamp Mill): Operating Footprint: ~6m L x 3m W x 4m H. Dry Weight: ~12,000 kg.
Environmental Operating Range: Ambient Temperature: 10°C to +45°C. Dust suppression kit recommended for arid environments.

6. APPLICATION SCENARIOS

Artisanal & SmallScale Mining (ASM) Cooperative Upgrade

Challenge:A cooperative was using manual pounding mills (arrastras), resulting in low daily volume (<10 TPD), poor gold liberation (<60% recovery), and high physical labor toll.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with a simple feed hopper.Solution:The implementation of a single 4stamp sustainable stamp mill with an integrated water recirculation system.Solution:The implementation of two parallel units replaced an aging ball mill circuit that was overspecified and costly to maintain given the moderate hardness quartz vein material being processed.Solution:The implementation of two parallel units replaced an aging ball mill circuit that was overspecified and costly to maintain given the moderate hardness quartz vein material being processed.Solution:The implementation of two parallel units replaced an aging ball mill circuit that was overspecified and costly to maintain given the moderate hardness quartz vein material being processed.Solution:The implementation of two parallel units replaced an aging ball mill circuit that was overspecified and costly to maintain given the moderate hardness quartz vein material being processed.Solution:The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part of their existing plant control system.The installation included our variable speed drive option configured as part

MidTier Producer Circuit Optimization

Challenge:A midtier producer required reliable primary crushing for satellite highgrade veins feeding into their central processing plant but faced prohibitive costs associated with running mobile jaw crushers in remote locations.Challenge:A midtier producer required reliable primary crushing for satellite highgrade veins feeding into their central processing plant but faced prohibitive costs associated with running mobile jaw crushers in remote locations.Challenge:A midtier producer required reliable primary crushing for satellite highgrade veins feeding into their central processing plant but faced prohibitive costs associated with running mobile jaw crushers in remote locations.Challenge:A midtier producer required reliable primary crushing for satellite highgrade veins feeding into their central processing plant but faced prohibitive costs associated with running mobile jaw crushers in remote locations.Challenge:A midtier producer required reliable primary crushing for satellite highgrade veins feeding into their central processing plant but faced prohibitive costs associated

Pilot Plant & Bulk Sampling Operation

Challenge:A junior exploration company needed representative bulk samples processed from various zones at rates up to100 TPD without investing millions into fullscale milling infrastructure.Challenge:A junior exploration company needed representative bulk samples processed from various zones at rates up

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7.COMMERCIAL CONSIDERATIONS

Equipment Pricing Tiers are based on capacity&configuration:

Base Model(Stamp Mill Core Unit):Includes frame,camshaft assembly,mortar box,basic discharge screen&drive motor.Pricing starts within this range suitableforbudgetconsciousoperationsseekingareliablereplacementforlegacymachinery.

Advanced Package(Base+Integrated Feeder&Water Recycling Sump):Recommendedformostnewinstallations.Thispackageensuresoptimalperformanceandreducedoperatingcostsfromdayone.Pricingreflectstheaddedcomponentsandengineeringintegration.

Premium Package(Advanced+Variable Speed Drive&Automated Greasing System):Forthehighestlevelofoperationalcontrol,predictivemaintenance,andenergyoptimizationincontinuousdutyapplications.Pricingincludesadvancedmotorcontrolsandsensors.

Optional Features:DustEnclosureKits,DifferentScreenPlatePerforations(1/8”to1/2”),SparePartsKits(WearPlates,Shoes,Cams),FoundationAnchorBoltTemplates.ServicePackagesincludeonsiteSupervisedErectionCommissioningAnnualInspectionContractsExtendedWarrantyCoverageonMajorComponentsFinancingOptionsavailablethroughpartnerstoincludeequipmentleasingwithflexibletermstospreadcapitaloutlayovertimealigningwithcashflowfromproduction

8.FAQ

Q:Whatfeed sizerequirementdoesyoursustainablestampmillhave?
A:Fordesignperformancefeedmaterialshouldbelessthan½”(12mm).AprimaryjawcrusherisrecommendedtoprepareROMoreto thissizeensuringefficientoperationandmaximizingwearpartlife

Q:Canyourmillprocessmaterialotherthanquartzgoldores?
A：YesithasbeenappliedsuccessfullytovariousbrittlemineralsincludingcertaintinandaluminumsilicateoresHowevercircuitsuitabilityandexpectedwearratesmustbeevaluatedbasedonspecificoremineralogyandhardness

Q：Howdoesthemillimpactmyexistinggravityrecoverycircuit？
A：ThemillproducesaslurrywithacontrolledparticlesizedistributionoptimizedforgravitationalconcentrationonshakingtablesorsluicesConsistentgrindfromthecamdrivenactiontypicallyimprovesrecoveryperformanceindownstreamunitsbyprovidingbetterliberation

Q：Whatisthetypicalleadtimefromordertoshipment？
A：Standardmodelshaveaproductionleadtimeof1416weeksExpeditedmanufacturingmaybeavailableforspecificconfigurationssubjecttopremiumcharges

Q：Areoperatortrainingandtechnicalmanualsprovided？
A：Comprehensiveoperationmaintenance（O&M）manualsareincludedwitheveryunitBasicvirtualtrainingismandatoryOnsitehandsovertrainingisanoptionalservicehighlyrecommendedforensuringpeakperformanceandsafetyfromcommissioning