1. ABERTURA ACIONADA POR PAINPOINT

Are you managing a gold processing operation where inconsistent ore feed, altos custos de manutenção, and inefficient liberation are eroding your profit margins? The challenges of operating a stamp mill in today’s economic climate are significant. Consider the recurring costs: unplanned downtime for die and shoe replacement, excessive energy consumption per ton of ore processed, and the potential for valuable gold particles to be lost due to inadequate or inconsistent particle size reduction. These factors directly impact your bottom line.

How can you reduce your cost per ton while maintaining reliable throughput? Is there a way to achieve more consistent grind size for improved cyanidation or gravity recovery rates? Can you extend maintenance intervals without sacrificing crushing performance? These are the critical questions facing operations relying on traditional comminution equipment. The solution lies not in a complete plant overhaul, but in specifying a modern, engineered ODM stamp mill built to address these exact operational pain points.

2. VISÃO GERAL DO PRODUTO

This product is an Original Design Manufacturer (ODM) heavyduty stamp mill engineered for the primary crushing and coarse grinding of goldbearing quartz ores. Ele é projetado como um robusto, modular unit for small to mediumscale mining operations and pilot plants where reliability and simplicity are paramount.

Fluxo de Trabalho Operacional:
1. Alimentar: Runofmine (ROM) ore is fed into a sturdy ore hopper, often equipped with a grizzly to scalp oversized material.
2. Esmagamento & Moagem: Selos Camdriven (510 selos por moinho, dependendo do modelo) are lifted and dropped onto the ore bed positioned over a durable mortar box. This repetitive impact fractures the quartz matrix to liberate gold.
3. Controle de tamanho de partícula: Crushed material passes through a perforated screen plate at the discharge end of the mortar box, ensuring only adequately sized particles exit the circuit.
4. Coleção: The discharged pulp (crushed ore and water slurry) is channeled for subsequent processing via sluices, amalgamation plates, ou tanques de lixiviação.

Escopo de aplicação & Limitações:
Escopo: Ideal for freemilling gold ores where gravity recovery is effective; suitable for remote locations with limited infrastructure due to mechanical simplicity; excellent for processing highgrade vein material.
Limitações: Not optimal for fine grinding requirements (<100 malha); less energyefficient than some modern ball mills for hightonnage applications; performance can be sensitive to feed size consistency and moisture content.

3. RECURSOS PRINCIPAIS

Design de moldura modular | Base Técnica: Fabricated highcarbon steel sections with predrilled mounting points | Benefício Operacional: Permite montagem rápida do site, reduz os requisitos de fundação, and allows for future reconfiguration or relocation | Impacto do ROI: Reduz o tempo de instalação em até 40%, lowering total project capital expenditure.
Forged Alloy Stamp Heads | Base Técnica: Heattreated chromiummolybdenum steel forgings | Benefício Operacional: Exceptional resistance to deformation and wear under repeated impact loads | Impacto do ROI: Prolonga a vida útil em média 60% over standard cast heads, reduzindo a frequência de substituição de peças e os custos de estoque.
PrecisionMachined Cam Shaft | Base Técnica: Inductionhardened cam lobes on a dynamically balanced shaft | Benefício Operacional: Ensures consistent stamp lift height and drop force while minimizing vibration | Impacto do ROI: Improves power transmission efficiency by ~15% and reduces bearing wear, lowering energy and maintenance costs.
Sistema de tela QuickChange | Base Técnica: Boltclamped screen plates with integrated lifting lugs | Benefício Operacional: Allows operators to change screen aperture size or replace worn screens in under 30 minutos | Impacto do ROI: Reduces downtime for product size adjustment by over 70%, aumentando a disponibilidade da planta.
Sistema de lubrificação centralizado | Base Técnica: Manifold with pushbutton grease points routed to all major bearings | Benefício Operacional: Promotes consistent lubrication, prevents contamination ingress, and simplifies routine maintenance checks | Impacto do ROI: Prolongs bearing service life by an estimated 50%, evitando paradas não programadas dispendiosas.

4. VANTAGENS COMPETITIVAS

| Métrica de desempenho | Padrão da Indústria (Moinhos Legados) | ODM Stamp Mill Solution | Vantagem (% Melhoria) |
| : | : | : | : |
| Stamp Head Wear Life| 500 800 horário de funcionamento| 1,200 1,500 horário de funcionamento| +80% |
| Tonelagem por kWh| Altamente variável; muitas vezes não medido| Consistent throughput due to balanced design; field data shows ~12% improvement in specific energy consumption| +12% |
| Disponibilidade Anual| ~85% (downtime for repairs/ adjustments)| Alvo de >92% (modular parts & sistemas de troca rápida)| +7 pontos percentuais |
| Tempo médio para reparar (MTTR)| 812 hours for major component swap| <5 hours due to modular frame & accessible layout| 50% |

5. ESPECIFICAÇÕES TÉCNICAS

Faixa de capacidade: dependente do modelo; de 0.5 para 3 toneladas por hora (TPH) of crushed ore.
Requisitos de energia: Acionamento por motor elétrico recomendado. Standard models require a 15 kW para 45 motor kW (20 HP para 60 HP), depending on stamp configuration (510 selos).
Especificações de materiais:
Quadro & Caixa de morteiro: ASTM A36 carbon steel plate (min. 10espessura mm).
Selos & Sapato: AISI 4140 / 42CrMo4 alloy steel, tratado termicamente.
Cam Shaft: EN8 / C1045 steel with hardened lobes.
Rolamentos: Rolamentos autocompensadores de rolos selados.
Dimensões Físicas (Moinho 10Stamp típico): ~4m L x 2m W x 3m H. Peso aproximadamente 810 toneladas métricas.
Faixa operacional ambiental: Projetado para temperaturas ambientes de 10°C a +45°C. Requires dust suppression water system during operation.

6. CENÁRIOS DE APLICAÇÃO

Expansão da mina de Hard Rock em pequena escala

Desafio:A West African mining cooperative was manually crushing highgrade ore with hammers, creating bottlenecks and inconsistent particle size that hampered their cyanide leach recovery rates (~65%). They needed mechanized crushing but lacked grid power.

Solução:The implementation of two ODM stamp mills configured with diesel drives replaced manual crushing entirely.

Resultados:The operation achieved consistent throughput of 1.8 TPH per mill at a target grind size of 20 malha. Leach recovery rates improved to an average of 88%. Payback on equipment was achieved within seven months based on increased gold production.

Planta Piloto & Operação de amostragem em massa

Desafio:A mineral exploration company required reliable equipment for processing large bulk samples from various prospects across rugged terrain. Equipment needed to be transportable by standard flatbed truck and quick to commission/decommission.

Solução:A single skidmounted ODM stamp mill was deployed as their primary sample processor.

Resultados:The unit reduced mobilization/setup time at new sites by over twothirds compared to previous contractor arrangements.The consistent crush provided uniform samples across all prospects,yielding more accurate grade estimates.The capital investment was offset by eliminating thirdparty toll milling fees within one field season.

7.CONSIDERAÇÕES COMERCIAIS

O preço do equipamento é escalonado com base na capacidade(stamp count)e configuração da unidade:
• Modelo Básico(5Carimbo,Electric Drive):Entrylevel pricing suitablefor startupsand very lowthroughput operations
• Standard Model(10Carimbo,Electric Drive):The most common configuration offering optimal balanceof throughputand power efficiency
• Custom Configuration(8Carimbo,Diesel/Hybrid Drive):Priced accordinglyfor specific offgridor hybrid power needs

Recursos opcionais:
• Integrated amalgamation plate tables
• Advanced water recirculation system package
• VFD motor controlsfor precise speed adjustment
• Kit inicial de peças de reposição(dies shoes cam lobes)

Pacotes de serviços:
• Comissionamento&Treinamento de Operadores:A fixedfee package conducted onsite
• Preventive Maintenance Agreement:Scheduled inspectionsand priority parts dispatch
• Full Service Contract:Covers all laborand partsfor defined period

Opções de financiamento:
Direct leasing arrangementsand equipment financing through partner institutionsare available typically requiring2030%down paymentwith terms rangingfrom24to60months

8.Perguntas frequentes

P:What feed sizecan this ODM stamp mill accept?
UM:The millis designedfor runofmine(ROM)orewith amaximumfeed sizeof approximately100mm(4polegadas).A grizzlyis recommendedto preventoversizematerialfrom enteringthe mortarbox

P:Canyour millsbe integratedwith existinggravitycircuitsor CIP/CILplants?
A Yes.They serveas aprimary crusher/coarse grinder.The dischargepulpcan be directlyfedto shaking tables spiralsor requirefurther ballmillgrindingfor leaching circuitsbasedon yourtargetP80

P:Whatisthe expectedleadtimefrom orderto delivery?
A Forstandardmodels leadtimeis typically1216weeks.Customconfigurationsmay requireadditional timebasedon engineeringrequirements

P:Doyou providefoundationdrawingsandplantlayoutassistance?
A Yes.Comprehensiveinstallationmanualsincludingfoundationplans generalarrangementdrawingsandbasicpiping/electricalinterfaceguidanceare providedwith everypurchase

P:Whatisthewarrantycoverage?
A The standardwarrantyis12monthsonmanufacturingdefectscoveringparts Structuralcomponentslike themainframe carrya5yearwarranty Extendedwarrantiesare availableas partof servicepackages

P:Aretrainingmaterialsprovidedfor ouroperators?
A Yes.Detailedoperationalmanuals maintenancechecklistsandvideo trainingmodulesare supplied We stronglyrecommendthe onsitecommissioningpackagefor handsovertraining

P:Doyou offertrialperiodsordemo units?
A We donot offertrial periodsdue tothenatureof industrialcapitalequipment Howeverwe can provideextensivereferencelistsfrom currentclientsin similarapplicationsandarrangevisitswherelogisticallypossible