1. PAINPOINT DRIVEN OPENING

Managing a gold processing operation requires balancing throughput, recovery rates, and operational costs. Inefficient or unreliable equipment directly impacts your bottom line. Are you facing these persistent challenges?
High Downtime for Maintenance: Frequent component wear and unplanned stops for repairs halt your entire processing line, costing thousands per hour in lost production.
Inconsistent Recovery Rates: Variable feed material can lead to gold losses in tailings, with even a 1% drop in recovery representing significant lost revenue over a quarter.
Excessive Operating Costs: High energy consumption per ton processed and the constant need for replacement parts erode profit margins.
Operator Safety and Exposure Risks: Equipment that generates excessive dust, requires manual adjustment under load, or lacks proper containment increases site risk and regulatory scrutiny.
Difficulty Scaling Operations: Inflexible equipment cannot easily adapt to changes in ore grade or desired throughput, limiting operational agility.

The right contractmanufactured equipment is not just a purchase; it’s a strategic investment to address these issues. How does your current machinery measure up?

2. PRODUCT OVERVIEW

This datasheet details our engineeredtoorder [Your Company Name] {{keyword}} solutions. We specialize in the contract manufacturing of heavyduty mineral processing equipment tailored for gold extraction circuits, including crushers, mills, concentrators, classifiers, and material handling systems.

Operational Workflow:
1. Collaborative Design: Our engineering team reviews your plant flow sheet, feed specifications, and capacity requirements.
2. Precision Manufacturing: Components are fabricated from specified materials using advanced CNC and welding techniques under strict quality control.
3. PreDelivery Assembly & Testing: Major subassemblies are constructed and tested at our facility to ensure fit and function before shipment.
4. Logistics & Delivery: Equipment is prepared for transport to your greenfield or brownfield site anywhere in the world.
5. Technical Support: We provide comprehensive documentation and onsite commissioning support.

Application Scope & Limitations:
Scope: Ideal for midtolarge scale gold mining operations, processing plant upgrades (OPEX projects), and engineering procurement construction management (EPCM) contractors requiring customengineered solutions.
Limitations: Not an offtheshelf product; lead times are dependent on design complexity. Requires clear client specifications for optimal performance.

3. CORE FEATURES

HeavyDuty Drum Construction | Technical Basis: Highstrength steel plate with internal reinforcing ribs | Operational Benefit: Withstands continuous abrasive feed with minimal deformation or fatigue over a 10+ year lifecycle | ROI Impact: Reduces replacement cycle costs by up to 40% compared to standard industrial builds.

Advanced Liner System | Technical Basis: Modular, boltin liner plates made from specified alloys (e.g., AR400, chromium carbide) | Operational Benefit: Enables rapid changeout during planned maintenance windows; liners protect the core drum structure | ROI Impact: Cuts liner replacement downtime by an average of 35%, increasing annual operating hours.

Variable Frequency Drive (VFD) Integration | Technical Basis: Precision motor control via industrialgrade VFD systems | Operational Benefit: Operators can finetune rotational speed to optimize retention time for varying ore characteristics | ROI Impact: Improves recovery efficiency by 25% on variable feeds and reduces energy consumption during lowergrade processing.

Sealed Bearing & Trunnion Assemblies | Technical Basis: Labyrinth seals and automated grease purge systems | Operational Benefit: Prevents ingress of slurry and dust, the primary cause of bearing failure in harsh environments | ROI Impact: Extends bearing service intervals by 300%, lowering maintenance part costs and preventing unscheduled stops.

Integrated Process Monitoring Ports | Technical Basis: Flanged access points for density gauges, pH probes, or sample extraction | Operational Benefit: Provides realtime data on process efficiency without stopping operation for manual sampling | ROI Impact: Enables proactive process adjustment, stabilizing recovery rates and improving metallurgical accounting accuracy.

Engineered Discharge Configuration | Technical Basis: Customconfigured grates or screen sections based on client liberation size data | Operational Benefit: Ensures optimal product sizing on the first pass, reducing recirculation load and improving downstream efficiency | ROI Impact: Lowers overall plant energy use by optimizing the entire comminution circuit.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard Build | Our {{keyword}} Solution | Advantage (% Improvement) |
| : | : | : | : |
| Mean Time Between Failure (MTBF) – Critical Drums/Drives| ~1,200 hours| 1,800+ hours| +50% |
| Energy Consumption per Ton Processed| Baseline (100%)| Optimized via VFD & Flow Design| 15% to 20% |
| Liner ChangeOut Time (8hour shift)| Full shift required| Completed with 23 hours contingency| ~60% faster |
| Recovery Rate Consistency (Std. Deviation)| Higher variability (±3%)| Tighter control (±1%) due to process stability| Improved consistency |
| Total Cost of Ownership (5year estimate)| $X (Baseline)| $0.75X based on durability & efficiency gains| ~25% reduction |

5. TECHNICAL SPECIFICATIONS

Capacity/Rating: Designed per client specification; typical ranges from 50 TPH to over 500 TPH depending on application (crushing, milling, scrubbing).
Power Requirements: Motor specs from 75 kW to 1500+ kW; designed for 415V/480V/3000V/6000V threephase supply with appropriate starter/VFD packages.
Material Specifications:
Drum Shell: ASTM A36 / AS3679350 grade steel minimum; higher grades available.
Liners/Contact Parts: Clientspecified material (e.g., Mild Steel, NiHard Alloy, HighChrome White Iron).
Structural Supports: Heavy wideflange beams with corrosionresistant primer.
Physical Dimensions: Customengineered; designs account for site access limitations and final placement within existing plant layouts.
Environmental Operating Range: Built for ambient temperatures from 20°C to +50°C; protective finishes specified for highhumidity or coastal environments.

6. APPLICATION SCENARIOS

Gold Mill Circuit Upgrade – West Africa

Challenge: A tier1 operator experienced excessive downtime due to premature failure of scrubber drum liners in highly abrasive saprolite ore, causing bottlenecking ahead of the leaching circuit.
Solution: Contract manufacture of a replacement heavyduty scrubber drum with a custom chromium carbide liner system and redesigned lifters for improved wear life.
Results: Liner life increased from 4 months to 14 months. Annual availability of the scrubbing circuit improved by 18%, contributing to a sustained +4% increase in overall plant throughput.

New Gravity Recovery Plant – North America

Challenge: An EPCM contractor required a fully customized Knelson concentrator package for a highgrade alluvial project but faced long lead times from OEM suppliers.
Solution: Collaborative design and contract manufacturing of the complete gravity concentration system—including cyclones,sump tanks,and concentrate handling—to match specific flow sheet requirements.
Results:The integrated package was delivered within an accelerated 22week timeline.The plant achieved first gold pour on schedule,and initial recovery rates met design criteria within a <1% variance.

7. COMMERCIAL CONSIDERATIONS

Our contract manufacturing model provides flexibility aligned with project capital expenditure planning:

Pricing Tiers: Based on material specification complexity:
Tier A (Standard Duty): For less abrasive applications using standard steel specifications.
Tier B (Heavy Duty): For highly abrasive feeds incorporating premium wear alloys and enhanced structural design.
Tier C (Full System): Integrated skidmounted systems with motors,VFDs,and controls preassembled.

Optional Features: Advanced condition monitoring sensors,washdown systems,custom paint/wrapping for branding,and spare parts kits.

Service Packages: Include extended warranty,FEA stress analysis documentation,inperson operator training,and scheduled inspection programs.

Financing Options: We work with thirdparty financial institutions to offer leasetoown structures or progresspayment plans aligned with major project milestones,making capital outlay more manageable

8.FAQ

Q1:What level of detail do you require from us to begin the design process?
A1:A preliminary datasheet including target capacity,P80 feed size,P80 product size,specific ore characteristics(abrasion index,Bond Work Index if known),and site layout constraints is sufficientfor an initial proposal.Detailed GA drawings follow during the engineering phase

Q2 How do you ensure dimensional accuracyfor retrofit applications?
A2 Our standard protocol includes creating3D laser scansof existing installations when replacing legacy equipment.This guarantees perfect fitmentof new custommanufactured components into brownfield sites

Q3 What isthe typical lead timefrom order placementto delivery?
A3 Lead times varyby complexity.For major rotating equipmentlike mills,a rangeof2840 weeksis common.Delivery schedulesare fixedat contract awardand managedthrough ourproject management office

Q4 Areyour designs compliantwith international machinery safety standards?
A4 Yes.All equipmentis designedand manufacturedin accordancewith relevant international standards(e.g.,ISO AS/NZS)and includes guardingemergency stop circuitsand other safetybydesign featuresas standard

Q5 Can you provideperformance guaranteesfor your custom equipment?
A5 We provide mechanical performance guaranteesfor output capacitypower drawand mechanical availabilitybasedon agreedupon feed specifications.Metallurgical performanceis dependenton overall circuit designand clientprovided ore data

Q6 Do you offerongoing spare parts support?
A6 Yes.We maintainfull manufacturing recordsand CAD filesenabling us tooffer genuine spare parts—from individual liner bolts too complete trunnion assemblies—forthe entire service lifeof the equipment

Q7 What arethe payment termsfora largecontract manufacturing order?
A7 Typical terms involveprogress payments tiedto key milestones:a deposit upon order releasepayments upon approvalof engineering drawingsduring fabricationand upon shipmentwith retention periods negotiable