1. PAINPOINT DRIVEN OPENING

Are you facing persistent bottlenecks in your gold processing circuit due to unreliable primary crushing? Inconsistent feed size, excessive liner wear, and unplanned maintenance stops directly erode your profit margins. Consider these common operational challenges:
High Downtime Costs: Mechanical failures in the primary crusher can halt your entire milling circuit, costing thousands per hour in lost production.
Premature Wear Part Failure: Abrasive gold ores, especially those with high silica content, rapidly degrade crusher liners and mantles, leading to frequent, costly replacements and compromised product sizing.
Inefficient Liberation: Poorly sized crusher product (e.g., slabby or oversized material) reduces downstream grinding circuit efficiency, increasing specific energy consumption (kWh/t) and limiting gold recovery.
High Operational Labor: Manual clearing of bridging and blockages, along with constant monitoring for wear, ties up skilled personnel on reactive tasks.

Is your current primary crushing solution delivering the availability and costpertonne required for profitable gold ore processing? The right ODM gold ore crushing equipment is engineered to address these exact pain points.

2. PRODUCT OVERVIEW

This product line comprises heavyduty, stationary primary jaw crushers specifically engineered for the rigorous demands of hard rock gold mining. Designed as Original Design Manufacturer (ODM) equipment, these crushers are built to client specifications for integration into greenfield projects or existing plant upgrades.

Operational Workflow:
1. RunofMine (ROM) gold ore is fed via a grizzly feeder to the crusher’s vibrating grizzly section.
2. Oversize material is directed into the robust crushing chamber where a highpivotpoint jaw design applies compressive force.
3. Crushed product, along with grizzly throughs, discharges onto the main plant conveyor at a consistent 6" to 8" nominal size, ready for secondary crushing or direct feed to a SAG mill.

Application Scope & Limitations:
Scope: Ideal for primary crushing of hard rock gold ores (quartz veins, sulphidebearing ores), ensuring reliable firststage size reduction in CIP/CIL or gravity circuits.
Limitations: Not designed for wet, sticky ores without prior scalping; maximum feed size is dependent on model selection.

3. CORE FEATURES

HeavyDuty Frame & Welded Structure | Technical Basis: Finite Element Analysis (FEA) optimized stress distribution | Operational Benefit: Eliminates frame fatigue cracking under cyclical loading from tramp metal or uncrushables | ROI Impact: Extended structural life reduces capital replacement risk over the plant lifecycle.

Manganese Steel Liners with Thickening at Critical Points | Technical Basis: Wear modeling based on ore abrasion index data | Operational Benefit: Liner life increased by 2035% in highsilica applications, maintaining cavity geometry for consistent throughput | ROI Impact: Lower costpertonne for wear parts and reduced changeout frequency.

Hydraulic Adjustment & Clearing System | Technical Basis: Integrated dualacting hydraulic cylinders replace traditional manual shims | Operational Benefit: Operators can adjust CSS or clear a blockage in under 10 minutes from a remote location | ROI Impact: Minimizes downtime events by up to 80% compared to manual methods.

HighStrength Forged Eccentric Shaft | Technical Basis: Use of ASTM A668 steel forgings with superior fatigue resistance | Operational Benefit: Withstands peak loads from hard ore sections; eliminates shaft failure as a cause of catastrophic stoppage | ROI Impact: Protects against major component replacement costs exceeding typical liner sets.

Advanced Bearing Housing Design | Technical Basis: Labyrinth seals with grease purging capability | Operational Benefit: Effectively excludes dust and contaminants from roller bearings in dusty crushing environments | ROI Impact: Bearing service intervals extended by 40%, lowering maintenance costs and failure risk.

Modular Discharge Setting Adjustment | Technical Basis: Toggle plate and seat design allows for modular replacement of wear surfaces | Operational Benefit: Reduces corrective maintenance time during CSS changes; worn components are replaced individually | ROI Impact: Lowers longterm service costs by targeting replacement parts only where wear occurs.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Average Jaw Crusher) | ODM Gold Ore Crushing Solution | Advantage (% Improvement) |
| : | : | : | : |
| Mechanical Availability (%)| 88 92% | 95 97%| +5% to +9% |
| Liner Life (Abrasive Ore) (Hours)| 1,200 1,500| 1,600 2,000| +25% to +33% |
| Throughput Consistency (± % from target)| ±15%| ±8%| +47% more consistent |
| Mean Time To Repair (MTTR) Major Blockage (Hours)| 4 6| <1.5| Up to 75% |
| Energy Efficiency (kWh/t)| Benchmark = 100%| ~93%| 7% specific energy use |

Based on optimized kinematics reducing cycle load peaks.

5. TECHNICAL SPECIFICATIONS

Capacity Range: Modeldependent; from 350 TPH to 1,200 TPH of dry density gold ore (1.6 t/m³).
Feed Opening: From 42" x 30" up to 60" x 48".
Power Requirements: Main crusher motor from 150 kW to 300 kW; total installed power including hydraulics and drives specified per project.
Material Specifications: Main frame – fabricated highyield steel; Liners – AS2074 H1A / ASTM A128 Manganese Steel; Shaft – forged alloy steel.
Physical Dimensions: Customized per client layout; typical footprint length ranges from ~7m to ~11m.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dustsealed components rated for IP65 protection.

6. APPLICATION SCENARIOS

Hard Rock Underground Mine RampUp

Challenge: An expanding underground operation needed a surface primary crusher capable of handling variable ROM sizes from multiple veins without bridging. Downtime was unacceptable due to limited ROM pad storage.
Solution: Installation of an ODM heavyduty jaw crusher with an extradeep crushing chamber and aggressive stroke profile tailored to the mine’s specific ore characteristics.
Results: Achieved sustained throughput of >800 TPH with zero bridgingrelated stoppages over the first six months. Plant availability reached 96.5%, supporting uninterrupted mill feed during critical rampup phase.

Aged Plant Modernization Project

Challenge: A processing plant was experiencing chronic liner wear issues and bimodal product distribution from an aging primary crusher, causing inefficiencies in the downstream ball mill circuit.
Solution: Direct replacement with a modern ODM gold ore crushing unit featuring optimized cavity geometry and modular discharge setting adjustment.
Results: Crusher product P80 improved in consistency by over 40%. Combined with extended liner life (~30%), this contributed to a documented 5% reduction in overall grinding circuit energy consumption per tonne processed.

7. COMMERCIAL CONSIDERATIONS

Our ODM approach provides flexibility across commercial requirements:

Equipment Pricing Tiers: Based on capacity rating and material specification level (Standard Duty vs. Super HeavyDuty).
Optional Features: Includes integrated motor bases/vbelts vs direct drive options; automated lubrication systems; advanced condition monitoring sensor packages.
Service Packages: Available as annual preventative maintenance plans offering guaranteed parts supply priority rates fixedprice inspections technical support escalation
Financing Options Project financing can be structured through partner institutions including leasetoown models or extended payment terms aligned with project milestones

8. FAQ

Q1 Is this equipment compatible with my existing secondary/tertiary crushing circuit?
The discharge product gradation is engineered match standard downstream feed requirements Compatibility studies based on your current circuit flow sheet are conducted during the technical proposal phase

Q2 What is the expected operational impact on my maintenance team?
Field data shows reduced reactive maintenance tasks The hydraulic clearing system significantly reduces safety risks associated with clearing blockages Training is provided for new procedures focusing on predictive maintenance techniques

Q3 How does the ODM model differ from an OEM purchase?
As an ODM we collaborate directly with you engineering specifications around your exact ore characteristics plant layout operational philosophy This typically results higher degree optimization than standard catalog equipment without custom engineering premiums

Q4 What are standard commercial terms delivery?
Standard terms are CIF major port Incoterms® Payment typically structured as progress payments tied manufacturing milestones Delivery lead times range months depending model complexity current production schedule

Q5 What site preparation is required implementation?
We provide comprehensive foundation drawings load data interface requirements for electrical connections Integration support available ensure correct installation commissioning supervised our engineers