1. PAINPOINT DRIVEN OPENING

Are your gold ore processing operations constrained by persistent bottlenecks and escalating costs? The primary crushing stage often dictates the efficiency of your entire plant. Common challenges include:

Excessive Downtime: Frequent liner changes and unplanned maintenance in abrasive gold ore applications halt your milling circuit, costing thousands per hour in lost production.
Inconsistent Throughput: Feed variability—from hard, competent quartz veins to clayrich saprolite—causes chokefeeding or cavitation, preventing a steady, optimal feed to your SAG/Ball mills.
High Operational Costs: Premature wear component failure and high energy consumption per ton crushed directly erode profit margins.
Product Quality Issues: Poorly sized discharge with excessive fines or slabby material reduces downstream recovery efficiency in leaching or gravity circuits.

Is your operation equipped to handle the specific abrasiveness and variability of gold ore while maintaining availability above 95%? The solution begins with selecting the correct primary crushing equipment.

2. PRODUCT OVERVIEW: HEAVYDUTY GOLD ORE JAW CRUSHER

This product line comprises a range of robust, stationary and modular jaw crushers engineered specifically for the primary crushing of runofmine (ROM) gold ore. Designed as the first critical stage in mineral processing, its purpose is to reliably reduce large, irregular feed (up to 1200mm) to a consistent, conveyable size for secondary crushing or direct feed.

Operational Workflow:
1. ROM gold ore is fed via dump truck or loader into a vibrating grizzly feeder (VGF), which scalps out fine material and directs oversize to the crusher.
2. Ore enters the deep crushing chamber of the jaw crusher, where a highpressure mechanical force between a fixed and a moving jaw fractures the rock.
3. Crushed material discharges onto a main conveyor at a preset closedside setting (CSS), typically between 150mm to 200mm for primary stage.

Application Scope: Ideal for hard rock gold deposits (lode gold), such as quartz veins and sulphideassociated ores. Suitable for both greenfield installations and retrofit upgrades.

Limitations: Not designed as a standalone solution for highclay or wet, sticky ores without prior scrubbing; secondary/tertiary crushing is required for mill feed preparation below ~25mm.

3. CORE FEATURES

HeavyDuty Manganese Steel Jaws | Technical Basis: Isotropic alloy design with workhardening properties | Operational Benefit: Jaw plates develop a hard, wearresistant surface layer upon impact, extending service life in highly abrasive quartz environments by up to 30% compared to standard alloys. | ROI Impact: Reduces liner inventory costs and changeout frequency, lowering costperton crushed.

Hydrostatic Toggle System | Technical Basis: Hydraulic cylinders replace traditional mechanical toggle plates | Operational Benefit: Enables automatic adjustment of the crusher's closedside setting (CSS) and provides overload protection by allowing the jaw to yield under uncrushable material (tramp steel). | ROI Impact: Eliminates downtime from manual adjustments and prevents catastrophic damage from tramp events, protecting major components.

Modular Frame Design | Technical Basis: Fabricated steel sections bolted with precisionmachined interfaces | Operational Benefit: Facilitates transportation to remote sites and allows for strategic component replacement insitu. Reduces foundation requirements by up to 25%. | ROI Impact: Lowers capital expenditure on civil works and simplifies future plant expansion or relocation.

Integrated Motor Base & Belt Drive | Technical Basis: Crusher, motor, and sheaves mounted on a common subframe with automatic belt tensioning | Operational Benefit: Ensures perfect alignment, reduces vibration transmission, and simplifies installation. Maintains optimal power transmission efficiency. | ROI Impact: Cuts installation time by days and improves energy efficiency over the crusher's lifespan.

Centralized Greasing & PLC Automation | Technical Basis: Automated lubrication system interfaced with plant control logic | Operational Benefit: Guarantees consistent bearing lubrication under all load conditions. PLC monitors power draw, pressure, and temperature for predictive maintenance alerts. | ROI Impact: Prevents bearing failures—a leading cause of major downtime—and enables conditionbased maintenance scheduling.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard Benchmark | This Gold Ore Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Mechanical Availability (Abrasive Ore) | 90 92% | 96%+ | +46% |
| Avg. Liner Life (Quartz Ore) | 450,000 MTON | 600,000 MTON| +33% |
| Energy Consumption (kWh/ton) | ~0.85 kWh/t @ CSS 150mm| ~0.72 kWh/t @ CSS 150mm| 15% |
| Tramp Iron Recovery Time
(Uncrushable Clearance) | 48 hours (manual)
Full Chamber Clearance Required? Yes
|<1 hour
Full Chamber Clearance Required? No
|75% to 87% |

5. TECHNICAL SPECIFICATIONS

Model Range Capacity: 500 2,200 MTPH (dependent on feed gradation & type).
Feed Opening: Up to 1200mm x 1600mm.
Power Requirements: 110 400 kW electric motor drive; compatible with dualdrive configurations for higher torque demands.
Material Specifications: Highstrength fabricated steel frame (ASTM A36); Austenitic manganese steel jaw dies (ASTM A128); Forged alloy steel eccentric shaft.
Physical Dimensions (Typical): Approx. Length: 5m; Width: 3m; Height: 4m (excluding feeder & discharge conveyor).
Environmental Operating Range: Designed for ambient temperatures from 20°C to +50°C; dustsealed bearings; optional Arctic or tropical packages available.

6. APPLICATION SCENARIOS

Hard Rock Underground Mine RampUp

Challenge: A transitioning openpit operation needed higher primary throughput from deeper sulphide ore but faced space constraints at the existing surface crusher station.
Solution: Installation of a modular heavyduty jaw crusher underground at the ore pass loading point.
Results: Reduced haulage costs by crushing at depth; achieved sustained throughput of 950 MTPH at a CSS of 175mm; plant availability recorded at 96.7% over first year.

Alluvial/Transition Zone Processing Plant

Challenge:A West African operation processing transitional saprolite and fresh rock experienced severe plugging in their previous primary crusher during wet seasons.
Solution:A grizzlyfeeder combination was paired with this jaw crusher featuring an aggressive stroke profile enhanced tramp relief system.
Results:Eliminated seasonal plugging events; maintained design throughput regardless of moisture content; wear life exceeded projections due to effective fines removal precrushing.

7.COMMERCIAL CONSIDERATIONS

Pricing is structured according tonnage capacity drive power:
Tier I (1500 MTPH): Full package including hydraulic setting adjustment remote monitoring interfaces

Optional Features:Dust suppression ring arctic lubrication package special liner profiles for slabby ore custom discharge heights

Service Packages:
1.Basic Warranty:Covers parts defects for months/2000 operating hours whichever comes first
2.Planned Maintenance Package:Scheduled inspections parts discounts technical support
3.Full Service Agreement:Covers all scheduled maintenance wear parts replacement guaranteed availability uptime

Financing Options available include capital lease operating lease project financing terms tailored project timelines

FAQ

What types of gold ore are best suited for this jaw crusher?
It is engineered primarily for hard competent ores typical lode deposits including freemilling quartz refractory sulphide ores It handles variability well but highly clayed material should be screened/scalped prior

How does this equipment integrate with my existing secondary circuit?
The crushers are designed deliver consistent product size range optimize performance cone crushers highpressure grinding rolls downstream Standard discharge heights conveyor speeds can be specified match your layout

What are realistic expectations operational cost savings?
Field data shows operators achieve1520 reduction energy costs per ton reductions spare parts inventory30 fewer unplanned stoppages related bearing liner failure Combined impact typically yields payback period2436 months based utilization

What commercial terms support available?
We offer structured payment plans milestonebased delivery FOB ExWorks CIF major port Incoterms Longterm service agreements provide predictable operating cost protect against budget overruns

What implementation timeline should we plan ?
From order placement delivery ranges1624 weeks depending model complexity Site installation commissioning supervised our engineers typically requires1014 days foundation preparation complete