1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your project margins? For plant managers and procurement specialists, selecting the right primary crushing equipment is a critical capital decision with longterm consequences. Common challenges include:

Excessive Downtime for Maintenance: Frequent liner changes and component failures can halt your entire production line for days, costing thousands per hour in lost output.
Unpredictable Wear Part Costs: Inconsistent material quality leads to rapid abrasion of crusher components, creating volatile and uncontrollable operational expenses.
Inconsistent Output & Product Shape: Poorly graded final product with excessive flaky content can cause issues in downstream processes like screening and secondary crushing, reducing overall plant efficiency.
High Energy Consumption: Older or inefficient crusher designs consume disproportionate power per ton of processed material, directly impacting your bottom line.
Rigidity to Feed Variation: Fluctuations in feed size or hardness often cause blockages or require manual intervention, slowing throughput and increasing labor costs.

The core question is: how do you achieve reliable, hightonnage reduction of hard rock and ores while maintaining control over your total cost of ownership? The answer lies in selecting a stone crusher machine engineered not just for peak performance, but for sustained profitability under realworld conditions.

2. PRODUCT OVERVIEW

This product line encompasses a series of highperformance Jaw Crushers designed as robust primary crushers for the most demanding mining, quarrying, and aggregate production applications. Engineered for continuous operation with abrasive materials like granite, basalt, and iron ore.

Operational Workflow:
1. Feed Intake: Large raw material (up to 1500mm) is loaded into the vibrating grizzly feeder, which bypasses fines to optimize crushing chamber loading.
2. Primary Reduction: Material enters the deep crushing chamber where a powerful eccentric shaft drives a moving jaw plate against a fixed jaw plate, applying compressive force to break the rock.
3. Discharge Setting Adjustment: The crushed material exits at the bottom at a size determined by the closedside setting (CSS), which is hydraulically adjustable for quick product grading changes.
4. Downstream Transfer: The crushed output is conveyed to the next stage of processing (secondary crushing or screening).

Application Scope & Limitations:
Ideal For: Primary crushing of hard, abrasive materials; stationary and semimobile quarry plants; highcapacity mining operations.
Limitations: Not suitable for sticky, plastic materials; requires a stable foundation and significant installation planning; maximum reduction ratios are typically lower than specialized tertiary crushers.

3. CORE FEATURES

Modular Jaw Design | Technical Basis: Bolttogether, nonwelded frame construction | Operational Benefit: Enables transportation to remote sites and reduces foundation requirements | ROI Impact: Lowers logistical and civil works costs by up to 15% during installation.

Hydraulic Toggle & Adjustment System | Technical Basis: Replaces traditional mechanical toggle plates with hydraulic cylinders | Operational Benefit: Enables remote adjustment of CSS for product control and provides automatic overload protection by releasing tramp metal | ROI Impact: Reduces downtime for setting changes by over 70% and prevents major damage from uncrushables.

Optimized Crushing Chamber Geometry | Technical Basis: Computermodeled kinematics and a deep symmetrical chamber | Operational Benefit: Promotes interparticle crushing for better shaped aggregate, increases capacity per unit of power draw | ROI Impact: Improves final product yield within specification by an average of 8%, enhancing downstream efficiency.

HeavyDuty Bearing & Forged Shaft Assembly | Technical Basis: Oversized spherical roller bearings on a highstrength forged eccentric shaft | Operational Benefit: Sustains peak loads from hard rock feeds with minimal heat generation and vibration | ROI Impact: Extends bearing service life by over 40%, reducing spare part inventory costs.

Integrated Motor Base & Belt Drive Guarding | Technical Basis: Unified base frame for crusher motor/vbelt drive with full safety guarding | Operational Benefit: Simplifies alignment during installation/commissioning; ensures operator safety compliance (OSHA/CE) from day one | ROI Impact: Cuts commissioning time by approximately 30 hours while mitigating regulatory risk.

Wear Part Metallurgy & Design | Technical Basis: Manganese steel jaw plates with optimized tooth profiles based on application analysis (feed type) | Operational Benefit: Increases wear life through workhardening properties; maintains consistent throughput longer between changes | ROI Impact: Field data shows a documented 2035% improvement in liner life compared to standard OEM offerings.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard Benchmark | Our Jaw Crusher Solution Documented Advantage |
| : | : | : |
| Availability (Uptime) | ~92% (incl. scheduled maintenance) |>96% due to reduced unplanned stops |
| Tonnage per kWh Consumed| Varies by rock type |>510% improvement in energy efficiency |
| Mean Time Between Failure (Key Bearings)| ~1215k operating hours |>20k operating hours |
| Wear Part Replacement Labor Hours| 1624 hours for jaw plate change|<12 hours with hydraulic assist tools |
| Product Shape Index (% Cubical)| Typically 82%, improving asphalt/concrete mix quality |

5. TECHNICAL SPECIFICATIONS

Model Range Capacity: 150 1,200 tonnes per hour (dependent on feed material and closedside setting).
Feed Opening Sizes: Ranging from 750mm x 500mm up to 1500mm x 1200mm.
Power Requirements: Main crusher motor from 75 kW up to 250 kW; total installed power including feeder/conveyor drives varies by plant configuration.
Material Specifications: Highstrength welded steel frame (Q345B); JAW Plates Mn18Cr2 / Mn22Cr2 optional; Eccentric Shaft 42CrMo forged steel.
Physical Dimensions (Approx., largest model): Length ~6m x Width ~3.5m x Height ~4m (excluding feeder).
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C. Dust sealing systems are standard; noise emissions comply with <85 dB(A) at one meter under load.

6. APPLICATION SCENARIOS

Granite Quarry Expansion Project

Challenge A quarry operator needed to increase primary throughput by 40% without expanding their existing plant footprint or foundation due to space constraints.
Solution Implementation of our modular jaw crusher with an optimized deepchamber design allowed higher capacity within similar external dimensions. The hydraulic adjustment system facilitated quick changes between railway ballast and concrete aggregate products.
Results Achieved a sustained throughput increase of 42%. Product shape improvement reduced recirculating load in the secondary cone circuit by an estimated 15%, lowering overall plant wear.

Iron Ore Processing Plant Upgrade

Challenge An aging primary crusher suffered from chronic bearing failures every 810 months due to extreme shock loads from direct dump feeding, causing costly line stoppages.
Solution Replacement with our heavyduty jaw crusher featuring the oversized bearing assembly and hydraulic overload protection system was specified.
Results After two years of operation, no bearingrelated issues have been reported. Plant managers report an estimated saving of over $50k annually in avoided downtime and emergency parts procurement.

7. COMMERCIAL CONSIDERATIONS

Our stone crusher machines are offered in clear pricing tiers based on model size and core configuration:
Standard Tier: Base machine with standard manganese jaws, mechanical Vbelt drive guards, basic tool kit.
Performance Tier: Includes hydraulic adjustment system upgraded bearing monitors wear part fastchange kits applicationspecific jaw plate profiles (+812% investment).
Premium Service Package Available separately includes extended warranty on major components planned maintenance inspections annual health check reports priority parts dispatch guaranteed response times

Financing options include traditional capital equipment leasing through our partners as well as projectbased financing solutions tailored for largescale greenfield developments

8. FAQ

Q What is the lead time for delivery after order confirmation?
A For standard models lead time is typically between weeks depending on final specifications Custom configurations may require additional engineering time

Q Are your machines compatible with existing conveyor systems or feeders from other manufacturers?
A Yes Our engineering team can provide interface drawings Our discharge heights belt widths are designed to common industry standards ensuring compatibility

Q How does your company support installation commissioning?
A We provide detailed foundation drawings comprehensive installation manuals Onsite supervision technical support during commissioning is available as part of an optional service package

Q What is your policy regarding wear spare parts availability?
A We maintain strategic stockpiles of critical wear parts Our commitment ensures availability within hours/days depending on location supported by guaranteed supply agreements

Q Can you provide sitespecific performance projections before purchase?
A Absolutely Based on your feed material samples target product gradation we will conduct crushability analysis provide detailed capacity power consumption wear life estimates

Q What training do you provide for operational maintenance staff?
A We offer standardized operational training videos manuals Onsite training sessions covering safe operation routine maintenance troubleshooting procedures are included with supervised commissioning