1. PAINPOINT DRIVEN OPENING

Managing a stone quarry crushing plant presents persistent operational challenges that directly impact your bottom line. Are you contending with inconsistent final product gradation leading to rejected loads and lost revenue? Is unscheduled downtime for crusher maintenance or liner changes disrupting your production schedule, costing thousands per hour in idle equipment and labor? Do you face escalating costs from premature wear parts failure in abrasive environments, or from excessive energy consumption by inefficient crushing chambers? Furthermore, are you limited in your ability to quickly adapt your plant’s output to meet changing market demands for different aggregate specifications?

Addressing these issues requires a focused approach to the core of your operation: the primary crushing stage. The reliability and efficiency of your primary crusher set the tone for entire downstream processing circuit.

2. PRODUCT OVERVIEW: PRIMARY JAW CRUSHER FOR QUARRY APPLICATIONS

This product description details a heavyduty, stationary Primary Jaw Crusher engineered specifically for highcapacity stone quarry crushing plants. It is designed as the first critical size reduction stage, accepting large feed material directly from the quarry face.

Operational Workflow:
1. Feed: Runofquarry rock (up to 1.2m edge length) is delivered via dump truck into the crusher’s vibrating grizzly feeder (VGF).
2. PreScreen & Crush: The VGF removes fines and bypasses subsize material, directing only oversize rock into the deep, nonchoking crushing chamber.
3. Compression Breakage: The oscillating manganese steel jaw applies immense compressive force against the fixed jaw, fracturing the rock along its natural cleavage lines.
4. Discharge: Crushed material exits through an adjustable discharge opening, setting the maximum product size for the secondary circuit.

Application Scope & Limitations:
Scope: Ideal for hard rock quarries (granite, basalt, limestone) requiring high tonnage primary reduction. Suited for stationary plant installations.
Limitations: Not designed for ultraabrasive recycled concrete with high rebar content without specific modifications. Requires a stable concrete foundation and significant upfront capital investment.

3. CORE FEATURES

Deep Crushing Chamber | Technical Basis: Extended nip angle and long linear stroke | Operational Benefit: Enables higher capacity by drawing material deep into the chamber for effective breakage on every stroke | ROI Impact: Increases throughput by 1015% versus shallow chambers, maximizing asset utilization

HeavyDuty Frame Construction | Technical Basis: Fabricated from highintegrity steel plate with reinforced stress points | Operational Benefit: Provides longterm stability under cyclical loading, minimizing frame fatigue and alignment issues | ROI Impact: Extends structural service life beyond 20 years, protecting capital investment

Hydraulic Toggle Adjustment System | Technical Basis: Replaceable hydraulic cylinders for tensioning and clearing | Operational Benefit: Allows operators to adjust crusher settings and clear blockages in minutes from a central location | ROI Impact: Reduces downtime for setting changes by up to 80% compared to manual shim systems

Optimized Kinematics & Stroke Profile | Technical Basis: Computermodeled swing jaw motion for maximum throughput at a given power rating | Operational Benefit: Delivers higher reduction ratios with less wear on jaw dies per ton crushed | ROI Impact: Lowers costperton by improving wear life and reducing specific energy consumption (kWh/ton)

Integrated Motor Base & Belt Guard | Technical Basis: Unified baseplate for crusher, motor, and drive guards | Operational Benefit: Simplifies installation, ensures proper Vbelt alignment, and enhances site safety | ROI Impact: Reduces installation time and costs by approximately 25%

Centralized Automated Lubrication | Technical Basis: Programmable greasing system for all major bearings | Operational Benefit: Ensures consistent lubrication under all conditions, preventing bearing failures due to contamination or neglect | ROI Impact: Eliminates manual lubrication errors, extending bearing life by an average of 35%

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | Primary Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Availability (Uptime) | 9294% (scheduled & unscheduled) |> 96% (with hydraulic toggle & auto lube) |> 4% absolute increase |
| Wear Life of Jaw Dies (Abrasive Granite) | ~450,000 tons per set |> 550,000 tons per set |> 22% improvement |
| Specific Energy Consumption| ~0.8 1.0 kWh/ton |> 0.7 0.85 kWh/ton |> Up to 15% reduction |
| Time for CSS Adjustment / Clearance| 4590 minutes (manual) |> Up to 85% faster |

5. TECHNICAL SPECIFICATIONS

Feed Opening: 1,200mm x 830mm
Maximum Feed Size: 1,050mm edge length
Closed Side Setting (CSS) Range: 150mm 280mm
Capacity Range (@ given CSS): 450 750 metric tons per hour
Drive Power Requirement: 160 kW Electric Motor (200kVA supply recommended)
Total Weight (Crusher + Motor + Base): Approximately 48,000 kg
Key Material Specifications: Highstrength fabricated steel frame; Manganese steel jaw dies (14% / 18% / 22% Mn available); Forged alloy steel eccentric shaft; Spherical roller bearings.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dust seals protect internal bearings.

6. APPLICATION SCENARIOS

Granite Quarry Expansion Project

Challenge: A large granite quarry needed to increase primary circuit throughput by 25% without expanding its footprint or primary feed size.
Solution: Replaced an older jaw crusher with this new model featuring a deeper chamber and optimized kinematics.
Results: Achieved a 28% increase in average hourly tonnage at a similar CSS while reducing specific energy consumption by 12%. Payback period was calculated at under 24 months based on increased sales volume.

Limestone Quarry Facing High Downtime

Challenge: Excessive downtime from blockages and lengthy manual adjustments were limiting output and causing scheduling delays.
Solution: Implemented this jaw crusher with a hydraulic toggle adjustment system.
Results: Reduced total downtime related to adjustments and clearing by over 300 hours annually. This translated to an estimated additional 60,000 tons of crushed material available for sale each year.

7. COMMERCIAL CONSIDERATIONS

Our Primary Jaw Crushers are offered in clear pricing tiers based on size and configuration:
Base Configuration Tier: Includes crusher with standard manganese jaws, motor base,Vbelts,and drive guards.
Enhanced Operations Tier: Base configuration plus integrated automatic lubrication system,motor starters,and advanced wear monitoring sensors.
Optional features include different manganese steel grades,fixed or mobile skid bases,and various feeder options.Service packages range from basic commissioning and operator training to comprehensive multiyear performance contracts covering parts,labor,and scheduled inspections.Financing options including equipment leasingand rentaltoown plans are availableto help manage capital expenditure.

8.FAQ

Q:What is requiredfor foundation installation?
A:A detailed foundation drawing is provided.The crusher requiresa substantial reinforced concrete foundation designedto handle dynamic loads;our engineering team can reviewyour civil plans.

Q:What isthe typical lead timefor wear parts like jaw dies?
A.We maintain strategic stockof common wear parts.Guaranteed lead timesfor standard manganese jaw setsare between721 days dependingon location.

Q.How does this crusher integratewith my existing secondaryand tertiary circuits?
A.The discharge openingis fully adjustableto ensure optimal feed size distributionfor your cone crushersor further stages.Engineers can adviseon CSS settings tomaximize overall plant balance.

Q.What trainingis providedfor our operationsand maintenance teams?
A.Comprehensive onsite trainingis includedwith purchase,coversafe operation,routine maintenance procedures,and basic troubleshooting.Documentation includesfull manualsand parts lists.

Q.Are there performance guaranteesoffered?
A.Yes.Contractual performance guaranteesfor minimum throughputcapacityand maximum power consumptioncan be agreeduponbasedon your specific feed material analysis.

Q.What arethe payment terms?
A.Typical termsfor new equipmentare30% upon order confirmation,
40% upon notificationof readinessfor shipment,
and30% prior to shipment.Customterms maybe availablewith financing packages