1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your aggregate production margins? For plant managers and contractors, the core challenges with primary crushing often center on three critical areas: excessive maintenance cycles that halt your entire processing line, inconsistent output gradation that forces secondary crushers to work harder, and the high total cost of ownership from premature wear part failure. Each unscheduled hour of downtime can cost thousands in lost production and labor. Are you currently managing frequent liner changes, coping with vibrationrelated foundation damage, or struggling with capacity bottlenecks that delay project timelines? The selection of your primary rockbreaking equipment is a fundamental decision that dictates your site's productivity and profitability for years to come.

2. PRODUCT OVERVIEW

This content details a highperformance Jaw Crusher, engineered as a robust primary stone crusher machine. It is designed for the first reduction of hard, abrasive materials like granite, basalt, and river gravel into consistent, coarse aggregate.

Operational Workflow:
1. Feed Intake: Quarryrun rock (0800mm) is loaded into the vibrating grizzly feeder (optional), which bypasses fines to optimize crushing chamber efficiency.
2. Primary Crushing: Material enters the fixed and moving jaw assembly. The elliptical motion applies compressive force, breaking large stones against the corrugated manganese steel jaw plates.
3. ​Discharge: Crushed material exits through an adjustable discharge opening, setting the maximum product size. The CSS (Closed Side Setting) is hydraulically adjustable for quick product size changes.

Application Scope & Limitations:
Scope: Ideal for stationary primary crushing plants, portable wheeled units, and trackmounted mobile setups in quarrying, mining, and demolition recycling applications.
Limitations: Not suitable for sticky or claybound materials without prescreening. Achieves typical reduction ratios of 6:1 to 8:1; for finer final products, secondary cone or impact crushing is required.

3. CORE FEATURES

Deep Crushing Chamber | Technical Basis: Extended nip angle and long linear crushing path | Operational Benefit: Increases volume processed per cycle and delivers a higher reduction ratio in a single pass | ROI Impact: Reduces load on downstream equipment by producing bettershaped feed, lowering overall plant energy consumption.

HeavyDuty Frame Construction | Technical Basis: Fabricated from highgrade steel plate with reinforced stress points | Operational Benefit: Absorbs dynamic loads and resists fatigue cracking under continuous hightonnage operation | ROI Impact: Extends structural life beyond 15+ years in demanding environments, protecting capital investment.

Hydraulic Toggle Adjustment System | Technical Basis: Replaces traditional manual shim plates with a dualacting hydraulic cylinder | Operational Benefit: Allows remote adjustment of CSS in minutes for product changeover and provides automatic clearing of chamber blockages | ROI Impact: Cuts downtime for size adjustment by over 80% compared to manual systems.

Optimized Jaw Die Profile | Technical Basis: Computermodeled tooth geometry matched to feed material characteristics | Operational Benefit: Promotes interparticle crushing for improved efficiency and reduces premature wear at the bottom of the dies | ROI Impact: Increases manganese jaw plate life by an average of 2030%, directly reducing wear part costs per ton.

Integrated Motor Base & Belt Guard | Technical Basis: Unified chassis mounting for crusher, motor, and drive guards | Operational Benefit: Simplifies installation alignment, enhances site safety compliance, and protects drive components from dust and debris | ROI Impact: Reduces installation time by approximately two mandays and minimizes risk of unplanned stoppages from drive failure.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | This Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Wear Part Life (Jaw Plates)| Based on granite abrasion index of 0.20 | Enhanced alloy & profile design extends service interval| +25% longer operational life |
| Tonnage per Hour (TPH)| Rated capacity for equivalent feed opening size| Optimized kinematics increase throughput within same footprint| +1015% higher sustained output |
| CSS Adjustment Time| Manual shim system requiring crew intervention| Remote hydraulic adjustment from control panel|< 85% faster changeover |
| Energy Consumption (kWh/ton)| Average draw for compressive crushing action| Highefficiency flywheel design & direct drive configuration|< 8% lower specific energy use |
| Noise Emission at 10m| ~110 dB(A) during operation| Sounddampening mounts & enclosed drive guards|< 5 dB(A) reduction |

5. TECHNICAL SPECIFICATIONS

Model Range Capacity: 150 1,200 MTPH (depending on feed material & CSS)
Feed Opening: 900mm x 600mm up to 1500mm x 1300mm
Power Requirements: 75 kW to 250 kW electric motor (400V/50Hz or customizable)
Crusher Weight (Frame & Jaw): From 12,000 kg to 65,000 kg
Material Specifications: Highstrength quenched & tempered steel frame; ASTM A128 Manganese Steel jaw dies; SAE 4140 forged eccentric shaft.
Discharge Setting Range: Minimum CSS from 75mm to 200mm (model dependent)
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dustsealed bearings standard.

6. APPLICATION SCENARIOS

Granite Quarry Primary Station | Challenge: A largescale quarry faced weekly stoppages to manually adjust shims for alternating between rail ballast and road base products, losing over 6 hours of production weekly. Premature jaw wear at specific points was also increasing cost per ton.

Solution Implementation of a heavyduty jaw crusher with a hydraulic toggle system and optimized die profiles specifically engineered for highly abrasive granite.

Results CSS changes are now completed in under 30 minutes via remote control. Combined with extended wear life, this resulted in a documented 18% increase in annual production volume and a 22% reduction in cost per ton for wear parts.

Portable Contract Crushing Fleet | Challenge A mobile crushing contractor needed faster setup/teardown times between job sites and greater reliability to meet tight project schedules without incurring penalty clauses.

Solution Deployment of trackmounted jaw crusher units featuring an integrated motor base and preassembled feed hopper modules.

Results Plant mobilization time reduced by an average of four hours per move. Field data shows over 95% mechanical availability across three units in a single season, allowing the contractor to complete two additional projects within the same timeframe.

7. COMMERCIAL CONSIDERATIONS

Pricing Tiers: Offered across three valueengineered tiers:
Standard Duty: For intermittent use or less abrasive materials.
Heavy Duty (Recommended): Fullfeatured specification as detailed above.
Premium Duty: Includes additional monitoring sensors (temperature/vibration), premium bearing packages,and extended warranty.
Optional Features: Vibrating Grizzly Feeder (VGF), automatic lubrication systems,dust suppression kits,folding discharge conveyor extensions(for mobile units).
Service Packages: Choose from annual inspection plans,major overhaul support,and guaranteed critical parts availability programs.Service technicians are availablefor supervised commissioning.
Financing Options Flexible commercial leasing structures,tradein programsfor existing equipment,and projectbased financing can be arranged through partner institutions

8.FAQ

Q What power source compatibility do you offer?
A Our jaw crushers are typically supplied with electric motor drives compatible with global industrial voltages( e.g.,400V/50Hz ,460V/60Hz).Dieselhydraulic drive options are availablefor fully mobile or remote sites without grid power

Q How does this machine handle tramp metal or uncrushable material?
A The hydraulic toggle system acts as a safety device.If an uncrushable object enters the chamber,the hydraulic pressure releases allowingthe moving jawto yieldautomatically clearingthe chamber before resetting.This prevents major damage

Q What isthe expected lead timefor deliveryand commissioning?
A Lead times varyby model complexityand customization.For standard heavyduty modelsin stock configuration deliveryis typicallywithin1216 weeksFOB portCommissioning supportis scheduled upon confirmationof shipment arrival

Q Arewear parts readilyavailableand interchangeablewith other brands?
A We manufacturereplacementjaw plates side linersand other consumablesto exact OEM specificationsWhile designedfor optimal performancein ourchamber geometry keywear partsare notdirectly interchangeablewith other brandsensuringperformance integrityOur global warehouse network supportsrapid order fulfillment

Q Can this crusherbe integratedinto our existing automated plant control system(SCADA)?
A YesStandard modelsinclude provisionsfor remote monitoringof key parameters(crusher load motor amperage)with analogand digitaloutputsInterface protocols can be specifiedto enableintegrationwith mostmodern plantcontrol systems