1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your aggregate production margins? For plant managers and engineering contractors, the core challenges in primary crushing often center on three critical areas:

Unscheduled Downtime & High Maintenance Costs: Frequent liner changes, unexpected component failures, and lengthy repair cycles halt your entire processing line. Every hour of stoppage represents significant lost revenue and labor costs.
Inconsistent Feed & Throughput Bottlenecks: Variable feed size, moisture content, and material hardness cause chokeups or idle running, preventing your plant from achieving its rated capacity and compliculating downstream process stability.
Rising Operational Expenditures: Excessive energy consumption per ton of crushed material, coupled with high wear part replacement rates and the need for specialized maintenance crews, directly impacts your bottomline profitability.

How do you select a primary crushing solution that delivers not just raw power, but predictable performance, lower costperton, and the robustness to handle realworld feed conditions day after day?

2. PRODUCT OVERVIEW: Primary Jaw Crusher Plant

A stationary Stone Crusher Plant built around a heavyduty jaw crusher is engineered for the first reduction of hard, abrasive materials like granite, basalt, and river gravel. This system forms the critical foundation of any aggregate or mining operation.

The operational workflow is straightforward:
1. Feed: Quarryrun material (0800mm) is dumped into a vibrating grizzly feeder.
2. Separation & Crushing: The feeder removes fines and evenly directs oversize material into the jaw crusher cavity.
3. Primary Reduction: The fixed and moving jaw plates compress material against each other, breaking it to a nominal size (typically 150250mm).
4. Discharge: Crushed product is conveyed to the next stage of sizing or stockpiling.

Application Scope: Ideal for hightonnage primary crushing of hard rock in quarrying, mining, and largescale construction projects.
Limitations: Not suitable for sticky or claybound materials without prescreening; maximum reduction ratio is typically lower than that of cone or impact crushers for secondary stages.

3. CORE FEATURES

Deep Crushing Chamber & Optimized Kinematics | Technical Basis: Increased nip angle and longer linear crushing stroke | Operational Benefit: Enables higher throughput of large feed material while reducing the risk of bridging | ROI Impact: Field data shows up to 15% higher capacity compared to conventional chambers with similar feed openings.

HeavyDuty Fabricated Frame | Technical Basis: Stressrelieved steel plate construction with reinforced ribs | Operational Benefit: Provides longterm durability under cyclical loading, minimizing frame fatigue and alignment issues over a 20+ year lifespan | ROI Impact: Reduces longterm structural maintenance costs and preserves critical bearing alignments.

Hydraulic Toggle Adjustment System | Technical Basis: Replaceable hydraulic cylinders for tensioning and clearing | Operational Benefit: Allows operators to adjust crusher settings safely and clear blockages in minutes without manual intervention | ROI Impact: Cuts downtime for setting changes by over 80% compared to manual shim systems.

HighPerformance Bearing Assembly | Technical Basis: Spherical roller bearings with larger diameters and optimized lubrication paths | Operational Benefit: Supports greater loads at higher pitman speeds, running cooler with extended service intervals | ROI Impact: Industry testing demonstrates a 3040% longer bearing life under equivalent operating conditions.

BoltOn Wear Liners & Cheek Plates | Technical Basis: Modular design using quenched & tempered alloy steel | Operational Benefit: Simplifies replacement; operators can change liners without dismantling the crusher structure | ROI Impact: Reduces liner changeout time by half, lowering labor costs and increasing plant availability.

Integrated Motor Base & Drive Guards | Technical Basis: Unified baseplate for crusher, motor, and sheaves with full safety guarding | Operational Benefit: Simplifies installation alignment, enhances site safety compliance, protects drive components from debris | ROI Impact: Lowers installation costs by approximately 25% and mitigates risk of safetyrelated stoppages.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Average) | Our Jaw Crusher Plant Solution | Advantage (% Improvement) |
| : | : | : | : |
| Availability (Uptime) | 8590% (Scheduled + Unsched.)| >93% Documented Uptime| +5% to +8% |
| Cost per Ton (Wear Parts) | $0.025 $0.040/ton | $0.018 $0.028/ton | 25% to 30% |
| Energy Consumption | Specific Power Draw Varies Widely | Optimized Kinematics & Drive Efficiency | Up to 12% kWh/ton |
| Liner Change Time (Jaw Plates) | 812 Hours (Crew of 4) | 46 Hours (Crew of 3) | 40% to 50% |
| Mean Time Between Failure (Critical Bearings)| ~12,000 Operating Hours | >16,000 Operating Hours | +33% |

5. TECHNICAL SPECIFICATIONS

Model Designation: JC150
Feed Opening: 59” x 47” (1500mm x 1200mm)
Maximum Feed Size: 47” (1200mm) edge length
Closed Side Setting Range: 6” – 12” (150mm – 300mm)
Capacity Range (@ CSS): 550 – 950 STPH (500 – 860 MTPH), dependent on material type & gradation.
Drive Power Requirement: 300 HP /400 kW electric motor.
Total Plant Power Connection: Approx. 450 kVA including feeder & conveyors.
Crusher Frame Construction: Fabricated steel plate ASTM A36; stressrelieved.
Jaw Plates Material Specification: AR400 / Mn18Cr2 alloy steel.
Overall Plant Footprint (LxW): Approx. 65 ft x 45 ft (20m x 14m).
Operating Temperature Range: 20°C to +45°C (4°F to +113°F) with standard lubrication system.

6. APPLICATION SCENARIOS

Granite Quarry Expansion Project

Challenge: An existing quarry needed to increase primary crushing throughput by over 35% without expanding its permitted footprint or adding a second shift due to labor constraints.
Solution: Implementation of a highcapacity JC150 Stone Crusher Plant with an optimized deepchamber jaw profile and hydraulic adjustment system.
Results: Achieved a sustained output increase of 42%. The hydraulic toggle system reduced monthly setting adjustment downtime by 22 hours on average.

LargeScale Infrastructure Contract

Challenge A contractor for a major highway project faced highly variable feed material from multiple borrow pits—from weathered sandstone to very hard quartzite—causing frequent choke events in their existing primary crusher.
Solution Deployment of our Stone Crusher Plant featuring heavyduty fabricated constructionand an aggressive nip angle designedto handle variable hardness without bridging.
Results Throughput stabilized across allmaterial types; unscheduled stoppagesfor clearing fell by over 90%. Theproject met its aggregate supply schedulewith a documented 18% reduction incostperton for primary crushing.

7.COMMERCIAL CONSIDERATIONS

Our Stone Crusher Plants are offered in clear pricing tiers based on capacityand configuration:

• Tier I(500–700TPH): Base plantwith core jawcrusher,vibrating grizzlyfeeder,and productconveyor.Suitablefor standardhard rockapplications.• Tier II(700–900TPH): Enhancedplant withintegrated finesbypass chuteheavierdutyconveyors,and automatedlubrication system.• Tier III(900+TPH): Customengineeredsolutionwith dualfeeder optionsprescreencircuits,and advancedautomationcontrols packages.Optional featuresinclude dustsuppression systemsmetal detectionon feedersradio remotecontrolfor clearingoperationsand extendedwear partpackages.Service packagesrange frombasic commissioningto comprehensiveannual maintenancecontracts withemphasis onpredictive componentinspection.Financing optionsincluding equipmentleasing capitalexpense loansand rentaltopurchaseprograms areavailable tomatch projectcash flowrequirements

8.FAQ

Q:Whatis themaximum recommended compressive strengthof rockfor thisjawcrusherplant?
A:TheJC150plantis engineeredfor materialswith unconfinedcompressive strengthupto400MPa(58ksi).Formaterialsexceedingthisconsult ourengineeringteam fora suitabilityreview

Q:Canyourplantbe integratedintoanexistingprocessinglinewith differentbrandsof secondarycrushersandscreens?
A Yes.Allcontrolinterfacesarestandardized(PLCbased).We provideclearelectricalandmechanicalinterface documentstoensurecompatibilitywithyourdownstreamequipment

Q:Whatisthetypicalleadtimefromorderto commissioning?
A ForstandardTierIandIIplantsleadtimeis16–20weeks.CustomTierIIIconfigurationsrequireadetailedengineeringreviewforaccurate scheduling

Q:Doyouprovidewearpartconsumptionguarantees?
A Yes.Basedonprovidedfeedmaterialanalysisweofferperformanceguaranteesfortonnageprocessedper setofjawplatesunderdefinedoperatingconditions

Q:Whatoperator trainingisincluded?
A Comprehensiveonsitetrainingisprovidedduringcommissioningcoveringnormaloperationtroubleshootingbasicsafetyproceduresandroutinemaintenancechecklists

Q:Aretherefinancingoptionsforsmallercontractingfirms?
A Multipleflexiblefinancingsolutionsareavailablethroughourpartnernetworkincludingtailoredleases thattreatpaymentsasanoperatingexpense

Q:Whatisthewarrantystructureforthemaincrusherframeandcomponents?
A Themaincrusherframe carriesa10yearwarrantyagainstdefectsinmaterialandworkmanship.Majorcomponentslike theeccentricshaftbearingscarryawarrantyof2yearsor acertainoperatinghourthresholdwhichevercomesfirst