1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your aggregate production margins? For plant managers and procurement specialists, selecting a reliable yet costeffective primary crushing solution is a critical capital decision fraught with operational risks. Common challenges include:

Excessive Maintenance Costs: Frequent liner changes, bearing failures, and unplanned repairs directly impact your bottom line and labor allocation.
Inconsistent Throughput & Product Shape: Suboptimal crushing chambers lead to poor reduction ratios, excessive fines, or irregular aggregate shape, affecting downstream process efficiency and product marketability.
High Energy Consumption: Inefficient drive systems and outdated crushing technology result in unsustainable power costs per ton of material processed.
Rapid Wear in Abrasive Applications: When processing hard rock or highly abrasive feed material, component wear life can be catastrophically short, driving up costperton metrics.
Limited Configuration Flexibility: Fixed crusher designs cannot adapt to changing feed stock or final product requirements without significant additional investment.

The central question becomes: How can you secure a robust primary jaw crusher that delivers fundamental reliability and efficiency without the premium price tag of toptier brands?

2. PRODUCT OVERVIEW

The subject of this specification is a heavyduty Primary Jaw Crusher, engineered as a costcompetitive entry in the stationary and portable crushing plant market. This machine is designed for the primary reduction of hard, abrasive materials such as granite, basalt, and river gravel.

Operational Workflow:
1. Feed Intake: Large feed material (up to specified feed opening) is deposited into the vibrating grizzly feeder (optional) or directly into the crusher's deep crushing chamber.
2. Compression Crushing: The robust eccentric shaft drives the movable jaw plate in an elliptical motion against the fixed jaw plate, applying immense compressive force to fracture the rock.
3. Discharge Setting Adjustment: The size of the crushed output product is controlled by hydraulically or mechanically adjusting the gap at the discharge point between the jaw plates.
4. Material Discharge: Crushed material exits the chamber onto the main plant conveyor for transport to secondary crushing or screening stages.

Application Scope & Limitations:
Scope: Ideal for quarry primary crushing, mining operations, and largescale construction waste recycling. Suitable for integration into both fixed plant and trackmounted mobile setups.
Limitations: Not designed as a tertiary crusher for producing sand or very fine aggregates. Maximum feed size and capacity are bound by model specifications; exceeding these parameters will result in accelerated wear and potential damage.

3. CORE FEATURES

Deep Crushing Chamber Design | Technical Basis: Optimized nip angle and longer linear crushing zone | Operational Benefit: Enables higher throughput with less wear on jaw plates per ton crushed | ROI Impact: Increases liner life by an estimated 1520%, reducing part change frequency and associated labor costs.

HeavyDuty Eccentric Shaft & Bearings | Technical Basis: Forged alloy steel shaft supported by oversized spherical roller bearings | Operational Benefit: Provides exceptional durability under shock loads from uncrushable material | ROI Impact: Minimizes risk of catastrophic bearing failure, a leading cause of extended unplanned downtime.

Hydraulic Toggle Adjustment System | Technical Basis: Replaceable hydraulic cylinders for setting adjustment and overload relief | Operational Benefit: Allows quick, precise CSS changes for product gradation control and automatic release tramp iron protection | ROI Impact: Reduces adjustment time by over 50% compared to manual shim systems, improving plant flexibility.

HighStrength Welded Steel Frame | Technical Basis: Finite Element Analysis (FEA) optimized frame construction with reinforced stress points | Operational Benefit: Ensures longterm structural integrity under constant highcycle loading | ROI Impact: Extends the functional lifespan of the core asset, protecting your capital investment.

EnergyEfficient Direct Drive System | Technical Basis: Vbelt drive from hightorque electric motor to flywheels eliminates gearbox losses | Operational Benefit: Delivers more usable power to the crushing chamber with lower mechanical complexity | ROI Impact: Field data shows up to 8% lower energy consumption per operating hour compared to older indirect drive designs.

Standardized Wear Part Geometry | Technical Basis: Commonality in jaw plate profiles across multiple models within our range | Operational Benefit: Simplifies inventory management for operations running multiple crushers; parts are readily available globally | ROI Impact: Lowers total cost of ownership through reduced spare part stockholding costs and faster procurement.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (EntryLevel) | Our Primary Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Liner Life (Abrasive Granite) | ~120,000 tons per set (14% Mn steel)| ~138,000 tons per set (18% Mn steel)| +15% |
| Average Power Draw @ Full Load| Based on motor rating only| Actual field measurement data provided per model| Up to 8% more efficient operation |
| CSS Adjustment Time (Mechanical vs. Hydraulic)| 4560 minutes (shim system)| <20 minutes (standard hydraulic system)| Over 55% faster |
| Bearing Service Interval (Grease)| 500 operating hours| 750 operating hours under normal conditions| +50% longer interval |
| Noise Level at 1 Meter| ~105 dBA| ~98 dBA with optional damping kits| ~7% reduction |

5. TECHNICAL SPECIFICATIONS

Model Designation: JC1200
Feed Opening: 1200mm x 850mm (47" x 33")
Maximum Feed Size: 750mm (29")
Closed Side Setting (CSS) Range: 100 250mm (4" 10")
Capacity Range (@ various CSS): 250 550 MTPH
Drive Power Requirement: 132 kW / 175 HP Electric Motor
Total Weight (Crusher Only): Approximately 28,000 kg
Key Material Specifications:
Frame Construction: Highgrade welded steel plate
Eccentric Shaft: Forged EN24 / SAE4340 alloy steel
Jaw Plates Standard Material：18% Manganese Steel
Cheek Plates：Highchrome iron alloy
Operating Temperature Range: 25°C to +40°C (13°F to +104°F)
(Specifications are indicative; exact figures depend on final model configuration.)

6. APPLICATION SCENARIOS

Quarry Primary Crushing Unit – Hard Rock Application

Challenge: A regional granite quarry faced frequent downtime due to premature failure of jaw plates on their existing primary crusher, achieving only ~90k tons per set. Costperton for wear parts was unsustainable.
Solution: Installation of our JC1200 Primary Jaw Crusher with optional heavyduty jaw plate configuration.
Results: Liner life extended to an average of 140k tons per set. Combined with faster hydraulic CSS adjustments during product changeovers,the operation reported a 22% reduction in total costperton for primary crushing over an annual review period.

Portable Plant Contractor – Multiple Site Recycling

Challenge: A demolition contractor needed a reliable primary crusher for their portable plant that could handle highly variable reinforced concrete feed without constant fear of damage from tramp metal.
Solution: Deployment of our trackmounted version featuring the same JC1200 crusher core with integrated hydraulic overload protection via the toggle system.
Results: The automatic release function successfully protected the crusher from uncrushable steel on multiple occasions.The contractor noted nearzero unscheduled stops due to tramp metal over one year,andthe consistent product shape improved secondary processing efficiency at their recycling yard.

7. COMMERCIAL CONSIDERATIONS

Our pricing strategy is structured to provide clear value at different commitment levels:

Base Equipment Tier: Includes core crusher with standard manganese jaws,motor mounts,and basic tool kit.Competitively priced for budgetconscious CAPEX projects.
Enhanced Production Tier: Base equipment plus integrated hydraulic setting adjustment,a larger capacity feeder,and wear monitoring sensors.Optimal for operations prioritizing uptime and automation.
Premium Durability Tier: All enhanced features plus upgraded heavyduty jaw plates,total grease lubrication system,and extended warranty coverage.Recommended for extremeabrasion or24/7operational environments.

Optional features include automated lubrication systems,dust suppression kits,and various motor configurations.Service packages range from basic commissioning supportto comprehensive annual maintenance contracts with guaranteed response times.Financing options including leasetoownand equipment rentalare available through our partner networkto assistwith cash flow management.

8.FAQ

1.Q:What isthe lead timefor deliveryof thisprimaryjawcrusher?
A.For standard models,inventory allowsfor shipment within68weeksfrom order confirmation.Custom configurations may require1012weeksbasedon component sourcing.

2.Q:Aretherecommended sparesto holdin inventory?
A.We providea recommended initial spares listincludingjawplates,toggle plates,andgrease.Thislistis customizedbasedonyour specificfeedmaterialandtargetedproduction volumesduringtheconsultation phase.

3.Q:Canyourcrushersbeintegratedintoourexistingplantwithdifferentbrandequipment?
A.Thecrushersaredesignedtostandardindustrydimensionsforfoundationsandfeed/discharge heights.Electricalinterfacescanbeadaptedtomeetyoursystemrequirements.Detailedinterface drawingsareprovidedfor engineeringreviewpriortopurchase

4.Q:Whatisthewarrantystructure?
A.Thestandardwarrantyis12monthsfromcommissioningor18monthsfromshipmentdatewhichevercomes firstcoveringmanufacturingdefectsinmaterialandworkmanship.Extendedwarrantypackagesareavailable

5.Q:Doyouprovideperformanceguarantees?
A.WeprovideguaranteesformachinecapacityandpowerconsumptionbasedonagreedfeedmaterialcharacteristicsandproductgradationtargetsTheseareoutlinedinthetechnicalproposalpriortoorder

6.Q:Whattrainingisprovidedforouroperatorsandmaintenancestaff?
A.CommissioningincludesonsiteoperationaltrainingWealsoprovidecomprehensivemaintenancemanuals partslistsandaccesstoonlinetrainingmodulesforsafeoperationandroutine servicingprocedures

7.Q:Arethereanyhiddencostsinvolvedwithinstallation?
A.OurofferincludesaclearlistofsupplieditemsFoundationdrawings,motorstarterrecommendations,andgeneral layoutguidanceareprovidedaspartoftheengineeringpackageCostsforexternalcivilworks electricalconnectiontosupplyandlocalcranagearetypicallytheresponsibilityofthebuyer