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 stem from the crusher itself. Common pain points include:

Excessive Wear Part Costs: Frequent replacement of manganese jaws or liners due to improper chamber design or substandard material, costing tens of thousands annually in parts and labor.
Unscheduled Downtime for Maintenance: Difficult access to the crushing chamber or adjustment systems leads to prolonged shutdowns for routine checks and liner changes, directly impacting your tonsperhour output.
Inconsistent Product Gradation: Fluctuations in feed size or hardness result in an offspec product, causing bottlenecks in secondary circuits and rejected loads.
High Structural Stress & Foundation Fatigue: Inefficient crushing motion and poor weight distribution transfer undue stress to the main frame and foundation, risking major structural repairs.
Inefficient Power Utilization: A significant portion of input energy is wasted as vibration, heat, and noise rather than being directed into the crushing action, increasing your cost per ton.

Is your primary jaw crusher a constant source of operational friction and cost? What if your core reduction equipment was engineered from the ground up to convert these challenges into measurable gains in reliability and throughput?

2. PRODUCT OVERVIEW

The [Manufacturer/Model Series] is a heavyduty, highcapacity primary jaw crusher engineered for the initial reduction of hard rock, ore, and demolition concrete. Its robust design is focused on maximizing uptime and minimizing costperton in demanding quarrying, mining, and largescale construction recycling applications.

Operational Workflow:
1. Feed Intake: Large feed material (up to 85% of crusher gape) is directed into a deep, nonchoking crushing chamber.
2. Aggressive Crushing Stroke: An optimized elliptical jaw motion applies compressive force directly onto the feed material, promoting a strong "first bite" and efficient breakage.
3. Material Discharge: The crushed material exits through a hydraulically adjustable closedside setting (CSS), ensuring consistent product size without manual shim adjustments.
4. Clearing & Protection: An automatic toggle plate protection system releases uncrushable material (tramp iron) to prevent catastrophic damage to the crusher's internal components.

Application Scope & Limitations:
Scope: Ideal for stationary primary crushing plants, portable wheeled plants, and mobile trackmounted setups processing abrasive materials like granite, basalt, quartzite, and recycled concrete with rebar.
Limitations: Not designed for ultrafine grinding or as a tertiary crusher. Maximum operational efficiency is achieved with proper prescreening to remove fines and correctly sized feed from an excavator or wheel loader.

3. CORE FEATURES

Deep Crushing Chamber | Technical Basis: Extended fixed jaw profile | Operational Benefit: Increased capacity per stroke and reduced risk of bridging/choking at the feed opening | ROI Impact: Higher average throughput (tph) over a shift reduces cycle times for downstream equipment.

Hydraulic CSS Adjustment | Technical Basis: Dualacting hydraulic cylinders replace manual shims | Operational Benefit: Operators can adjust product size in minutes under load or while stopped from a remote location | ROI Impact: Cuts downtime for product changeovers by over 70%, enabling rapid response to spec changes.

HeavyDuty Roller Bearing Design | Technical Basis: Spherical selfaligning roller bearings on the eccentric shaft | Operational Benefit: Handles high radial and thrust loads with greater efficiency than bronze bushings | ROI Impact: Lower operating temperatures reduce lubrication costs; proven bearing life extends major service intervals.

BoltOn Wear Liners | Technical Basis: Modular liner design with replaceable cheek plates | Operational Benefit: Protects crusher frame from wear; individual sections can be replaced without dismantling entire assembly | ROI Impact: Lowers longterm frame maintenance costs by confining wear to easily replaced components.

Integrated Motor Base | Technical Basis: Crusher, motor mount, and drive guards unified on a single baseframe | Operational Benefit: Eliminates complex alignment during installation or relocation; reduces site preparation time | ROI Impact: Faster plant commissioning/decommissioning cuts project timelines for contractors.

Automatic Lubrication System (Optional) | Technical Basis: Centralized greasing circuit for bearings & toggle mechanism | Operational Benefit: Ensures critical points receive correct lubrication volume on a timed cycle without manual intervention | ROI Impact: Mitigates bearing failure risk; reduces labor for daily maintenance checks.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Average Jaw Crusher) | Our Primary Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Liner ChangeOut Time (Fixed & Swing Jaw) | 812 hours (crew of 3) | 46 hours (crew of 3) | ~50% faster |
| Manganese Utilization (Liner Life) / Ton Crushed| Baseline = 100%| Up to 130% of baseline life| Up to 30% longer life |
| Power Consumption per Ton Output| Baseline = 100%| Approximately 90% of baseline| ~10% more efficient |
| Adjustment Time for CSS Change (20mm shift)| 6090 minutes (manual shims)| <10 minutes (hydraulic)| ~85% faster |
| Noise Level at Operator Station| ~110 dBA| ~103 dBA (with optional kit)| ~7 dBA reduction |

5. TECHNICAL SPECIFICATIONS

Model Example: JC1500
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 – 1 1 tph
Drive Power Requirement: 1 HP (1 kW), Vbelt driven
Crusher Weight (excluding motor): 1 lbs (1 kg)
Main Frame Construction: Fabricated steel plate, stressrelieved; heavyduty reinforced ribs.
Jaw Plates: Quenched & tempered 18% manganese steel standard; optional alloys available.
Operating Ambient Temperature Range: 20°C to +40°C (4°F to +104°F)
Specifications are modeldependent; consult detailed datasheet for specific configurations.

6. APPLICATION SCENARIOS

Granite Quarry Primary Station | Challenge: A southeastern US quarry faced premature liner wear (<500k tons) on their existing jaw crusher processing highly abrasive granite, coupled with weekly downtime for manual CSS checks. This led to high consumable costs and missed production targets during peak construction season. Solution: Installation of our JC1500 primary jaw crusher with bolton cheek plates and hydraulic adjustment system. Results: Liner life extended to over 1 tons before changeout required. CSS adjustments for seasonal product mix are completed during scheduled breaks without stopping production entirely. This contributed to an overall site throughput increase of %.

LargeScale C&D Recycling Plant Upgrade Challenge A metropolitan recycling facility processing demolition concrete with embedded rebar experienced frequent uncrushablerelated stoppages. Their previous crusher’s relief system was slowacting, leading to broken toggle seats and costly repairs every few months Solution Implementation of our primary jaw crusher equipped with an automatic hydraulic toggle relief system that instantly reverses the swing jaw to clear blockages Results In one year of operation zero instances of damage from tramp iron were recorded Downtime previously allocated to clearing jams was eliminated translating directly into higher monthly volume processed

Portable Plant Contracting Fleet Challenge An engineering contractor operating multiple portable crushing spreads needed faster setup/teardown times between job sites Their legacy equipment required extensive alignment procedures after each move increasing mobilization costs Solution Adoption of trackmounted primary jaw crushers featuring the integrated motor base package Results Plant relocation time reduced by approximately hours per move due to eliminated realignment The unified base also improved roadability reducing permit requirements

7 COMMERCIAL CONSIDERATIONS

Our primary jaw crushers are offered in multiple pricing tiers based on size capacity feature sets

Standard Configuration Includes Fabricated main frame standard manganese jaws hydraulic CSS adjustment basic lubrication system

Optional Features Upgrade packages include automatic lubrication systems dust suppression kits special alloy liners extended warranty on bearings drive guards

Service Packages Choose from three levels Basic includes commissioning parts warranty only Premium adds annual inspection discounted parts Advanced provides guaranteed uptime coverage with prioritized parts dispatch technician dispatch

Financing Options We work with third party financial institutions offer flexible leasing rental purchase plans tailored capital expenditure cycles Project based financing available qualifying large scale contracts

Contact us detailed quotation specific model requirements operational goals discuss optimal commercial structure investment

8 FAQ

What power source is required operate this primary jaw crusher
The crushers are designed electric motor drive via V belts Standard motors require high voltage three phase industrial power supply Specific voltage phase requirements depend model selected

How does hydraulic adjustment system impact maintenance compared traditional shim plates
It eliminates physical handling heavy shim plates reducing labor injury risk The system allows precise repeatable settings dial indicator remote station reducing human error potential adjusting under load possible certain models further reducing process interruption

Can this crusher handle recycled asphalt pavement RAP
While capable processing RAP significant RAP specific applications we generally recommend alternative configurations RAP can cause packing issues standard chamber designs For dedicated asphalt recycling consult our specialists appropriate equipment solutions

What typical lead time delivery new primary jaw crusher
Lead times vary model complexity Standard models typically available within weeks confirmation Custom configurations large stations may require weeks Detailed schedule provided upon order acknowledgment

Do you provide wear part recommendations based specific material being crushed
Yes Our technical service team analyzes your feed material composition abrasiveness compressive strength provide liner alloy recommendations optimize service life cost ton We offer several manganese steel grades ceramic composite options extreme abrasion applications