1. PAINPOINT DRIVEN OPENING

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

Unscheduled Downtime & High Maintenance Costs: Frequent breakdowns of key components like bearings, shafts, and liners lead to costly production halts and expensive, reactive repair bills.
Inconsistent Output & Poor Particle Shape: An unreliable feed opening or inefficient crushing chamber design results in uneven product gradation, increasing wear on downstream screens and crushers, and reducing the percentage of premium, inspec material.
Excessive Energy Consumption & Operational Inefficiency: Older or poorly designed jaw crushers operate with high power draw per ton of material processed, directly impacting your bottom line through energy bills and suboptimal capacity.

How do you select a primary crusher that provides not just a lower initial price, but demonstrably lower total cost of ownership? The solution requires equipment engineered for durability, efficiency, and simplified maintenance from the ground up.

2. PRODUCT OVERVIEW

The Wholesale Stone Crusher Machine is a heavyduty, singletoggle jaw crusher engineered for highvolume primary crushing in quarrying, mining, and demolition recycling applications. It is designed to process hard rock (granite, basalt) and abrasive materials with consistent performance.

Operational Workflow:
1. Feed Intake: Large raw feed (up to 80% of gape) is delivered via dump truck or loader into the vibratory grizzly feeder.
2. Primary Reduction: Material enters the deep, nonchoking crushing chamber where a robust eccentric shaft drives the moving jaw in an elliptical motion against the fixed jaw.
3. Discharge & Classification: Crushed material exits at the bottom discharge point at a preset closedside setting (CSS), ready for transport via conveyor to secondary screening or crushing stages.

Application Scope: Ideal for stationary primary crushing plants and largescale mobile setups processing medium to very hard abrasives. Limitations: Not designed for wet, sticky materials without prescreening; maximum feed size is constrained by modelspecific gape dimensions.

3. CORE FEATURES

Optimized Crushing Chamber | Technical Basis: Computeraided kinematics design with a steep nip angle | Operational Benefit: Promotes accelerated material flow downward, reduces slabby product, and minimizes chamber clogging | ROI Impact: Increases throughput by an estimated 1015% over conventional designs while improving final product shape for higher market value.
HeavyDuty Frame Construction | Technical Basis: Fabricated from highintegrity steel plate with reinforced stress points | Operational Benefit: Provides exceptional durability against shock loads and high fatigue stress over decades of operation | ROI Impact: Eliminates risk of frame failure/cracking—a major capital repair—extending functional machine life.
Integrated Hydraulic Toggle System | Technical Basis: Hydraulic cylinder replaces traditional mechanical toggle plates | Operational Benefit: Allows for quick, safe adjustment of the crusher discharge setting and provides automatic tramp iron release | ROI Impact: Reduces CSS adjustment time from hours to minutes and protects major components from uncrushable objects, preventing catastrophic damage.
Centralized Greasing System | Technical Basis: Singlepoint lubrication lines feeding all major bearing points | Operational Benefit: Ensures consistent lubrication to critical wear components during operation with minimal operator intervention | ROI Impact: Extends bearing service life by up to 30% and standardizes preventive maintenance routines.
BoltOn Wear Liners | Technical Basis: High manganese steel cheek and jaw plates secured with accessible bolts | Operational Benefit: Enables liner replacement without welding or complex disassembly in confined spaces | ROI Impact: Cuts liner changeout downtime by approximately 40%, maximizing equipment availability.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Competitor A) | Wholesale Stone Crusher Machine Solution | Advantage (% Improvement) |
| : | : | : | : |
| Avg. Liner Life (Abrasive Granite) | 180,000 tons | 250,000 tons | +39% |
| Power Consumption per Ton Output| 0.85 kWh/tonne| 0.72 kWh/tonne| 15% |
| Mean Time Between Failure (MTBF) Bearings| ~4,500 hours| >6,500 hours| +44% |
| Discharge Setting Adjustment Time (Mechanical vs. Hydraulic)| ~90 minutes| <10 minutes| 89% |

5. TECHNICAL SPECIFICATIONS

Capacity Range: Modeldependent; from 150 to 1,200 tonnes per hour (TPH).
Feed Opening: Options from 900mm x 600mm up to 1500mm x 1200mm.
Power Requirements: Main crusher motor from 75 kW to 200 kW; total plant power including feeder/conveyors specified per configuration.
Material Specifications: Highstrength welded steel frame (S355JR+); Fixed/Moving Jaws in Mn18Cr2 or Mn22Cr2 alloy steel; Eccentric shaft forged from EN24/34CrNiMo6 equivalent.
Physical Dimensions (Example Model): Approx. Length: 4.2m; Width: 3.1m; Height: 3.8m; Weight: ~28,000 kg.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dustsealed bearings rated IP66.

6. APPLICATION SCENARIOS

Granite Quarry Operation – Southeast Asia

Challenge: A highproduction quarry faced excessive wear costs on their primary jaw plates (~200k tons life) and struggled with energy costs exceeding budget due to an inefficient older crusher.
Solution: Implementation of our Wholesale Stone Crusher Machine with Mn22Cr2 jaws and optimized chamber geometry.
Results: Field data shows liner life extended to over 280k tons—a direct consumables saving of $12k per set change cycle—and a documented reduction in specific energy consumption of 0.14 kWh/tonne.

Urban Construction Waste Recycling – Europe

Challenge: Processing mixed demolition concrete with frequent tramp metal (rebar) contamination risked severe damage to the primary crusher, causing unpredictable downtime events.
Solution: Deployment of our jaw crusher equipped with the integrated hydraulic toggle protection system.
Results: The system has automatically released uncrushable metal nine times in the first year without damage. This prevented an estimated $55k in potential repair costs and associated production losses exceeding one week.

7. COMMERCIAL CONSIDERATIONS

Our wholesale pricing structure is based on a modular configuration approach:

• Base Equipment Tier: Includes core crusher assembly with standard motors/vbelts and manual settings adjustment.
• Enhanced Operations Tier: Adds integrated hydraulic toggle system, automatic greasing unit,and rubber damping pads for foundation stress reduction (~+1218% investment).
• Full Plant Integration Tier: Complete skidmounted solution including vibratory feeder,surge hopper,motor starters,and PLC control panel (~+3550% investment).

Optional features include dust suppression spray systems,various liner metallurgies,and custom discharge conveyor interfaces.Service packages range from basic commissioning support to comprehensive annual maintenance contracts with guaranteed parts availability.Financing options include leasetoown agreements tailored for CAPEX planning cycles.

8.FAQ

1.Q:What is required for foundation compatibility if replacing an older jaw crusher?
A.Field measurements are critical.We provide comprehensive foundation load diagrams.Due to optimized mass distribution,the dynamic forces are typically within ±15%of legacy units,making retrofitting feasible without complete foundation rebuilds in most cases.

2.Q:What is the expected impact on my overall plant throughput?
A.Based on site audits,increased reduction efficiency at the primary stage typically lifts total plant output by510%,as it alleviates bottlenecks at secondary/tertiary stages by providing a more consistent,finer initial product.

3.Q:What are your payment terms for commercial buyers?
A.We offer structured terms including30%downpayment upon order confirmation60%prior to shipmentand10%upon successful commissioning.Trade references are requiredfor these terms

4.Q:What is your lead time from order placementto delivery?
A.For standard modelslead time ranges between12and16weeks.Custom configurations may extend thisby4weeks.We provide detailed project milestone tracking

5.Q.How does your aftersales service network operate?
A.We maintain regional technical support hubswith certified engineers.Parts are stocked accordingto regional demand patternsguaranteeing availabilityfor critical wear componentswithin72hours formost territories

6.Q.Can this machine be integrated intoan existing automated control system?
A.The crushers PLCis equippedwith standard Modbus TCP/IPprotocol outputsfor key operational data(ampspressureCSS)t enabling integrationinto most SCADA systemsfor centralized monitoring

7.Q.What trainingis providedfor our operationsand maintenance teams?
A.Comprehensive onsite trainingis included covering safe operationroutine maintenance proceduresandtroubleshooting guidesWe also providevideo documentationandtechnical manuals