1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your project margins? For plant managers and contractors sourcing crushing equipment, the wrong choice leads to tangible losses: hours lost to manual clearing of bridge blockages, production bottlenecks from inconsistent feed size reduction, and budget overruns from premature wear part replacement. Consider your current operation: How much revenue is lost per hour of unscheduled maintenance? What is the true cost per ton when factoring in energy consumption and liner changes? Is your aggregate output consistently meeting spec, or are you facing costly recrushing and quality penalties? These are the operational challenges a strategically selected Chinese Stone Crusher Machine is engineered to resolve.

2. PRODUCT OVERVIEW

This product description details a heavyduty Jaw Crusher, a primary crushing machine designed for the initial size reduction of hard, abrasive materials like granite, basalt, and river rock. Its operational workflow is engineered for reliability: (1) Material is fed into the crushing chamber via a vibratory feeder or direct dump. (2) The reciprocating motion of a robust manganese steel jaw plate compresses material against a fixed jaw, applying immense pressure to fracture rock along its natural cleavage lines. (3) Crushed material discharges through an adjustable gap at the chamber bottom, determining final product size. This stone crusher machine is optimal for stationary quarry plants or semimobile skidmounted setups in mining and largescale construction. Its primary limitation is its typically coarse output; for finer aggregates, it must be paired with secondary crushing equipment like a cone or impact crusher.

3. CORE FEATURES

Hydraulic Toggle & Adjustment System | Technical Basis: Dualacting hydraulic cylinders replace mechanical toggle plates. | Operational Benefit: Enables remote adjustment of the discharge setting and provides automatic overload protection by releasing under uncrushable material. | ROI Impact: Reduces downtime for setting changes by up to 70% and prevents catastrophic damage from tramp iron, protecting major components.

Welded Steel Frame with StressRelief Design | Technical Basis: Fabricated from hightensile steel plate with finite element analysis (FEA) optimized ribbing and postweld heat treatment. | Operational Benefit: Eliminates frame fatigue failures under cyclical loading, ensuring structural integrity for longterm operation in highvibration environments. | ROI Impact: Extends machine service life beyond standard design cycles, delivering a lower total cost of ownership.

DeepSymmetry Crushing Chamber Design | Technical Basis: Optimized nip angle and elongated chamber geometry increase feed opening capacity and promote material flow downward. | Operational Benefit: Minimizes bridging and choking while increasing throughput capacity for a given power input. Your operators benefit from smoother feeding and higher hourly production rates.

Premium Manganese Steel Jaw Plates | Technical Basis: ASTM A128 Grade B3/B4 manganese steel castings workharden during operation, forming a wearresistant surface layer.| Operational Benefit: Provides extended service life in abrasive applications, with reversible designs allowing rotation for even wear utilization.| ROI Impact: Reduces consumable costs per ton by up to 30% compared to standard alloy plates.

Centralized Automated Greasing System | Technical Basis: Programmable pump delivers precise grease volumes to all key bearing points on timed intervals.| Operational Benefit: Ensures critical bearings are lubricated without manual intervention during operation, drastically reducing bearing failure risk.| ROI Impact: Lowers maintenance labor hours by approximately 50% and extends bearing service life by 40%.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | This Jaw Crusher Solution | Advantage (% improvement) |
| : | : | : | : |
| Availability / Uptime | 8590% (estimated) | Field data shows consistent >93% availability in comparable duty cycles.| +5% improvement |
| Wear Part Life (Abrasive Granite) | ~120,000 tons per set (estimated) | Documented case average of 150,000 tons before replacement required.| +25% improvement |
| Energy Consumption per Ton Crushed| Baseline 100% (estimated kWh/ton) | Independent testing demonstrates optimized kinematics reduce draw by ~8%.| 8% improvement |
| Discharge Setting Adjustment Time| 6090 minutes (manual shim adjustment)| Hydraulic system enables fullrange adjustment in under 10 minutes.| 85% reduction in time |

5. TECHNICAL SPECIFICATIONS

Model & Capacity: JC1200; Up to 750950 tonnes per hour (dependent on feed material and discharge setting).
Feed Opening: 1200mm x 850mm.
Power Requirements: 160 kW electric motor (220480V, 50/60Hz), supplied with softstart recommendations.
Material Specifications: Main frame – Q345B steel; Jaw plates – ASTM A128 Gr B4; Eccentric shaft – forged 42CrMo alloy steel.
Physical Dimensions: Approx. Length 4m x Width 3m x Height 3m (excluding motor skid).
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C with appropriate lubricants.

6. APPLICATION SCENARIOS

LargeScale Aggregate Quarrying Operation

Challenge: A granite quarry faced frequent production stoppages due to bridging in their old primary crusher and excessive liner wear costing over $80k annually.
Solution: Implementation of this hydraulicadjustment jaw crusher as the new primary unit.
Results: Bridging incidents reduced by over 90%. Combined with longerlife jaw plates, annual consumable costs decreased by approximately $22k while throughput increased by an average of 15%.

Major Infrastructure Road Project

Challenge: A contractor needed consistent Class I base course aggregate onsite but faced logistical delays from their fixed plant.
Solution: Deployment of this stone crusher machine on a semimobile skid base at the project site.
Results: Enabled ondemand crushing of blasted rock directly at the project site. This eliminated haulage costs for precrushed material (~$3/ton saved) and ensured justintime supply critical to maintaining project schedule.

7. COMMERCIAL CONSIDERATIONS

Equipment pricing is structured into three tiers based on configuration:
1. Standard Tier: Base machine with electric motor starter and manual greasing points.
2. Enhanced Tier: Includes centralized autogreasing system, hydraulic adjustment package, motorized feeder speed control.
3. Project Tier: Fully integrated semimobile skid package with walkways, safety guards integrated dust suppression spray system.

Optional features include dust encapsulation covers specific conveyor interfaces customdesigned feed hoppers Service packages range from basic commissioning supervision comprehensive annual maintenance contracts including scheduled inspections parts discounting Financing options can be structured through partner institutions including equipment leasing programs milestonebased payment plans

8.FAQ

1.Q What power source compatibility does this crusher have?
A The unit is designed around standard industrial threephase electric motors We provide specifications guidance for VFDs softstarters ensure compatibility your electrical infrastructure

2.Q How does this machine handle claycontaminated or wet feed material?
A While effective on hard rock performance can be impacted by high clay content We recommend prescreening where possible The deepchamber design offers better clearance than some competitors but consistent feeding sticky material remains an industrywide challenge

3.Q What are typical lead times delivery?
A Lead times vary based configuration order volume Standard tier units typically available within weeks confirmed order Project tier integrated packages require detailed engineering longer lead time

4.Q What warranty support provided?
A We offer months comprehensive warranty covering manufacturing defects parts Workmanship Extended warranty plans available purchase Warranty requires proper commissioning use recommended spare parts

5.Q Can you supply matching secondary tertiary crushing equipment?
A Yes We provide full circuit solutions including cone crushers impactors vibrating screens Conveyors ensuring compatibility optimize overall plant flow efficiency

6.Q Are technical drawings foundation plans provided?
A Yes Detailed general arrangement drawings foundation load data anchor bolt templates provided prior shipment facilitate civil works planning

7.Q What training provided for our operations maintenance team?
A We provide comprehensive onsite training covering safe operation routine maintenance procedures troubleshooting guides Critical training conducted during commissioning period