Top Ten Stone Crusher Machine Manufacturers Brochure
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 equipment that cannot adapt to variable feed materials or harsh operating conditions. Common pain points include:
Unscheduled Stoppages: Uncrushable material or mechanical stress leads to costly downtime, with field data indicating an average loss of 1525 productive hours per machine per quarter.
High Wear Part Replacement Costs: Inefficient chamber designs and suboptimal kinematics accelerate manganese liner wear, directly impacting your costperton metric.
Inconsistent Product Gradation: Fluctuations in feed size or hardness result in offspec product, forcing reprocessing and creating bottlenecks for downstream processes.
Excessive Energy Consumption: Older or poorly designed jaw crushers operate at fixed parameters, drawing maximum power regardless of actual load, which significantly increases your energy expenditure.
Is your primary crushing station a source of reliability or a recurring cost center? The right jaw crusher is not just about breaking rock; it's about achieving predictable throughput, controlling operational expenses, and ensuring continuous plant flow.
2. PRODUCT OVERVIEW: HEAVYDUTY JAW CRUSHER
This product line comprises a series of robust, singletoggle jaw crushers engineered for highcapacity primary crushing in mining, quarrying, and largescale construction recycling applications. The operational workflow is designed for maximum simplicity and reliability:
1. Feed Intake: Large feed opening accepts runofmine or runofquarry material directly from haul trucks.
2. Compression Crushing: The aggressive elliptical motion of the swing jaw applies high pressure to the feed material, fracturing it against the fixed jaw.
3. Discharge Setting Adjustment: The closedside setting (CSS) is hydraulically adjustable from a remote location, allowing quick product size changes without manual intervention.
4. Discharge & Conveyance: Crushed material exits at the bottom of the crushing chamber onto a primary conveyor for transport to secondary processing.
Application Scope: Ideal for hard rock (granite, basalt), abrasive ores, and recycled concrete with minimal rebar. Limitations: Not designed for sticky, clayrich materials without prescreening; maximum recommended feed size is 8085% of the feed opening dimension.
3. CORE FEATURES
Deep Crushing Chamber | Technical Basis: Extended nip angle and long linear crushing zone | Operational Benefit: Enables higher reduction ratios in a single pass and reduces bridging | ROI Impact: Lowers capital outlay by potentially eliminating a secondary crusher stage for certain applications
Hydraulic Toggle & CSS Adjustment | Technical Basis: Integrated hydraulic cylinder replaces traditional mechanical toggle plates | Operational Benefit: Provides overload protection against tramp iron and allows for safe, rapid adjustment of crusher settings under load | ROI Impact: Reduces downtime for clearing blockages and changing product specs by up to 70%
Quenched & Tempered Jaw Dies | Technical Basis: Manganese steel alloy subjected to controlled heat treatment | Operational Benefit: Increases workhardening capability and wear resistance throughout the die lifecycle | ROI Impact: Extends service intervals by 3050%, directly lowering consumable inventory costs per ton crushed
HeavyDuty Spherical Roller Bearings | Technical Basis: Largediameter bearings with automated grease lubrication system | Operational Benefit: Supports high radial and axial loads at pitman shaft ends under constant shock loading | ROI Impact: Proven bearing service life exceeding 25,000 hours under normal conditions minimizes risk of catastrophic bearing failure.
Fixed Jaw Die WedgeLock System | Technical Basis: Mechanically locked wedges secure front and rear die plates | Operational Benefit: Eliminates backing material (epoxy/zinc) requirement; enables faster, safer die changes with standard tools | ROI Impact: Reduces liner changeout time by approximately 40%, increasing plant availability.
PLCBased Automation Interface | Technical Basis: Crusher parameters integrated into standard industrial control protocols (e.g., Profibus, Ethernet/IP) | Operational Benefit: Enables realtime monitoring of power draw, CSS, and bearing temperature from the control room | ROI Impact: Facilitates predictive maintenance scheduling and optimizes crusher performance based on live feed data.
4. COMPETITIVE ADVANTAGES
| Performance Metric | Industry Standard Benchmark | Our Jaw Crusher Solution | Documented Advantage |
| : | : | : | : |
| Availability (Uptime %) | 92 94% annual average | >96% annual average (field verified) | +2 to +4 percentage points |
| Manganese Wear Life (Million Tons) | Varies by rock; ~0.8 1.2 MTon for abrasive granite| Achieves 1.5 1.8 MTon for same abrasive granite| +25% to +50% improvement |
| Energy Consumption (kWh/Ton) ~Hard Rock| ~0.8 1.1 kWh/Ton| Operates at 0.65 0.85 kWh/Ton via optimized kinematics & chamber design| Up to 23% reduction in specific energy |
| Tramp Iron Recovery Time (Minutes)| Manual clearing: 120 240 min.| Hydraulic release & reverse cycle: 85% |
5. TECHNICAL SPECIFICATIONS
Model Range Capacities: From 350 MTPH to 1,200 MTPH (hard rock application dependent).
Feed Opening Sizes: Ranging from 800mm x 510mm up to 1500mm x 1300mm.
Power Requirements: Main crusher motor from 110 kW up to 250 kW; total installed power including hydraulics varies by model.
Material Specifications: Highstrength fabricated steel main frame; quenched & tempered ASTMA128 Grade B3/B4 manganese steel jaw dies; forged alloy steel eccentric shaft.
Physical Dimensions / Weight: Approximate weights range from ~28 tonnes to ~75 tonnes; detailed foundation drawings are modelspecific.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C; dustprotected bearings and components standard.
6. APPLICATION SCENARIOS
Granite Quarrying Operation
Challenge: A large quarry faced frequent downtime due to "tramp" steel from drill bits contaminating the blast pile. Their previous crusher required full disassembly for clearing.
Solution: Implementation of our heavyduty jaw crusher with integrated hydraulic overload protection.
Results: Tramp iron events now resolved in under 30 minutes via remote hydraulic release cycle. Annual production increased by an estimated 8% due to recovered uptime.
LargeScale Infrastructure Project
Challenge: A contractor needed consistent 6inch minus base material from variable riverrun gravel on a tight timeline but had limited space for multiple crushing stages.
Solution: Deployment of a single deepchamber jaw crusher model capable of high reduction ratios.
Results: Achieved required product specification in a single pass at an average rate of 450 TPH, eliminating the need for a separate primary/secondary setup and reducing overall project equipment costs by 18%.
7.COMMERCIAL CONSIDERATIONS
Our heavyduty jaw crushers are offered in three primary configuration tiers:
Base Unit Tier: Includes core crusher with standard motor drives and manual lubrication system.
Performance Tier: Adds fully automated grease lubrication system PLC control interface package hydraulic adjustment system
Plant Integration Tier: Includes Performance Tier features plus customengineered skid base walkways ladders preinstalled chutes
Optional features include dust suppression systems special alloy liners for highly abrasive applications extended warranty packages
We offer comprehensive service agreements covering scheduled maintenance wear part supply programs remote diagnostic support Financing options including capital lease operating lease projectbased financing are available through our partners
8.FAQ
Q1 How do I determine if this jaw crusher is compatible with my existing primary feed conveyor?
A compatibility assessment requires reviewing your feeder discharge height conveyor width belt speed capacity Our technical team can provide detailed interface drawings based on your specific model selection
Q2 What is the expected impact on my overall plant throughput?
Field data shows that improved reliability typically increases overall plant availability by 24%. The exact impact depends on whether the primary crusher is currently your bottleneck which can be evaluated during a site audit
Q3 Are wear parts readily available?
We maintain regional inventory hubs for critical wear parts like jaw dies Standard lead times are 510 business days with expedited options available under service agreements
Q4 Can this machine process recycled demolition concrete?
Yes models can be specified with reinforced components However we recommend prescreening magnets postcrushing metal separation We will provide specific recommendations based on your expected rebar content
Q5 What training is provided for our operations maintenance staff?
We include comprehensive onsite commissioning training covering operation daily checks routine maintenance procedures Additional training modules are available through our service packages


