1. PAINPOINT DRIVEN OPENING

Are unpredictable maintenance cycles and component failures causing unplanned downtime that costs over $15,000 per hour in lost production? Is inconsistent final product gradation leading to rejected loads and contract penalties? Are your operational expenses being eroded by excessive energy consumption per ton of processed material and rapid wearpart replacement costs?

These are the critical challenges plant managers face with core crushing operations. The reliability and output quality of your primary stone crusher machine directly dictate your site’s profitability. The central question for engineering contractors and commercial buyers is this: how do you select equipment that provides not just raw power, but predictable performance, lower costperton, and adaptability to varying feed materials?

2. PRODUCT OVERVIEW

This product line encompasses heavyduty, stationary primary jaw crushers engineered for the initial reduction of hard rock, granite, basalt, and recycled concrete. The operational workflow is designed for maximum uptime: 1) Large feed material is loaded into the vibratory feeder hopper; 2) Material is consistently fed into the crushing chamber where a fixed and a moving jaw compress the rock; 3) The crushed product discharges onto the main conveyor at a preset CSS (Closed Side Setting), determining the maximum output size.

Application scope includes largescale quarry primary crushing, mining operations, and major infrastructure project aggregate plants. A key limitation is feed size; this machine is designed for large shot rock (typically up to 1200mm) and is not suitable for alreadyfined material or as a secondary/tertiary crusher without primary screening.

3. CORE FEATURES

Deep Crushing Chamber & Optimized Kinematics | Technical Basis: Increased nip angle and longer stroke at the chamber bottom | Operational Benefit: Achieves higher reduction ratios in a single pass, reducing load on downstream circuits | ROI Impact: Lowers total plant footprint and can decrease required number of crushing stages.

HeavyDuty Fabricated Frame with StressRelieving | Technical Basis: Computermodeled, welded steel construction thermally treated to eliminate internal stresses | Operational Benefit: Provides exceptional durability against shock loads and fatigue over a 20+ year service life | ROI Impact: Minimizes risk of catastrophic frame failure, protecting longterm asset value.

Hydraulic Toggle Adjustment & Clearing System | Technical Basis: Replaces traditional mechanical toggle plates with a dualacting hydraulic cylinder system | Operational Benefit: Allows remote adjustment of CSS for product size changes and permits automatic clearing of chamber blockages in minutes | ROI Impact: Reduces downtime for adjustments/clearing by up to 80% compared to manual systems, enhancing operational flexibility.

HighStrength Forged Eccentric Shaft | Technical Basis: Machined from a single piece of highalloy steel, supported by oversized spherical roller bearings | Operational Benefit: Sustains peak loads under toughest conditions with minimal deflection for consistent throughput | ROI Impact: Extends bearing life significantly, reducing major component replacement frequency and associated labor costs.

BoltOn Wear Liners & Modular Jaw Die Design | Technical Basis: Interchangeable liner plates protecting critical frame points and segmented jaw dies secured with wedges | Operational Benefit: Simplifies maintenance; individual die segments or liners can be replaced without removing entire assemblies | ROI Impact: Cuts wearpart replacement time by approximately 50%, lowering labor costs and inventory requirements.

Integrated Motor Base & VBelt Drive Guarding | Technical Basis: Unified baseplate for crusher motor and sheaves with full safety guarding | Operational Benefit: Simplifies installation alignment, reduces vibration transmission, and ensures operator safety compliance | ROI Impact: Reduces installation time/cost by up to 30% and mitigates risk of safetyrelated stoppages.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | Our Primary Jaw Crusher Solution | Advantage (% improvement) |
|||||
| Availability / Uptime | 9092% | 9496% | +46% |
| Avg. CostPerTon (Wear) | $0.85 $1.10 | $0.70 $0.90 | 1520% reduction |
| Energy Consumption (kWh/t) | Varies by model | Up to 12% lower than comparable models | Up to 12% improvement |
| Mean Time Between Failure (Major) ~6,000 hours ~8,500 hours ~40% increase |
| Adjustment / Clearance Time 46 hours manual 80% time savings |

5. TECHNICAL SPECIFICATIONS

Capacity Range: 500 1,800 MTPH (highly dependent on feed material & CSS)
Feed Opening: From 1,000mm x 650mm up to 1,500mm x 1,200mm
Power Requirement: 110 kW 300 kW electric motor (specific voltage/frequency per region)
Crusher Weight: From approximately 40,000 kg to over 120,000 kg
Key Material Specifications: Main frame – Highgrade steel plate (min. yield strength 355 MPa); Jaw dies – Premium manganese steel (1822%); Eccentric shaft – Forged42CrMo4 steel.
Physical Dimensions (Typical Large Model): Length ~7m; Width ~3.5m; Height ~4m (excluding feeder).
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C with appropriate lubrication systems. Dust sealing standard; optional kits available for extreme environments.

6. APPLICATION SCENARIOS

Granite Quarry Primary Crushing Expansion

Challenge: A granite quarry needed to increase plant throughput by 35% but had space constraints preventing a complete new circuit.
Solution: Replacement of an older primary jaw crusher machine with our highcapacity model featuring deeper chambers for greater singlepass reduction.
Results: Throughput increased by 38%. The improved reduction ratio allowed simplification of the secondary stage flow sheet within the existing footprint.

Major Highway Construction Base Aggregate Production

Challenge: A contractor faced strict gradation specifications for road base material with penalties for deviation. Their existing primary crusher produced inconsistent output due to uneven wear.
Solution: Installation of our jaw crusher with hydraulic toggle adjustment system.
Results: Operators could make precise CSS adjustments twice per shift in under five minutes each time via remote control. Product consistency improved dramatically—95% of loads met spec without recrushing or blending—eliminating penalty risks.

7. COMMERCIAL CONSIDERATIONS

Equipment pricing is structured into three tiers based on size/capacity:
1. Standard Duty Range (1400 MTPH): For maximum throughput in largescale mining/quarrying.

Optional features include automated lubrication systems integrated into plant PLCs automated wear monitoring probes advanced composite guards dust suppression spray bars

Service packages are offered as annual Planned Maintenance Agreements which include scheduled inspections priority parts dispatch discounted wear parts kits

Financing options available through partners include capital lease operating lease leaseto own structures tailored to match project cash flow timelines

8.FAQ

Q What are the foundation requirements for this stone crusher machine?
A Foundation design drawings are provided specific to each model Industry standards require a mass concrete foundation at least times the weight of the crusher itself Isolation from surrounding structures is critical

Q How does this machine handle tramp metal or uncrushable material?
A The hydraulic toggle system acts as a safety device If an uncrushable object enters the chamber pressure builds until the hydraulic system allows release automatically clearing once passed This prevents damage that would cause days of downtime

Q What is the expected operational lifespan?
A With proper maintenance per our guidelines industry data shows fabricated frame jaw crushers have a structural lifespan exceeding years Critical wearing components like jaw dies are replaced on cycles based on abrasiveness typically every months

Q Can we integrate this into our existing PLCcontrolled plant?
A Yes standard models come equipped with local control but are prewired for integration Common interfaces allow monitoring of motor amperage oil pressure temperature etc Remote start stop capability can be provided

Q What does delivery lead time typically look like?
A For standard models lead time ranges from weeks depending on configuration Customizations such as specific motor voltages may extend this A firm schedule is provided upon order confirmation

Q Are wear parts readily available globally?
A Yes We maintain regional warehouse stock for all common wear parts including jaw dies side liners toggle seats Guaranteed hour dispatch applies under our premium service contracts