1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your project margins? For plant managers and engineering contractors, the crushing and screening circuit is often the primary bottleneck. Common challenges include:
Unscheduled Downtime: Bearing failures or structural fatigue in key components can halt entire operations, costing thousands per hour in lost production and labor.
High Maintenance Costs: Frequent liner changes, conveyor belt misalignment, and component wear demand excessive spare parts inventory and mechanic hours.
Inconsistent Product Gradation: Outdated or poorly configured screening leads to offspec material, causing recrushing cycles or rejected loads that impact revenue.
Energy Inefficiency: Older, directdrive systems and nonoptimized crushing chambers consume excess power without proportional output gains.
Rigid Plant Layouts: Fixed systems struggle to adapt to changing feed material or final product requirements, limiting operational flexibility.

Is your current equipment addressing these issues, or is it the source of them? The right primary crushing station is not just a purchase; it's a strategic investment in predictable throughput and controlled operating expense.

2. PRODUCT OVERVIEW: Primary Crushing Station

This product is a heavyduty, skidmounted or modular primary crushing station designed for the initial size reduction of runofmine (ROM) material, such as granite, basalt, or iron ore. Its integrated design consolidates feeding, crushing, and initial discharge into a single, preassembled system.

Operational Workflow:
1. Feed & PreScreening: ROM material is deposited into a vibrating grizzly feeder (VGF), which bypasses subfines directly to a side conveyor while directing oversize to the crusher.
2. Primary Size Reduction: Material enters a robust jaw crusher cavity where compressive force breaks it against a fixed jaw plate.
3. Discharge & Conveyance: Crushed product exits through the crusher discharge setting onto a main product conveyor for transport to secondary processing or stockpiling.

Application Scope: Ideal for quarrying, mining, and largescale civil construction projects requiring continuous, hightonnage processing of abrasive materials.

Limitations: Not suitable for sticky, clayrich materials without prior scalping; maximum feed size is constrained by crusher inlet dimensions.

3. CORE FEATURES

HeavyDuty Vibrating Grizzly Feeder (VGF) | Technical Basis: Highinertia eccentric shaft drive | Operational Benefit: Consistent feed rate to the crusher cavity eliminates surging and prevents chokefeeding | ROI Impact: Up to 15% higher average throughput by optimizing crusher load cycle

Hydrostatic Crusher Drive | Technical Basis: Direct hydraulic motor coupling to the crusher flywheel | Operational Benefit: Provides smooth startup under load, reversible operation for clearing blockages, and variable speed control | ROI Impact: Reduces mechanical stress by 40%, extending component life; lowers inrush current demand

WedgeBased Jaw Adjustment System | Technical Basis: Mechanically locked wedges replace traditional shim plates | Operational Benefit: CSS (Closed Side Setting) adjustments are completed in minutes versus hours with minimal operator intervention | ROI Impact: Cuts downtime for product gradation changes by over 80%, increasing plant agility

Integrated Bypass & Fines Chute | Technical Basis: Strategic internal geometry directing material flow | Operational Benefit: Removes natural fines prior to crushing, reducing cavity wear and unnecessary power consumption | ROI Impact: Lowers liner wear costs by an estimated 18% and reduces crusher load

Centralized Greasing & Lube Points | Technical Basis: Manifolded lubrication lines routed to key bearing points from accessible stations | Operational Benefit: Enables safe, routine maintenance in under 30 minutes without extensive disassembly | ROI Impact: Improves bearing life compliance with scheduled maintenance, preventing catastrophic failures

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard Benchmark | Our Primary Crushing Station Solution | Documented Advantage |
| : | : | : | : |
| Availability (Uptime) | 9294% (Scheduled & Unscheduled) | 96%+ (Field Data Average) | +24% Uptime Improvement |
| Liner ChangeOut Time (Jaw) | 812 Hours (Crew of 3) | 46 Hours (Crew of 3) | ~50% Faster |
| Power Consumption per Tonne| Baseline (100%)| Measured at ~92% of Baseline| ~8% Energy Reduction |
| Feed Size Flexibility| Requires strict topsize control| Handles +10% oversize without choke risk| Greater operational tolerance |

_Based on comparative field testing on identical feed material._

5. TECHNICAL SPECIFICATIONS

Capacity Range: 450 1,800 tonnes per hour (TPH), dependent on feed material density and crushability index.
Primary Crusher Type: Single Toggle Jaw Crusher.
Feed Opening: Ranging from 1,200mm x 800mm up to 1,600mm x 1,200mm.
Drive Power: Hydrostatic system powered by a Tier IV Final / Stage V compliant diesel genset or electric motor drive options from 150 kW to 350 kW.
Key Material Specifications: Crusher jaw plates manufactured from AR400 / Mn18 steel; structural frame from hightensile S355 steel; abrasionresistant wear liners throughout hopper and chutes.
Physical Dimensions (Typical): Skid length approx. 16m; width approx. 3.5m; transport height under 4.3m.
Environmental Operating Range: Designed for ambient temperatures from 20°C to +50°C; dustsealed bearings and electrical components standard.

6. APPLICATION SCENARIOS

Granite Quarry Expansion Project

Challenge: An existing quarry needed to double primary throughput but had limited space for new foundation works and needed to minimize plant shutdown during commissioning.
Solution: Implementation of a fully modular primary crushing station with a highcapacity jaw crusher. The station was preassembled offsite while civil work proceeded.
Results: The station was lifted into place over three days with minimal interference to existing operations. Throughput targets were met immediately postinstallation with reported energy savings of approximately $11k in the first quarter versus the older system.

LargeScale Infrastructure Development

Challenge: A remote highway construction project required onsite primary crushing of blasted basalt but faced severe logistical constraints on spare parts availability and skilled maintenance labor.
Solution Deployment of our primary crushing station featuring the simplified wedge adjustment system and centralized lube points alongside an extended service parts kit tailored for common wear items like VGF deck liners.
Results Operators were able to perform all routine adjustments unassisted. The project recorded zero unplanned stoppages attributable to the primary crusher over an eightmonth period despite processing over one million tonnes of abrasive material.

7. COMMERCIAL CONSIDERATIONS

Our primary crushing stations are offered in three core tiers based on capacity and feature sets:
1. Standard Duty Tier: For consistent feed under <800 TPH applications; includes core features with standard liner options.
2. HeavyDuty Tier (): For demanding >800 TPH operations with variable feed; adds hydrostatic drive as standard plus upgraded bearing packages.
3. Modular PlantReady Tier: Includes integrated walkways/service platforms prewired PLC control interfaces ready for full plant integration

Optional features include dust suppression systems automated lubrication systems remote monitoring telemetry packages

We offer comprehensive service agreements covering everything from scheduled preventive maintenance campaigns guaranteed parts availability programs Financing solutions including leasetoown models are available subject

8.FAQ

Q What if my incoming feed material size varies significantly?
A The heavyduty VGF design combined with our deepcavity jaw profile provides significant tolerance for topsize variation preventing bridging ensuring consistent feeding

Q How does this integrate with my existing secondary circuit?
A Our stations are engineered with standardized discharge heights conveyor interface points We provide detailed CAD layouts during quotation ensure compatibility

Q What is the typical lead time delivery?
A For standard configurations lead time ranges from weeks depending on final specifications complexity Modular designs require longer fabrication but significantly reduce onsite commissioning time

Q Are performance guarantees provided?
A Yes we provide guaranteed minimum throughput capacity based agreed upon crushability index your specific feed sample along mechanical availability guarantee when paired our service plan

Q Can this equipment be relocated multiple sites?
A Absolutely The skidmounted design built heavyduty transport frames allows relocation using conventional heavy haulage Minimal releveling required upon repositioning