kormann rockster stone crusher

Kormann Rockster Stone Crusher: High-Efficiency Aggregate Processing for Demanding Sites

Operational Challenges in Aggregate Processing – Are These Costing Your Operation?

1. Downtime from Blockages: Hard stone variations cause 18-32% unplanned stoppages in standard crushers
2. Fuel Consumption Overruns: Mobile units average 15-22% higher diesel costs than projected
3. Gradation Inconsistency: ±12% deviation from target specs requires reprocessing
4. Wear Part Replacement Costs: Manganese liners last only 60-80% of promised lifespan in abrasive conditions
5. Site Mobility Limitations: 45% of contractors report setup/relocation exceeding 2.5 hours

How does your current crushing solution measure up against these benchmarks?

Product Overview: Kormann Rockster Stone Crusher

Equipment Type: Track-mounted impact crusher with hybrid drive option
Primary Applications:

• Quarry primary/secondary crushing
• CD waste recycling (up to 500 MPA compressive strength)
• Road base production (0-80mm grading)

Operational Workflow:

1. Pre-screening removes fines (<10mm) before crushing
2. Impact chamber processes at 70-100 RPM rotor speed
3. Post-screen module delivers precise final grading

Limitations: Not recommended for continuous >600 MPA granite without wear package upgrade

Core Features Driving Operational ROI

Duplex System | Technical Basis: Parallel crusher/screen circuits | Operational Benefit: Single-unit primary/secondary processing | ROI Impact: 40% reduced equipment costs vs. two-stage setups

R800 Impact Chamber | Technical Basis: 4-bar rotor with hydraulic adjustment | Operational Benefit: -15% fines generation vs. hammer mills | ROI Impact: 22% higher saleable product yield

Hybrid Drive Option | Technical Basis: Diesel-electric power sharing | Operational Benefit: 30-35% fuel savings in screening mode | ROI Impact: $18,000 annual fuel cost reduction (400hr/month operation)

Remote Monitoring | Technical Basis: CAN-bus telemetry integration | Operational Benefit: Real-time wear part tracking (±5% accuracy) | ROI Impact: 17% lower inventory carrying costs

Competitive Performance Advantages

Technical Specifications

• Feed Capacity: ≤650 mm (R1200 model)
• Throughput Range: 90-280 tph (material dependent)
• Power Unit: John Deere Tier IV Final / electric option (132 kW)
• Operating Weight: 36,000 kg (standard configuration)
• Temperature Range: -25°C to +45°C certified operation

Proven Application Scenarios

Quarry Overburden Processing Challenge: Variable hardness limestone causing premature wear Solution: R1100DS model with X-change wear system Results: Achieved consistent gradation (±3%) and extended liner life by 140 operating hours (+37%)

Urban Recycling Operation Challenge: Space constraints requiring rapid setup/teardown Solution: R800 track unit with radio remote Results: Reduced daily mobilization time from 3h15m to <55 minutes, enabling additional shifts

Commercial Considerations

Base Configuration Pricing: €285,000 – €420,000 (model dependent)
Optional Upgrades:

• Hard rock package (+€32,500): Reinforced rotors, tungsten carbide tips
• Dust suppression system (+€18,200): Meets EN50 particulate standards
  Service Plans:
  Platinum Coverage includes biannual chamber inspections and wear part discounts

Frequently Asked Questions

Q1: What conveyor heights are supported for discharge?
A1: Standard discharge height of 3,200 mm adjusts ±15° with hydraulic folding

Q2: How does hybrid mode affect maintenance intervals?
A2; Diesel engine hours reduce by estimated40%, extending oil change cycles to600hrs

Q3; Can existing screen decks be retrofitted?
A3; Compatible with third-party4m² screens using adapter kits(lead time6weeks)

Q4; What’s the operational learning curvefor new crews?
A4; Certified operators typically achieve90+% efficiency within72operating hours

Q5; Is financing availablefor municipal buyers?
A5; Lease-to-own plans available through partner institutions(36–60month terms)