ceder rapids roller cone crusher

Cedar Rapids Roller Cone Crusher in Aggregate Production

The Cedar Rapids Roller Cone Crusher is a robust secondary/tertiary crushing solution for hard rock and abrasive materials in aggregate plants. Its patented roller bearing design reduces maintenance downtime while delivering consistent output gradation.

Key Features & Specifications

Model Max Feed Size Capacity (TPH) Power (HP)
MVP380X 7.5″ (190mm) 200-400 300
MVP450X 9″ (230mm) 300-600 400
MVP550X 10″ (250mm) 400-800 500

Notable features include:
– Automatic tramp relief system
– Hydraulic adjustment with push-button controls
– Patented “Rollercone” inter-particle crushing action

Typical Configuration in Sand & Gravel Plant

A standard production line might include:
1. Primary jaw crusher (e.g., Cedar Rapids JW42)
2. Cedar Rapids Roller Cone Crusher (secondary)
3. Vertical shaft impactor (tertiary shaping)
4. Multi-deck screening system
5. Sand washing equipment

FAQ Section

Q: What’s the typical reduction ratio?
A: 4:1 to 6:1 depending on closed-side setting.

Q: Recommended liner material?
A: Manganese steel for most applications, ceramic inserts available for highly abrasive materials.

Q: Minimum required clearance for maintenance?
A: 36″ (900mm) around crusher perimeter.

Project Case Study: Texas Limestone Operation

Application: Producing ASTM C33 concrete sand
Throughput: 550 TPH sustained
Configuration:
– MVP450X cone crusher
– 5/8″ CSS setting
– Achieved 95% passing 3/8″ with <5% oversize

Maintenance records showed liner life of 650,000

Knowledge