frederick parker jaw crusher

Frederick Parker Jaw Crusher: Core of Modern Aggregate Production

The Frederick Parker jaw crusher remains a benchmark in crushing technology, renowned for its rugged construction and high efficiency in primary crushing applications. Designed for hard rock and abrasive materials, it forms the backbone of sand and aggregate production lines worldwide.

Key Features & Specifications

– Feed Opening: 800x500mm to 1500x1300mm
– Capacity: 50–800 TPH (varies with material hardness)
– Power: 75–400 kW electric motor
– Adjustable CSS: 50–250mm for precise output control
– Construction: Heavy-duty cast steel frame, manganese jaw plates

Model Max Feed Size (mm) Output Range (mm) Weight (tons)
Parker 800×500 650 50–150 12.5
Parker 1200×900 1000 75–200 28.3
Parker 1500×1300 1200 100–250 45.6

Screening & Secondary Crushing Integration

The Parker jaw crusher is typically paired with cone crushers or impactors for secondary reduction and vibrating screens to classify aggregates. A typical layout includes:
1. Primary crushing (Parker jaw) → 2. Secondary cone crusher → 3. Screening → 4. Sand washing (optional).

FAQ Highlights

– Q: How often should jaw plates be replaced? A: Manganese jaws last ~500–700 hours in granite; monitor wear monthly.
– Q: Can it handle recycled concrete? A: Yes, but pre-screen to remove rebar.
– Q: Minimum recommended CSS? A: Never below 50mm to avoid excessive wear.
– Q: Noise mitigation options? A: Acoustic enclosures reduce levels to <85dB.
– Q

Knowledge