Jaw crusher PE200X300 (3)

Jaw crusher PE200X300 (3)

The image shows a PE200×300 Jaw Crusher, a compact primary crushing machine commonly used in small-scale mining, quarrying, or industrial applications. The crusher is painted teal (greenish-blue) with large black pulleys featuring red rims — these are part of its mechanical drive system.

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🔍 Image Description:

• Main Body: Heavy-duty cast iron frame, robust and boxy in design, indicating it’s built to handle high impact and vibration.
• Pulleys: Two large counterweight pulleys mounted on top — one clearly visible in the foreground. These are part of the belt-driven mechanism that transmits power from the motor to the eccentric shaft, which drives the jaw motion.
• Red Accents: The red rim on the pulley and red center hub likely serve as safety or alignment markers, and may also be for aesthetic contrast.
• Setting: Appears to be inside a workshop or factory floor — concrete floor, tools, and other machinery parts in background, suggesting this unit is either newly assembled or being prepared for shipment.
• Model Marking: “PE200×300” indicates:
  • PE = Jaw Crusher model series (commonly used in China and similar markets).
  • 200×300 = Feed opening dimensions: 200mm wide × 300mm deep — suitable for medium-sized rocks or ores.

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⛏️ How It’s Used in Mining:

The PE200×300 Jaw Crusher is primarily used as a primary crusher in mining operations — meaning it’s the first stage of size reduction after excavation.

✅ Key Functions:

1. Breaks Down Large Rocks: Takes raw ore or rock (e.g., coal, limestone, granite, iron ore, copper) fed directly from a loader or conveyor and crushes it into smaller, manageable pieces.
2. Reduces Size for Secondary Processing: Outputs material ready for secondary crushers (like cone or impact crushers) or screens.
3. Simple & Durable Design: Ideal for small to medium mines where budget and maintenance simplicity are priorities. No complex hydraulics or electronics — mostly mechanical.

🔄 Working Principle:

• The crusher uses two jaws: a fixed vertical jaw and a moving horizontal jaw (driven by the eccentric shaft via the pulley system).
• As the moving jaw oscillates back and forth against the stationary jaw, rocks are crushed by compression between them.
• Material is fed at the top and exits through the bottom when the gap opens sufficiently.

💡 Typical Applications in Mining:

• Coal Mining: Crushing run-of-mine coal before cleaning or transport.
• Aggregate Production: Crushing granite, basalt, or limestone for construction aggregates.
• Metal Ore Processing: Pre-crushing copper, gold, or iron ore before grinding mills.
• Quarry Operations: Reducing blasted rock for further processing or sale as aggregate.

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📏 Specifications (Typical for PE200×300):

• Max Feed Size: ~200–250 mm
• Output Particle Size: Adjustable, typically 10–200 mm
• Power Requirement: ~15–22 kW (depending on configuration)
• Weight: ~800–1,200 kg
• Installation: Simple bolt-down base; often powered via belt drive from electric motor

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🏭 Why This Model?

The PE200×300 is popular among small-scale miners because:

• It’s affordable and easy to maintain.
• Requires no special skills to operate.
• Can be powered by standard industrial motors.
• Suitable for portable or semi-fixed setups.

It’s often seen in artisanal or small-scale mining (ASM) operations, especially in developing countries, where large-scale automation isn’t feasible.

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💬 In Summary:

This jaw crusher is a workhorse of small mining operations — breaking down big rocks into usable sizes using simple mechanical power transmitted through those big red-rimmed pulleys. Its rugged design and straightforward operation make it ideal for environments where reliability and cost-effectiveness matter more than automation or precision.