Double-Toothed Roller Crusher

  • Superior Sizing Accuracy: Engineered for high-precision crushing with minimal fines and consistent particle distribution.

  • High-Torque Shear Mechanism: Utilizes powerful counter-rotating teeth to tear and shear material rather than impact, reducing energy consumption.

  • Advanced Overload Protection: Features a robust spring-loaded safety system that automatically allows uncrushable materials to pass without damage.

  • Low Operational Noise: Designed with balanced mechanical components to ensure a quiet and stable working environment.

1. Product Overview

The Double-Toothed Roller Crusher is a high-performance industrial solution designed for the primary and secondary crushing of medium-hard materials such as coal, coke, clay, and limestone. By employing two counter-rotating rollers equipped with specialized teeth, the machine effectively shears and stretches material to achieve the desired output size. This method is particularly effective for sticky or wet materials that typically clog standard crushers, ensuring a continuous and efficient production flow in mining and metallurgy sectors.

2. Detailed Description

This machine features a modular design where the gap between the two toothed rollers can be adjusted to precisely control the final product size. The tooth geometry is optimized to maximize the reduction ratio while minimizing the generation of dust and excess fines, which is critical for high-value mineral processing. The drive system includes heavy-duty flywheels and a high-torque motor to maintain consistent crushing power under varying loads. Additionally, the entire structure is built with high-strength alloys to withstand the abrasive nature of industrial materials, significantly extending the service life of the wear components.

3. Why Choose Us

  • Exceptional Energy Efficiency: The shear-based crushing principle requires significantly less power per ton of material compared to traditional impact-based methods.

  • Unmatched Maintenance Ease: Features an open-frame design and replaceable tooth segments, allowing for rapid onsite servicing and minimal production downtime.

  • Integrated Safety Systems: Equipped with automated sensors and heavy-duty shock absorption to protect the internal mechanics from sudden impacts or power surges.

4. Specifications & Technical Data

Technical Parameter Specification Detail
Roller Diameter 400 – 1,200 mm
Roller Length 500 – 1,500 mm
Max Feeding Size ≤ 200 – 500 mm
Discharge Size 10 – 80 mm (Adjustable)
Processing Capacity 30 – 500 t/h
Motor Power 11 – 220 kW
Roller Speed 50 – 120 rpm

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