A Double Roll Crusher with segmented rolls is designed for high-capacity crushing of hard and abrasive materials, such as coal, limestone, and ores. The segments on the rolls are replaceable wear parts that enhance durability and allow customization for different applications.
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Key Features of Double Roll Crusher Segments:
1. Material Composition
– Typically made from high-chromium iron, manganese steel, or tungsten carbide for wear resistance.
– Some segments are hardfaced for extended service life.
2. Design Variations
– Toothed Segments: Provide better grip and crushing efficiency for sticky or fibrous materials.
– Smooth Segments: Used for fine crushing with minimal fines generation.
– Waffle or Diamond-Patterned Segments: Improve shear and impact crushing.
3. Modular & Replaceable
– Segments are bolted or welded onto the roll shafts, allowing easy replacement without dismantling the entire roll.
– Different segment profiles can be mixed for optimal performance.
4. Applications
– Primary or secondary crushing in mining, cement, and mineral processing.
– Ideal for materials with high abrasiveness (e.g., iron ore, slag).
Advantages of Segmented Rolls:
✔ Longer service life due to replaceable wear parts.
✔ Reduced downtime (only damaged segments need replacement).
✔ Customizable .jpg)
th patterns for different feed sizes and product requirements.
Maintenance Considerations:
– Regular inspection for wear and cracks.
– Proper torque on segment bolts to prevent loosening.
– Balancing rolls after segment replacement to avoid vibration issues.
Would you like recommendations on specific segment materials or suppliers?