The plate of the roll crusher is the core wear-resistant component that directly contacts the material. Its design directly affects the crushing efficiency and equipment life. The plate is usually cast with high manganese steel or alloy steel, and the surface is processed with serrated or wavy convex structures. This tooth design can enhance the bite force and shear effect on the material, and is especially suitable for processing medium-hard materials such as coal and limestone. Under high-intensity working conditions, the plate will use materials such as chromium-molybdenum alloy to improve wear resistance, or strengthen the wear-resistant layer at the tip of the tooth through surfacing welding. Considering the convenience of maintenance, modern plates mostly adopt modular design, allowing the replacement of severely worn tooth blocks instead of the entire liner. During installation, it is necessary to ensure that the tooth arrangement forms a reasonable crushing angle, which not only guarantees the output but also avoids material blockage. With the development of technology, some manufacturers have begun to use composite material plates, such as steel matrix inlaid with carbide teeth, to achieve a better balance between impact resistance and wear resistance. In general, the design of the plate needs to take into account the crushing efficiency, wear life and maintenance cost, and flexibly adjust the material and tooth parameters according to the characteristics of the material.
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Roll-type crusher roll plates
Roll-type crusher roll plates
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