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Materials
They usually adopt high-molecular materials, such as ultra-high molecular weight polyethylene. Such materials have excellent wear resistance, self-lubrication, corrosion resistance, impact resistance, and a low coefficient of friction.
Structure
They generally consist of a roller body, bearings, a shaft, and other parts. The roller body is made of high-molecular materials, and the bearings are installed on the shaft to enable the idler to rotate flexibly, reducing the resistance during the operation of the conveyor belt.
Advantages
- High wear resistance: It can effectively resist the wear of materials, extend the service life of the idler, reduce the replacement frequency, and lower the maintenance cost.
- Good self-lubrication: It can reduce the friction between the conveyor belt and the idler, making the operation of the conveyor belt smoother and saving energy consumption.
- Strong corrosion resistance: It has good tolerance to chemical substances such as acids, alkalis, and salts, and is suitable for various harsh working environments.
- Excellent impact resistance: It can withstand large impact forces and is not easily damaged, ensuring the stable operation of the belt conveyor.
- Lightweight: Compared with metal idlers, high-molecular idlers are lighter in weight, making them easy to install and maintain, and also reducing the overall load of the conveyor.
Application fields
They are widely used in belt conveyor systems in industries such as mining, coal, power, metallurgy, chemical engineering, and ports. They can effectively improve the conveying efficiency, reduce the operation cost, and are a type of conveying equipment component with good development prospects.