Among the core support components of belt conveyors, UHMW-PE idlers (made with ultra-high molecular weight polyethylene, UHMW-PE, with a molecular weight ≥ 3 million) are gradually replacing traditional steel idlers due to their superior performance, becoming the preferred equipment in industries such as coal mining, mining, and chemicals.

Compared to traditional idlers, UHMW-PE idlers offer significant advantages. They are highly wear-resistant, 5-7 times more so than carbon steel idlers, and have a low coefficient of friction, possessing self-lubricating properties. They do not stick to materials or bite the belt, extending conveyor belt life by approximately 20% and reducing drive energy consumption, requiring no additional lubrication maintenance. Furthermore, they are corrosion-resistant and low-temperature resistant, operating stably in environments ranging from -40℃ to 80℃, unaffected by strong acids, alkalis, and salt spray corrosion, making them suitable for harsh working conditions such as coastal areas, frigid northern regions, and chemical industries.

High-molecular-weight polyethylene (HMWPE) idlers weigh only one-third of steel idlers, making installation and replacement convenient and labor-saving. Their operating noise is 3-7 dB lower than metal idlers, effectively improving the workshop working environment. Mining models also possess anti-static and flame-retardant properties, eliminating spark hazards and meeting underground safety standards. Compared to ceramic idlers, they are more impact-resistant, less prone to cracking, and have lower maintenance costs.

Currently, UHMWPE idlers are widely used in coal, mining, cement, and port industries, with a service life exceeding 20,000 hours. They significantly reduce downtime losses and maintenance costs, making them an ideal replacement product that balances efficiency, energy saving, and safety.

This article was edited and compiled by Henan Jinhang Engineering Plastics Co., Ltd. (www.upeplastic.cn), with Jinhang as the editor. The company focuses on the research and development and production of HMWPE idlers. Reproduction is welcome, please indicate the source.