Plastic Bearings

Plastic bearings are a new type of bearing product. They are made of polymer materials and are lightweight, low-noise, and wear-resistant. It is widely used in industrial production and mechanical equipment, becoming an ideal choice to replace traditional metal bearings.

The emergence of plastic bearings is mainly to solve the problems that traditional metal bearings are prone to rust, corrosion, and difficulty in lubrication in certain environments. Compared with metal bearings, plastic bearings have higher corrosion resistance and wear resistance, and can be used for a long time in humid, corrosive gas or liquid environments. Moreover, plastic bearings do not require additional lubricants, reducing maintenance costs and reducing noise and vibration.

Plastic bearings are made of polytetrafluoroethylene (PTFE), nylon, polyimide (PI), etc. Each material has its own unique performance characteristics. For example, PTFE bearings have the characteristics of low friction coefficient, self-lubrication, and high temperature resistance, and are suitable for operation in high-speed and high-temperature environments; nylon bearings have high strength and stiffness, and are suitable for occasions with large loads and low speeds. ; Polyimide bearings have good heat resistance and chemical stability, and are suitable for high temperature, corrosive gas or liquid environments.

The advantages of plastic bearings are not only reflected in the performance of their materials, but also in their lightness and ease of installation. Due to the lightweight plastic material, plastic bearings are relatively lightweight and easy to handle and install. In addition, plastic bearings have good self-lubricating properties and do not require additional lubricants, which can reduce maintenance costs and lubrication difficulties during work. In addition, the manufacturing process of plastic materials is relatively simple, the production cost is low, and mass production is easier to achieve.

However, plastic bearings have their limitations. Since plastic materials have relatively low strength and wear resistance, their load capacity and durability are somewhat limited compared to metal bearings. Therefore, in some high-load, high-speed environments, plastic bearings may not be suitable. In addition, due to the high thermal expansion coefficient of plastic materials, plastic bearings are prone to deformation in high temperature environments. Therefore, high-temperature resistant plastic materials should be selected in high-temperature environments.

In general, plastic bearings, as a new type of bearing product, have the advantages of being lightweight, low noise, and wear-resistant, and are widely used in industrial production and mechanical equipment. With the advancement of technology and the continuous improvement of materials, the performance of plastic bearings will be further improved, and it is expected to replace traditional metal bearings in the future and become a more ideal bearing choice.