What are the characteristics of plastic bearing?

plastic bearing has the following characteristics:
1. Plastic bearing The plastic bearing as a whole is made of lubricating materials and has a long service life;
2. Plastic bearings will not rust and are resistant to corrosion during use, while metal bearings are easy to rust and cannot be used in chemical fluids;
3. The plastic bearing is lighter than the metal, which is more suitable for the modern lightweight design trend;
4. The manufacturing cost of plastic bearings is lower than that of metals; plastic bearings are processed by injection molding and are more suitable for mass production;
5. The plastic bearing has no noise during operation and has a certain vibration absorption function;
6. Sliding plastic bearing is suitable for high and low temperature work -200 ~ +250 degrees;

Wear-resistant plastic linear plain bearings:
Sliding plastic bearings can not only be made into the shape of a shaft sleeve, but also can be made into plastic linear sliding bearings, but the premise is that the material made of them must be improved by self-lubricating to improve their comprehensive wear resistance; for example, the common plastic linear bearings in the market That is, the material is made of engineering plastics modified by lubricants and reinforced fibers, and its wear resistance is very good;
Due to the many advantages of sliding bearings plastic bearings compared with metal sliding bearings, the production of plastic bearings is expanding, and the application of plastic bearing is also expanding. From fitness equipment to office equipment and the automotive industry, plastic bearings are used. , There is no car that does not use plastic bearings on the road.

POM and PA materials have good mechanical strength and wear resistance, and are suitable for making relatively precise plastic bearings. The working temperature is from -60°C to 100°C. The surface strength is high and smooth, and there is basically no tension. Their good self-lubricating properties High performance and low friction coefficient, on the basis of maintaining the traditional advantages of plastic bearings, can be applied to precision and high-speed operation. Among them, POM plastic bearings are the most widely used of all plastic bearings. Generally, the inner and outer balls are made of POM or PA, and the cage is made of glass fiber reinforced nylon 66 (GRPA66-25). The balls are glass balls, stainless steel balls or ceramic balls. This kind of plastic bearing performs well in an alkaline environment but is not suitable for running in an acidic corrosive environment.

characteristic:
1. High rigidity, high hardness, high impact strength even at low temperature;
2. Excellent elasticity and good creep resistance;
3. High thermal stability and very good dimensional stability;
4. Good sliding performance and wear resistance;
5. Physiological inertness, suitable for contact with food.
6. Not resistant to strong acid and strong oxidant, poor adhesion to paint
The main purpose:
Mechanical and electrical equipment, fitness equipment, food machinery, furniture and decoration building materials.

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