Plastic science popularization - about plastic bearings of those things

Plastic science popularization - about plastic bearings of those things

Advantages of plastic bearings

1.Plastic bearings are overall lubricating grease, long service life.

2.Plastic bearings can not produce rust and corrosion in the use of the situation and corrosion resistance, while the metal material bearings easy to rust can not be used in chemical plant solutions.

3.Plastic bearings relative to the quality of metal raw materials light, which is more suitable for modern lightweight design tendency.

4.Plastic bearings raw material costs are slightly lower than metal materials; plastic bearings are made by injection molding process is relatively suitable for mass production and manufacturing.

5.Plastic bearings in operation without a little noise, with a certain vibration-absorbing effect.

6.Plastic rolling bearings are suitable for high and low temperature test operation -200 ~ 250 degrees.

Plastic rolling bearing not only can be processed into the style of coupling, but also can be processed into plastic parallel rolling bearings, but the premise is made from raw materials must be improved through self-lubricating bearings in order to improve the comprehensive wear-resistant performance; and HONY Plastic in the level of plastic bearings customized with more than 20 years of experience in manufacturing customized work, the quality of the product is very guaranteed.

plastic bearing production process:

Raw materials - inner and outer ring production and processing, plastic ball or roller bearing production and processing, ball bearing (stamping processing or solid line) production - bearing installation - bearing finished products. Hony engineering plastics has more than 20 years of plastic bearing customization work experience, very worthy of your choice.

In the plastic bearing production process link, the most important link is.

1.Calcined link

Forging link is the main link to ensure the reliability and duration of use of bearings. After calcination, the raw material produces the embryo material of bearing throwing ring. At the same time, the organization of raw materials to carry out more closely coordinated structure, streamline, in addition to the quality of the whole process of calcination will affect the use of raw materials, which in turn affects the cost of the product.

2, Heat treatment process

The heat treatment link is the contemporary bearing throwing circle calcining and milling after continuous high temperature solution. Can effectively enhance the abrasion resistance strength of plastic bearings, but also affects the reliability of plastic bearings indicators and service life of the key aspects of the work.

3, Grinding processing link

Plastic bearing ring after heat treatment process need to carry out grinding processing, which is also to ensure that the plastic bearing measurement accuracy key link. Through the grinding process, the plastic bearing ring production process technology can basically be completed.

The difference between plastic bearings and metal bearings

Material differences in the application of bearing products are divided into plastic and metal, although the main function in the daily work is the same, but ultimately two categories of gap bearing goods, can be learned that there is still a very big difference, can be divided from the following:

1. Quality

Obviously plastic weight inherent requirements lighter than metal, so the processing of plastic bearings in the process is also extremely dominant, easier to do lightweight product design specifications.

2. Processing technology

General plastic bearings are made by injection molding process, simple process is very suitable for mass production of products, while metal bearings must be casting and other related processing technology, complexity leads to metal bearings can not do the requirements of mass production.

3. Performance

Plastic bearings, even if applied in harsh environments, will not be subject to environmental factors, resulting in rust, corrosion, leaching and other abnormalities. Metal bearings in this regard is difficult to ensure, because metal is very easy to reflect with acid, alkali, etc., resulting in corrosion.

4. Service life

Performance excellence, coupled with the whole is made of lubricating grease, resulting in plastic bearings have a relatively long service life, while the surface of the metal bearings once the lubricating grease is worn out, the service life will be jeopardized.

The Application of plastic bearings

1.Plastic bearings in deep sea equipment

Because of the ever-present risk of immersion, deep-sea industrial production faces great challenges. Plastic bearings commonly used in deep-sea industrial production lie in the raw materials of round ball and ball bearings, which can be permanently immersed in seawater.

2.Plastic bearings in catering and health drink equipment

The food industry has a lot of immersion safety hazards for bearings. First of all, from chemicals for cleaning to constant cleaning, bearings running in this field must solve many tests. Food-grade plastic bearings made from Acetal resin, Polypropylene or PEEK can provide an alternative to stainless steel plate bearings, which are too corrosive to use. However, plastic bearings can operate without any wetting, thus avoiding the risk of environmental pollution and the anxiety of flushing.

3.Plastic bearings in the pharmaceutical industry or chemical equipment

In the pharmaceutical industry or chemical industry, acetal resin corrosion-resistant bearings can be a good solution to a variety of aldehydes and fluoride, while polypropylene bearings have better corrosion resistance. If your application changes, PEEK bearings are suitable for conditions where a wide range of chemicals are present. Acetal resin corrosion-resistant bearings can be a good solution to many alcohols and fluoride, while PTFE bearings can provide excellent corrosion resistance.

4.Plastic bearings in the vacuum pump or clean room equipment

Plastic bearings generally operate more cleanly than metal bearings because they can operate without wetting and will not rust. Plastic bearings can also be configured with special low volatile perfluorinated grease, its degassing rate is very low, designed to be used in clean rooms and other relatively highly regulated conditions, such as excellent performance. This grease is often used in semiconductor equipment or space facilities and other applications.

5.Plastic Bearings in MRI Equipment

MRI scanners are high value machines that hospitals wish to operate again without high maintenance components. Plastic ball bearings are increasingly completely free of any magnetization when equipped with polymer, tempered glass or ceramic balls. They are particularly suitable for use in MRI X-ray machines or sensors that do not have any magnetic changes.