1） Design technology of bearings
The design of bearings is the key to ensuring their technical performance. With the continuous upgrading of operating conditions, the design of bearings also needs to be constantly innovated. At present, there are continuous changes and advancements in the structure, materials, and manufacturing processes of bearings to meet the constantly upgrading working conditions and high requirements.
In terms of bearing design, the main changes in recent years are reflected in the following aspects:
1. Structural innovation. Requirements include miniaturization, lightweighting, high efficiency, energy-saving, high temperature resistance, and low temperature resistance.
2. Material innovation. The application of materials such as new alloy materials, composite materials, ceramic materials, high-strength steel materials, etc.
3. Innovation in manufacturing processes. Such as high-speed machining technology, ultra precision machining technology, cold extrusion forming technology, layered forming technology, etc.
2） Manufacturing Technology of Bearings
The manufacturing technology of bearings has a crucial impact on their performance. In the manufacturing of bearings, strict process control is required to ensure the dimensional accuracy and surface smoothness of bearings, as well as to avoid the occurrence of internal oxidation and corrosion.
Currently, the development of bearing manufacturing technology mainly includes the following aspects:
1. Precision machining technology. Such as CNC machining technology, ultrasonic machining technology, laser machining technology, etc.
2. Forming and processing technology. Such as cold extrusion molding technology, hot extrusion molding technology, casting molding technology, etc.
3. Surface treatment technology. Such as chemical treatment technology, electrochemical treatment technology, coating treatment technology, etc.
3） Performance technology of bearings
The performance technology of bearings refers to the characteristics exhibited during their long-term use, including load capacity, speed, noise, friction, etc. The performance technology of bearings not only affects the lifespan of bearings, but also directly relates to the stability and reliability of mechanical equipment functions.
With the increasingly widespread application of bearings, bearing performance technology has entered a new stage of development, mainly reflected in the following aspects:
1. Optimization of bearing materials. Such as advanced alloy materials, high-temperature materials, and research on lubricating materials.
2. Development of lubrication technology. Such as the development of new lubricating oils and the application of intelligent lubrication.
3. Vibration and noise control technology. Such as vibration analysis technology, noise suppression technology, etc.
4） Causes of bearing failures and preventive measures
The causes of bearing failures are very complex, mainly including improper use, wear, corrosion, fatigue, etc. Therefore, bearing failure prevention is crucial. Preventive measures include multiple aspects such as bearing design, manufacturing, use, and maintenance.
Post time: Dec-04-2023