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How to determine whether the use of joint bearings meets technical requirements?
2025-04-25
The main factors affecting the use of joint bearings refer to whether the installation, adjustment, maintenance, and repair meet the technical requirements. According to the technical requirements for installation, use, maintenance, and upkeep, monitor and inspect the load, speed, working temperature, vibration, noise, and lubrication conditions of the bearings during operation. If any abnormalities are found, immediately identify the cause and make adjustments to restore them to normal.
Spherical Plain BearingOften due to improper installation, the stress state between various parts of the entire bearing system changes,Spherical Plain BearingThe internal factors that determine quality, such as structural design, manufacturing process, and material quality, are the three main factors that operate in an abnormal state and end the service life prematurely.
1) Design parameters: including the number of bearing rolling elements, ring wall thickness, and clearance.
2) Working conditions: During the operation of bearings, load, speed, and lubrication conditions have the greatest impact on the vibration of FAG imported bearings.
3) Installation parameters:Spherical Plain BearingCoordination with the shaft and bearing seatSpherical Plain BearingThe deviation and other factors during installation also have an impact on the vibration of FAG imported bearings.
4) Manufacturing errors of parts: including surface roughness of raceways and rolling elementsSpherical Plain BearingDeviation in texture and roundness. A large number of experimental studies have shown that the influence of waviness on bearing vibration is dominant, while the influence of surface roughness and roundness is relatively small.
After installation, in order to check whether the installation is correct, a running check should be carried out. Small machinery can be rotated by hand to confirm smooth rotation. The inspection items include poor operation caused by foreign objects, scratches, and indentations, unstable torque due to poor installation and processing of the mounting seat, excessive torque caused by small clearance, installation errors, and sealing friction, etc.
The temperature of joint bearings can generally be inferred based on the external temperature of the bearing seat. But using oil holes to directly measure the temperature of the outer ring of the bearing is more accurate.Spherical Plain BearingThe temperature gradually increases from the beginning of operation and usually stabilizes after 1-2 hours. If the bearing is not installed properly, the temperature will rise sharply, resulting in abnormal high temperatures. The reasons for this include excessive lubricant, small bearing clearance, poor installation, and excessive friction in the sealing device.Spherical Plain BearingIn situations of high-speed rotation, incorrect selection of structure and lubrication methods are also reasons for this.
Spherical Plain BearingOften due to improper installation, the stress state between various parts of the entire bearing system changes,Spherical Plain BearingThe internal factors that determine quality, such as structural design, manufacturing process, and material quality, are the three main factors that operate in an abnormal state and end the service life prematurely.
1) Design parameters: including the number of bearing rolling elements, ring wall thickness, and clearance.
2) Working conditions: During the operation of bearings, load, speed, and lubrication conditions have the greatest impact on the vibration of FAG imported bearings.
3) Installation parameters:Spherical Plain BearingCoordination with the shaft and bearing seatSpherical Plain BearingThe deviation and other factors during installation also have an impact on the vibration of FAG imported bearings.
4) Manufacturing errors of parts: including surface roughness of raceways and rolling elementsSpherical Plain BearingDeviation in texture and roundness. A large number of experimental studies have shown that the influence of waviness on bearing vibration is dominant, while the influence of surface roughness and roundness is relatively small.
After installation, in order to check whether the installation is correct, a running check should be carried out. Small machinery can be rotated by hand to confirm smooth rotation. The inspection items include poor operation caused by foreign objects, scratches, and indentations, unstable torque due to poor installation and processing of the mounting seat, excessive torque caused by small clearance, installation errors, and sealing friction, etc.
The temperature of joint bearings can generally be inferred based on the external temperature of the bearing seat. But using oil holes to directly measure the temperature of the outer ring of the bearing is more accurate.Spherical Plain BearingThe temperature gradually increases from the beginning of operation and usually stabilizes after 1-2 hours. If the bearing is not installed properly, the temperature will rise sharply, resulting in abnormal high temperatures. The reasons for this include excessive lubricant, small bearing clearance, poor installation, and excessive friction in the sealing device.Spherical Plain BearingIn situations of high-speed rotation, incorrect selection of structure and lubrication methods are also reasons for this.
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