The service life of the outer spherical bearing is an important indicator in important mechanical equipment. It is necessary to understand and master the working condition of IKO bearing and predict and prevent the early failure of the bearing. There are usually the following main ways.
(1) Adopt advanced technology to improve bearing life and reliability. Including structural optimization design, processing technology reform, material selection and refinement, high efficiency and high degree of lubrication, fine assembly and installation, and so on.
(2) Strengthen the quality inspection and supervision of bearing products to ensure that the quality of the outer spherical bearing products meets relevant standards or design requirements.
(3) Strengthen the monitoring and diagnosis of IKO bearing working conditions, detect abnormalities early, and adopt preventive measures to prevent major losses caused by sudden accidents.
2. Fault diagnosis and detection system
Modern IKO bearing fault diagnosis technology is associated with sophisticated test systems and monitoring methods. At present, the more mature detection systems in practical applications are as follows.
(1) Bearing pulse side vibration device
After the bearing is fatigued (or fatigued), vibration is generated and the receiver converts the mechanical pulse signal into an electrical signal and amplifies it. When the number of pulses exceeds the normal range and the mutation is reached, the alarm is immediately issued and the outer spherical bearing is stopped.
(2) Bearing temperature alarm device
IKO bearings are poorly lubricated, surface wear or fatigue will cause the surface to heat up. When the heat reaches a certain limit temperature, the alarm will be issued and the bearing will stop running.
(3) Regularly check the current state of the bearing in operation, and find or monitor the existing defects and develop extremely.
(4) Ferrography diagnostic method
A sample of the grease of the working spherical bearing is periodically extracted, and the number, size and shape of the abrasive grains are detected by a spectrometer, and the degree of fatigue and wear can be found, and the sign of IKO bearing failure is found.
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