Prediction and prevention of failure of IKO outer spherical bearing

    1. Ways to predict and prevent early failure of bearings
    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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Basic method for inspection and maintenance of IKO mill bearings

In general, if the IKO bearing is used correctly, it can be used until the fatigue life is reached. However, there will be accidents that are prematurely damaged and are not resistant to use. This early damage, as opposed to fatigue life, limits the quality of what is known as a fault or accident. Many of them are caused by inadvertent installation, use, and lubrication, and foreign objects intruding from the outside are insufficiently studied for the thermal effects of the shaft and the outer casing. Regarding the damage state of the rolling mill bearing, for example, the jamming of the ferrule rib of the roller bearing, as a cause, the lubricant is insufficient, unsuitable, the defect of the oil supply structure, the foreign matter intrusion, the bearing installation error, the shaft deflection If the song is too big, there will be coincidences of these reasons.
Therefore, it is difficult to know the true cause of the damage by only investigating the bearing damage of the rolling mill. However, if you know the IKO bearing's use of machinery, the conditions of use, the structure around the bearing, and understand the situation before and after the accident, combined with the damage state of IKO bearings and several reasons, it can prevent similar accidents from happening again.
    The precautions for the use of IKO bearings are as follows:
    Keep rolling mill bearings and their turnaround clean
    Even small dust that is invisible to the eyes can have a bad effect on the rolling mill bearings. Therefore, keep the area clean so that the dust does not intrude into the bearing.
    Use with care
    In the use of the mill bearing strong impact, it will produce scars and indentations, which is the cause of the accident. In severe cases, cracks and breaks occur, so care must be taken.
    Use the right mill operating tools
    Avoid replacing with existing bearing tools and use the right tools. We often emphasize the importance of tools because too many customers use the wrong tools in their installations to cause damage to the rolling mill bearings.
    Pay attention to the corrosion of rolling mill bearings
When operating the rolling mill bearings, the sweat on the hands can cause rust. Be careful to use a clean hand, it is best to wear gloves as much as possible.

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