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How to effectively extend the service life of bearings

wallpapers News 2020-12-04

Rolling bearings are a kind of precision mechanical support element. Bearing users all sincerely hope that the bearings installed on the main engine will not be damaged during the predetermined period of use and maintain its dynamic performance. However, the objective facts are sometimes unsatisfactory. Sudden bearing failure accidents can cause heavy losses to users. Therefore, how to make good use of rolling bearings is very important for users.


Method of bearing assembly

Because the bearing is a high-precision product, the improper assembly can easily cause damage to the bearing raceway and cause damage to the bearing. When assembling the bearing, there should be a special mold, and no knocking is allowed. When pressed into the shaft, only the small circle can receive the force, and the large circle can only receive force. When assembling, pneumatic or hydraulic pressure is required. The upper and lower molds should be outside the horizontal state when pressing. If it is tilted, the bearing channel will be damaged by the force, causing noise in the bearing.


Prevention of assembly foreign bodies

When the bearing is installed on the rotor for dynamic balancing, the iron filings produced during the dynamic balancing process can easily enter the bearing, so it is best to balance before installing the bearing. In order to facilitate assembly, some manufacturers add some oil or grease to the bearing cavity to achieve the lubrication effect during assembly. However, it is often difficult for operators to control the number. If a large amount of oil or grease accumulates in the bearing chamber, it will be very difficult for the bearing to rotate. It is easy to enter the inside of the bearing along the shaft. It is best not to coat the bearing chamber with oil or grease. If necessary, it must be controlled not to accumulate in the bearing chamber.


Bearing raceway noise

When the bearing rotates, the rolling elements roll in the raceway, producing a raceway sound and a smooth and continuous noise. It only attracts people\'s attention when the sound pressure level or pitch is extremely high.


Wuxi Spark Bearing Co., Ltd is a complete, one-stop bearing supplier and manufacturer. All bearings products are qualified and have passed the ISO 9001 certification. We have more than 12 years of experience in bearings, please contact us if necessary, we will reply to you as soon as possible.