How to repair FAG bearings

The smoothing agent inside the FAG bearing can be roughly divided into oil and grease.

Repair method: preparation: dry towel, sharp tongs, FAG bearing cleaning night, FAG bearing smooth oil or smooth grease.

1. Dirty: Take the FAG bearing from the cleaning solution, and wipe the cleaning solution with a dry towel, then dry it in a cool place.

2. FAG bearing cleaning fluid: Immerse the FAG bearing in the FAG bearing cleaning fluid bought on the market, and swing it. The foreign matter inside the FAG bearing will be swayed in. Some supermarkets buy ultrasonic cleaning machines to eliminate foreign matter. Also very sponsored.

3. Inject the smoothing agent according to the trend to inject grease or oil into the FAG bearing, and cover the cover with a new C-shaped ring.

4. Remove the C-shaped ring and the cover: wipe off the dirty goods inside the FAG bearing with a dry towel, then use the pointed pliers to lift the side of the C-shaped ring and take the C-shaped ring and the cover.

5. Detection: For the FAG bearing that has been assembled into the original condition, use the fingers to grasp the inner ring and go backward several times.

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FAG bearing lubrication "four big" method

Oil bath lubrication

Oil bath lubrication is the most common lubrication method and is suitable for lubrication of low and medium speed FAG bearings. The method is to immerse a part of the FAG bearing in the groove, the lubricating oil is brought up by the rotating FAG bearing part, and then flows back to the oil groove oil surface should be slightly lower than the center of the lowest rolling element.

2. Drip lubrication

Drip oil lubrication is suitable for FAG bearing parts that need to supply lubricating oil quantitatively. The amount of dripping oil is generally one drop every 3-8 seconds. Excessive oil quantity will cause the temperature of FAG bearing to increase.

3. Circulating oil lubrication

The filtered oil is sent to the FAG bearing component by an oil pump, and the lubricating oil after passing through the FAG bearing is filtered and cooled for use. Since the circulating oil can take away a certain amount of heat and cool the FAG bearing, this method is suitable for FAG bearing parts with higher speed.

4. Spray lubrication

The dry compressed air is mixed with the lubricating oil through a sprayer to form an oil mist. In the FAG bearing, the airflow can effectively cool the FAG bearing and prevent the intrusion of impurities. This method is suitable for the lubrication of high speed, high temperature FAG bearing components.

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