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FAG bearings in the use of grease matters needing attention

wallpapers Industry 2020-12-08
In the use of FAG bearings, the process of lubrication is indispensable. However, there are many methods of lubrication. The problems that should be paid attention to in the lubrication process of various lubrication methods are also different. Confused, today I will introduce to you what are the precautions for FAG bearings oil lubrication and grease.

1. Grease lubrication
The FAG bearing is best to be implemented during the planned equipment shutdown period and replenish it regularly. At the same time, remove the old grease or squeeze out the old grease through the drain. The grease nozzle should be wiped clean before adding fresh grease. If the FAG bearing box does not have a grease nozzle, the bearing box cover or end cover should be opened to take out the old grease. After cleaning, add fresh grease of the same model.
2. Lubricating oil
Check the oil level and quality of the lubricating oil regularly. Generally, the normal oil level should be within the range of 1/3-2/3 of the equipment oil level window or mark. The oil replenishment method is the oil cup, and the displayed oil level only represents the oil replenishment capacity, while the oil level of the cylindrical roller bearing box meets the operating requirements. The oil level in the oil cup is less than 1/4 of its total volume.
Inspection and replenishment methods, take out a small amount of lubricating oil as a sample and compare it with fresh lubricating oil. Capable units may consider conducting an oil quality test to ensure that the oil quality is qualified. If the sample looks like a cloud, it may be the result of mixing with water, that is, the oil emulsification often referred to, and the lubricant should be replaced at this time.
If the sample path becomes darker or thicker, it may indicate that the lubricating oil has begun to be carbonized, and the old lubricating oil should be completely replaced. If possible, flush the oil circuit with fresh lubricant. When replacing the lubricating oil, make sure that the new and old models of the replaced lubricating oil are the same, and add the required oil level.
The grease used in FAG bearings must have an anti-rust effect, and the anti-rust agent should preferably be insoluble in water. Grease should have good adhesion to form an oil film on the surface of the steel, which can be maintained even if the grease is filled with water. Grease will soften during machining, causing leakage. When there is a vibration application example, grease will be thrown into the bearing from the bearing seat. If the mechanical stability of the grease is not enough, the grease will continue to be thrown out of the bearing, which will cause the structure of the soap to mechanically disintegrate and the grease will be destroyed.

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