Lubrication is an indispensable process in the use of fag bearings. However, there are many methods of lubrication, and various lubrication methods should pay attention to different problems in the process of lubrication, which leads to the user's Confused, today I will introduce to you the precautions for oil lubrication and grease of cylindrical roller bearings. 1. Grease lubrication The relubrication of cylindrical roller bearings is best carried out during the planned shutdown of the equipment and replenished regularly. At the same time, the old grease is removed or squeezed out through the drain hole. The grease nipple should be wiped clean before adding fresh grease. If the fag bearing housing does not have a grease nipple, the bearing housing cover or end cover should be opened to remove the old grease, and after cleaning, add fresh grease of the same type. 2. Lubrication of lubricating oil Regularly check the oil level and oil quality of lubricating oil. Under normal circumstances, the normal oil level should be within the range of 1/3-2/3 of the oil level window of the equipment or marked. The oil replenishment method is the oil cup, and the oil level displayed 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 lower than 1/4 of its total volume, and oil replenishment can be considered. . Inspection and oil replenishment methods, take out a small amount of lubricating oil as a sample and compare with fresh lubricating oil, and capable units can consider oil quality testing to ensure that the oil quality is qualified. If the sample looks cloudy, it may be the result of mixing with water, which is often referred to as oil emulsification, and the lubricating oil should be changed at this time. If the sample range darkens in color or thickens, it may indicate that the oil has begun to carbonize and the old oil should be completely replaced. If possible, flush the oil circuit with fresh lubricating oil. When replacing the lubricating oil, it should be ensured that the new and old types of lubricating oil replaced are the same, and supplemented to meet the required oil level. The grease used in the fag bearing must have an anti-rust effect, and the anti-rust agent should preferably be insoluble in water. The grease should have good adhesion and can form an oil film on the steel surface, which can be maintained even if the grease is full of water. Grease softens when machined, causing leakage. In the case of vibration applications, grease is thrown into the bearing from the cylindrical roller housing. If the mechanical stability of the grease is not sufficient, the grease will be continuously thrown out of the bearing, which will cause the mechanical disintegration of the soap structure and the use of the grease to be destroyed.
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