New cotton spinning equipment uses a large number of sealed bearings due to dust, heat and high speed requirements. After a certain period of operation of these bearings, the bearings are dry and damaged due to lack of oil inside. For example, the imported air-sea spinning machine has a large number of sealed bearings, and the material is good. However, after several years of use, the grease can not be cleaned and replenished, which causes a large number of sealed bearings to be scrapped, which increases equipment failure and unnecessary expenses.
Two simple and effective cleaning and refueling methods are introduced. The first type of sleeve cleaning and refueling method is suitable for sealed bearings with gaps at both ends of the bearing housing. The method is to first soak the bearing in the kerosene for 1 h to 2 h, and then make a special sleeve according to the outer diameter of the bearing, which can both clean and refuel. The inner diameter of the sleeve is slightly larger than the outer diameter of the bearing from 0.05 mm to 0.08 mm, which is slightly shallower than the bearing. Cleaning and refueling step: add appropriate amount of kerosene into the sleeve, press the bearing into the hand, use the gap of the bearing itself, squeeze the kerosene out, repeat 1 or 2 times; clean and drip before adding the required grease to the sleeve The bearing is placed in the sleeve and gently pressed with a pressure gauge. The bearing oil is flexibly controlled according to the demand. The second type is suitable for special fully enclosed bearings with a gap at one end and a set screw hole. Use the positioning screw hole to communicate with the bearing clearance, first soak the bearing in kerosene for 1 h to 2 h, inhale the kerosene with a special nozzle and oil gun, repeatedly drive the bearing 2 to 3 times, and then use the oil gun to lubricate the required lubrication. Add the fat to it.
The above methods are applicable to a variety of imported or domestic sealed bearings and special sealed bearings. If these bearings can be cleaned and refueled regularly, they will prolong their service life and save a lot of money and reduce the occurrence of bad cars.
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