The answer to the question of whether it is possible to use grease indefinitely is no. Because of excessive use of grease, there are many hazards to full complement cylindrical roller bearings. Grease has a good effect on full complement cylindrical roller bearings. It has good adhesion, wear resistance, temperature resistance, rust resistance and lubricity. It can improve high temperature oxidation resistance, delay aging, and dissolve carbon deposits. , to prevent the agglomeration of metal wear debris and oil pollution, and improve the mechanical wear resistance, pressure resistance and corrosion resistance. However, the greater the amount of grease filled, the greater the friction torque. The same filling amount, the friction torque of the sealed full complement cylindrical roller bearing is greater than that of the open full complement cylindrical roller bearing. After the grease filling amount is equivalent to 60% of the internal space volume of the full complement cylindrical roller bearing, the friction torque does not increase significantly. This is because most of the grease in the open full complement cylindrical roller bearing has been squeezed out, and the grease in the sealed full complement cylindrical roller bearing has also been lost. With the increase of grease filling amount, the temperature rise of full complement cylindrical roller bearing increases linearly, the same filling amount, the temperature rise of sealed full complement cylindrical roller bearing is higher than that of open full complement cylindrical roller bearing. It is generally believed that the grease filling amount of sealed rolling full complement cylindrical roller bearings should not exceed about 50% of the internal space. In general, the lubrication schedule for full complement cylindrical roller bearings is based on time. Equipment suppliers often develop lubrication schedules based on operating hours. Also, equipment suppliers often include guidance on the amount of lubricant during their maintenance planning process. For the staff, it is very common to change the lubricating oil in a short time, and often add too much grease. How to carry out anti-rust treatment for full-complement cylindrical roller bearings and the effect of sweat on full-complement cylindrical roller bearings: When anti-rust treatment for full-complement cylindrical roller bearings, the surface should be cleaned first, and the need for cleaning Choose an appropriate method according to the nature of the surface of the antirust and the conditions at that time. Generally, cleaning is divided into three types: solvent cleaning method, chemical treatment cleaning method and mechanical cleaning method. After cleaning, you can use filtered dry compressed air to dry, or use a dryer at 120 to 170 degrees, or dry with a clean gauze. Full complement cylindrical roller bearings must be coated with a layer of effective anti-rust oil, and some smaller full-complement cylindrical roller bearings can be immersed to adhere a layer of anti-rust grease to the surface. The temperature and viscosity of the rust grease achieve the purpose. The brushing method and the spraying method are suitable for some larger types of full complement cylindrical roller bearings, but it should be noted that there should be no accumulation when brushing to prevent leakage. Perfect fire protection and labor protection measures must be adopted when spraying. So why does sweat on your hands cause metal to rust? Human sweat is a colorless, transparent or slightly yellowish weakly acidic liquid with a certain salty taste, and its pH value is 5 to 6. In addition to sodium, potassium, calcium, and magnesium salts, it also contains a small amount of urea, lactic acid, and citric acid.
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