The choice of the ways of rolling bearing lubrication

Rolling bearing two kinds of commonly used lubricants lubricating oil and grease. When the peripheral speed of the shaft is smaller than 4 - 5 m/s, or the car cannot be used lubricating oil, lubricated by grease. Grease lubrication sealing structure of the method is simple, the grease is not easy to drain, little affected by temperature, plus a grease can use a long time. Lubricating oil has the advantage of small frictional resistance, and heat dissipation, it is mainly used for the bearings of high-speed and working environment temperature is higher. Brand to choose according to the requirement of the car manual of lubricating oil, and car maintenance cycle change in time, released after the old oil is to add new oil after cleaning of institutions, oil should be added to the line, or refueling and flush ( Depending on the auto specific structure, requirements) , and not more. TIMKEN bearing is a kind of important mechanical components, can give full play to the performance of a mechanical device depends on the bearing lubrication is proper, can say, lubrication bearing is necessary for the normal operation, it is to improve the bearing capacity and service life plays an important role. No matter what form of lubrication, lubrication in the bearings can play a role as follows: ( 1) To reduce the friction between the metal, slowing its wear and tear. ( 2) The formation of oil film increase the contact area, reducing the contact stress. ( 3) Ensure that bearing under high frequency contact stress, the normal operation over a long period of time, extend the fatigue life, 4) Eliminate friction heat, reduces the working surface of bearing temperature, to prevent burns. ( 5) Dust, rust and corrosion protective role. Therefore, correctly is very important for the normal operation of German TIMKEN bearing lubrication. Bearing lubrication design content mainly includes: the determination of reasonable lubrication methods in course of selecting lubricant and lubricant use quantitative juice and the determination of oil change period. Rolling bearing lubrication in general can be divided into oil according to use kinds of lubricant grease lubrication, and three categories and solid lubrication. Including lubricating oil has a wider temperature range than other lubrication way, more suitable for the work under the condition of high speed and high load bearing; At the same time, because the oil lubrication also has convenient equipment maintenance and replacement of lubricants, the friction pair in the system such as gear can at the same time the advantages of lubrication, so far, TIMKEN bearing lubrication is most common. Grease lubrication has simple sealing device, low maintenance cost and low cost advantages, the grease in the bearing of the functioning of the low speed, medium speed, medium temperature are common use. Especially in recent years anti-wear additives, improve the lubrication performance of the fat, the fat lubrication has been more widely used. If you use oil lubrication and can not meet the required bearing grease lubrication conditions, or failing to meet specific working conditions, you can use solid lubricant, or try to improve the lubrication performance of bearing itself. Bearing causes of noise is more complex, one is the bearing inner and outer surface wear. Due to the wear and tear, damage and shell, rolling bearing and the bearing axis of cooperate relationship, lead to axis deviation from the correct position, when axis at high speed movement produces sound. When the bearing fatigue, its surface metal flake, also can produce sound make bearing radial clearance increases.