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The structure of the deep groove ball in the cableway and its application in the ropeway
Deep groove ball bearings are the most common type of rolling bearing. The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls and a set of cages. There are two types of single row and double row deep groove ball bearing models, deep groove ball structure is also sealed and open structure, open refers to bearing without sealing structure, sealed deep groove ball seal and dustproof, oil proof seal. The dust cover material is pressed by the steel plate, and only the dust entering the bearing roller can only be played in a simple manner. The oil-repellent type is a contact type oil seal, which can effectively prevent grease from overflowing the bearing.
2. Bearing construction
Deep groove ball bearings have the advantage of simple structure, and other types of manufacturing accuracy that are not too high. Therefore, it is easy to become a series of mass production, and the manufacturing cost is low, and the application is very common. In addition to the basic type, deep groove ball bearings also have various modified structures, such as: deep groove ball bearing dust cover, deep groove ball bearing ring with sealed rubber seal ring, deep groove ball bearing, large deep groove for ball gap The bearing capacity of the ball bearing has been installed, double deep groove ball bearings.
3. Bearing characteristics
Deep groove ball bearings are the most representative and widely used applications. Suitable for high speeds, even at high speeds, and extremely durable, no need for frequent maintenance. The bearing has the advantages of small friction coefficient, high limit rotation speed, simple structure, low manufacturing cost, easy manufacture and high precision. The range of sizes and various low-noise motors, automotive, motorcycle and general machinery industries in the form of precision instruments are the most widely used in the mechanical industry, a class of bearings. It is mainly subjected to radial loads and can also withstand certain axial loads. When the radial load with a larger pure radial force is selected, the axial load capacity is increased, and the contact angle is zero. When there is axial force, the contact angle is greater than zero. Generally, stamping wavy frames, body frames, and sometimes nylon frames are also used. Deep groove ball bearings are mounted on shafts and bearings, and axial displacement limits the axial clearance of the shaft or casing to deep groove ball bearings in both directions. Therefore, it can be used in the axial direction. In addition, this kind of bearing has a certain ability of self-aligning. When the 2'~10' is relatively inclined, the receiving hole can still work normally, but the service life of the bearing has certain curative effect. Stamped steel cage, deep groove ball bearing large bearing solid cage metal car.
Deep groove ball bearings are the most commonly used rolling bearings. Its structure is simple and easy to use. Mainly used to withstand radial loads, but when the radial clearance of the bearing increases, it has a certain angular contact ball bearing performance, can withstand radial load and axial load. Thrust ball bearings are not suitable when the speed is high, it can also be used to withstand pure axial loads. Deep groove ball bearing bearings have a lower coefficient of friction than other types of bearings of the same size and have a higher limit speed. However, it is not resistant to impact and is not suitable for heavy loads.
4. Working principle
Deep groove ball bearings are mainly subjected to radial loads and can also withstand radial and axial loads. When the radial load is only subjected to radial loads, the contact angle is zero. When the deep groove ball bearing has large radial clearance, it has the performance of angular contact bearing, can withstand large axial load, the deep groove ball bearing with friction coefficient is small, and the limit rotation speed is also high.