다울빛 이주여성 연합회

logo

한국어

정보마당

Bella2021.07.30 15:51
Click here for more details about 6205.2ZR FAG

Bearings are important parts of mechanical rotation, and the stiffness and temperature of the bearing will directly affect the efficiency of the bearing on the mechanical operation. In order to provide the rotation accuracy of the bearing, increase the rigidity of the bearing device, and reduce the vibration of the shaft when the machine is working, it is often used Preloaded rolling bearings, such as machine tool spindle bearings. What is preload?

The so-called pre-tightening is to generate and maintain an axial force in the bearing in a certain way during installation to eliminate the axial clearance in the bearing and produce deformation at the contact between the rolling elements and the inner and outer rings.

Due to the preload, the contact area between the rolling elements and the inner and outer rings will be elastically deformed, and the contact area will increase. The number of rolling elements involved in bearing the force will increase, and it is possible to roll in a range greater than 180 degrees. The body participates in the force, and sometimes it is even possible that all the rolling elements are subjected to force within the range of 360 degrees. This is definitely better than the case where a few rolling elements are subjected to force, and it can bear more load. From the above discussion, it can be seen that when the preloaded bearing is under the same load when it is working, its contact deformation must be smaller than that of an unpreloaded bearing. Therefore, the support rigidity of the bearing can be improved, and the bearing can also be compensated for in use. A certain amount of wear.
문서 첨부 제한 : 0Byte/ 5.00MB
파일 크기 제한 : 5.00MB (허용 확장자 : *.*)