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Installation method of loose ring of plane thrust bearing

by:JNSN     2021-12-12
Planar thrust bearings mainly bear axial load in the assembly, and they are widely used. Although the installation and operation of thrust bearings are relatively simple, errors often occur during actual maintenance, that is, the installation positions of the tight and loose rings of the bearing are not correct. As a result, the bearing loses its function and the journal is quickly worn out. The inner ring of the tight ring and the journal are in transitional fit. When the shaft rotates, the tight ring is driven and friction occurs with the end surface of the stationary part. When the axial force (Fx) is received, the friction torque will be greater than the resistance torque of the inner diameter fit, resulting in tight The matching surface of the ring and the shaft is forced to rotate, which intensifies the wear of the shaft journal. Therefore, the following points should be paid attention to when installing the thrust bearing. (1) Distinguish the tight ring and loose ring of the bearing (judging according to the inner diameter of the bearing, the difference in aperture is 0.1~0.5mm). (2) Distinguish the static parts of the mechanism (that is, the parts that do not move, mainly refer to the assembly). (3) No matter what the situation is, the loose ring of the bearing should always lean against the end face of the stationary part.
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