NEWS
Linhai Baiai Metal Forgings Co., Ltd.
26
2021
-
07
Bearing maintenance
Author:
In order to give full play to the bearing and maintain its due performance for a long time, it is necessary to do regular maintenance. Through appropriate regular inspections, it is very important to improve productivity and economy to detect faults early and prevent accidents before they occur.
(1) Cleaning
When disassembling the bearing for inspection, first make a record of the appearance with photography or other methods. In addition, confirm the amount of remaining lubricant and sample the lubricant before cleaning the bearing.
The cleaning of the bearing is divided into rough washing and fine washing, and a metal mesh rack can be placed at the bottom of the used container. When rough washing, use a brush to remove grease or adhesions in oil. At this time, if the bearing is rotated in oil, be careful that the rolling surface may be damaged by foreign matter. Slowly rotate the bearing in oil during fine washing, and proceed carefully. Commonly used cleaning agents are neutral non-water-containing diesel or kerosene, and sometimes mild alkaline liquids are used as needed. But no matter what kind of cleaning agent is used, it must be filtered frequently to keep it clean. After cleaning, immediately apply anti-rust oil or anti-rust grease on the bearing.
(2) Inspection and judgment
In order to judge whether the removed bearing can be reused, it is necessary to check its dimensional accuracy, rotation accuracy, internal clearance, mating surface, raceway surface, cage, and sealing ring. Regarding the inspection results, it can be judged by those who use inertial bearings or who are proficient in bearings. The criteria for judgment vary according to the mechanical performance, importance, and inspection cycle. If the following damage occurs, the bearing must not be reused and must be replaced.
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