Date: 2013-08-20

Bearing cleaning process of standardization, procedures, simple

Bearing cleaning very critical issues, bearings, bearing before installation after demolition work will involves the cleaning of bearing. Angular contact thrust ball bearings cleaning standards, procedures, simplicity is key. Standardization is intended mainly to the cleaning process avoid cleaning mistakes errors, such as: cleaning of oil bearing selection, how to properly dry; programmed cleaning procedures mainly avoid the reversed the process, caused by chemical reactions between the contact surfaces, corrosion for bearing noise; simplicity is mainly targeted at large in the process of bearing or bulk bearing cleaning work. Bearing cleaning processes of standardization, procedures, and simple development matters needing attention:
1. under demolition when angular contact thrust ball bearings, bearings first record appearance, confirm that the residual amount of lubricant, after checking the lubricant used for sampling, wash bearings. As a cleaning agent, ordinary gasoline, kerosene.
2. angular contact thrust ball bearings down clean, coarse cleaning and fine precision wash, respectively in a container place the metal mesh on bottom, bearing no direct contact with the dirt container. Coarse cleaning, if you rotate the bearing with dirt will damage bearing rolling surface, should be addressed. In cleaning crude oil, with the brush of removing grease, adhesive, after largely clean, turn into sperm washing.
3. sperm washing, is in cleaning oil side the bearing rotated, while carefully cleaned. In addition, cleaning oil regularly to keep clean.
4. in order to determine if removing thrust angular contact ball bearings can be used to check after bearing wash, carefully check the roller surface, rolling surface, status, cage wear of the mating surfaces, the bearing clearance increases size precision down the injury, and there is no exception. Non-separation of small ball bearings, inner support level with one hand, rotate the outer ring to confirm fluency.
5. bearings-isolation bearings, rolling element and the Raceway in the outer ring can be respectively checked, large bearing is unable to rotate, check rolling element and the Raceway, cage, sidewall surface appearance, as high as possible the importance of bearing shall be carefully inspected.
6. heavy machinery cannot be manually rotated, so no load starting immediately after cutting off power, machinery idle, check for vibrations, noise, rotated part is contacted, and so on, after confirmed without exception, into the power running.
7. the power operation, starting from no-load speed, slowly increase to the rated operating conditions. Things to check for in the test run, is there abnormal sound, changes in temperature angular contact thrust ball bearings, lubricant leakage or discoloration, and so on. If you find an exception, should immediately suspend the operation, check the machine, if necessary, to remove the bearings check.

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