The preparing work before installation of bearing

A, before the bearing is installed, should use the appropriate measuring tools according to the provisions of the technical requirements on the design drawing check the shaft and hole and machining quality of parts ( Such as dimensional accuracy and shape accuracy and surface roughness, etc. ) 。 Second, the shaft and bearing hole assembly there such as bruising, burr, rust stain on the surface or solid particles ( Such as abrasive dust, sand, clay) Such as existence, not only can make the bearing installation difficulties and make the installation position is not correct, and solid particles such as falling into a bearing inner grinding effect, when bearing rotating grinding or bruising bearing surface of the work in Japan, so must be checked carefully before installing, if found to have the above defects, should be corrected. For example using oil file to remove burrs, bump touch mark, rusty spot, with fine abrasive cloth lighting, and like a clean solid particles, dirt, etc. Three, the new bearing to cleaning work before assembly, to remove rust inhibitor on the bearing. Because each manufacturer coating antirust is different, so the cleaning methods are also different. For the anti-rust oil sealed bearings, application of aviation gasoline or benzine to clean. For bearing adopts besmear antirust oil seal, with light mineral oil (first Such as oil no. 10) , heating to 80 ~ 90 ℃ dissolve, and then the bearing into among them, gently shaking, after waiting for antirust oil dissolved out, finally clean with gasoline after cooling. Four, manual cleaning bearing technological process is: unpacking, cleaning oil removal, cleaning, drying, further and storage. When cleaning, going in a tank, coarse washing tank and clean in the cleaning tank, the final must do to ensure high purity of cleaning the tank clean. When cleaning, do not use hand direct contact with the bearing. Use special tools ( Such as tweezers) Support bearing inner ring, outer ring rotation, to check whether the bearing rotation is flexible, determine whether the bearing cleaning clean. Bearing in indoor air after cleaning or in 50 ~ 60 ℃ drying heating device, a 30 min. After drying the bearing to be in a vacuum container or absorb agent containing silica gel seal container temporary storage.