Bearing overhaul from which aspects

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1, bearing the cleaning
The dismounted imported bearings overhaul, the first record bearing the appearance, to confirm the amount of lubricant remaining after sampling inspection lubricant, wash bearings. As a cleaning agent, or dinary gasoline, kerosene. Cleaning of the bearing removed to the stars coarse cleaning and seminiferous wash, respectively, in the container, the first to put a metal mesh bottom, so that the bearing does not directly contact the container dirt. Finish cleaning the bearing with dirt rotation will damage the bearing rolling surfaces, it should be noted. Rough cleaning oil, use a brush to remove to grease, adhesive material, generally clean, transferred to sperm washing.crossed roller bearing
Sperm washing, cleaning oil bearing while rotating, while carefully cleaned. In addition, cleaning the oil should be kept clean.
2, bearing overhaul and judgment
Bearing dismantled in order to determine whether it can use, To check bearing wash clean. Carefully check the raceway and the rolling surface, with the surface, cage wear, damage decreased by the increase in the bearing clearance and the presence or absence of dimensional accuracy exception. Non-separable type of small ball bearings, the inner ring with one hand and the level of support the rotating outer ring to confirm whether smooth.
Tapered roller bearings and other separation-shaped bearing, rolling element, the outer ring raceway were examined.
Rotating the large bearing failure hand, pay attention to check the rolling body raceway to maintain the appearance of the rack, wall surface, the importance of bearing the higher the greater the need for careful checking.
The reusable judgment, is to consider the degree of bearing damage, mechanical properties, the importance of operating conditions, to Save the overhaul period. However, if the following defects can no longer use. Must be the reason a new bearing.
The inner ring, outer ring, rolling elements, on any one of the holder have cracks, or gaps.
Ferrule, on any one of the rolling bodies are broken.
Raceway wall, rolling on a signifi cant relaxation.
Raceway, rolling element rust injured.
Raceway serious indentation and hit the mark on the rolling element.
Inner ring inner diameter surface or outer diameter surface significant creep.precision ball bearing
Obvious discoloration caused by heat.
Grease-sealed bearings, seals, or dust cover damaged.