Skill analysis: FAG bearing repair and removal methods

Source: Bearing network time: 2018-05-31

/*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';

In order to determine whether the FAG bearing can be reused, it should be viewed after the bearing is cleaned. Carefully check the raceway surface, the rolling surface, the condition of the cooperation surface, the wear condition of the cage, the addition of the FAG bearing clearance and No damage to the scale accuracy reduction; abnormal. Non-detached small ball bearings; use one hand to support the inner ring horizontal; rotating outer ring to recognize the circulation.
Tapered roller bearings and other separate bearings; can be viewed on the rolling surface of the roll and outer ring.
Large bearings can not be rotated by hand; pay attention to the appearance of the rolling body, raceway surface, cage, rib surface, etc.; the higher the importance of the bearing, the more stable it is necessary to view.
Whether it can be re-used; it is to consider the FAG bearing damage degree, mechanical properties, importance, working conditions, and the time until the next inspection. However, if there are the following shortcomings, it can no longer be used. It is necessary to replace it. Bearing.
Crack on any of the inner ring, outer ring, roll body, cage; or notch.
There is crack on any one of the ferrule and the rolling body.
There is significant slack in the raceway, ribs and roll.
There is rust on the raceway surface and the rolling body; there is injury.
There are severe indentations and marks on the raceway surface and the rolling body.
The inner diameter of the inner ring or the outer diameter of the outer ring has significant creep.
The color change due to heat is significant.
Bearings sealed with grease; damage to the seal or dust cover is significant.
FAG bearing removal and FAG bearing inspection; first record the bearing appearance; recognize the residual amount of lubricant; after sampling and viewing the lubricant; wash the bearing. As a scavenger; generally use gasoline, fire oil. Clear; separate coarse and fine wash; do not leave in the container; first put the metal mesh bottom; make the bearing not directly touch the container's dirt. Fine removal; if the bearing rotates with dirt; will damage the bearing roll Face; should be paid attention to. In the rough removal of oil; use a brush to remove grease, adhesive; after cleaning; turn into fine washing.
Fine washing; the FAG bearing is rotated while removing the oil; while carefully cleaning. Others; the oil should always be kept clean.

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