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IKO joint bearing damage analysis - bearing knowledge in the use of life cycle

by:Waxing     2020-05-28
Joint bearing damage after removing check, according to the damage of bearing judge IKO bearing failure and cause of damage. 1. Metal flake bearing raceway surface rolling body and the inner and outer ring raceway surface under the role of the periodic pulse load, resulting in a periodic change of contact stress. When stress cycles after reaching a certain value, the rolling element bearings, their work within or surface produce fatigue spalling. If IKO bearing load is too big, can make this kind of fatigue. In addition, the bearing installation is not straight, shaft bending, also can produce roll flaking off. Bearing raceway fatigue spalling can reduce the running accuracy of shaft vibration and noise in the organization. 2. 。 Bearing burn burn bearing the heat tint of raceway and rolling body. Burns is usually the cause of insufficient lubrication, lubricating oil quality does not conform to the requirements or metamorphism, and bearing assembly too tight. 3. Plastic deformation of bearing raceway and roller contact surface appear uneven pits, bearing produce plastic deformation. The reason is bearing under static load or shock loading, local stress exceeds the yield limit of material on the surface of the work, this kind of situation usually happened in the low-speed rotation of the bearing. 4. Bearing race crack cause crack of the bearing race may be bearing fit tight, loose bearing outer ring and inner ring, bearing deformation, inclusive of installation of bearing surface processing etc. 5. Cage fracture reason is the insufficient lubrication, rolling body breakage and seat skew, etc. 6. Retainers metal adhesion on the rolling body possible reason is that roller was stuck in a cage or insufficient lubrication. 7. Seat ring raceway serious wear and tear may be fall into the object in seat, lack of lubricating oil or lubricant brand is not appropriate. The main factors influencing the joint bearing damage is: load situation, lubrication, assembling, environmental conditions and material or manufacturing precision, etc. After the joint bearing installed, if not done carefully alignment, alignment can lead to bearing suffered another load, friction, and vibration. The use of these may accelerate fatigue and reduce the bearing life, and it might damage the other machine parts service life. In addition, the increase of vibration and friction could significantly increase the risk of energy consumption and premature failure. During the period of using, often bearing the joint operation of basic external condition monitoring, such as temperature, vibration and noise measurement, etc. These regular check will help identify potential problems and to prevent unexpected machine to suspend the phenomenon, make the production plan, improve plant productivity and efficiency. In the process of operation, bearing requires correct lubrication again, perfect its performance. The method of bearing lubrication, divided into grease lubrication and oil lubrication. In order to make the bearing function well, first of all, to choose suitable for conditions of use, the purpose of lubrication method. If only consider lubrication and oil lubrication. But there are grease lubrication can simplify the structure of bearing around specialty. When bearing will reach its final use period, should be replaced. Although bearing can no longer be used, but properly unloaded the original bearing, replace a new joint bearing, to extend the service life of new bearing can play a good role in promoting. First of all, the use of appropriate tools unloaded method will help prevent for other machine components of the damage, the second, is not correct to unload the technology may cause harm to the operator.
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