INA bearing failure mainly due to defects and overload two major factors. When plus loads more than material intensity caused part overload fracture fracture is called the limit. Overload causes the main host of sudden failure or improper installation. INA bearing parts of micro-cracks, shrinkage, bubble, a large, foreign bodies, organizations and local overheating burn in shock overload or severe vibration when the defect will cause fracture at the defects, defects called fracture. It should be noted that INA bearings in the manufacturing process, re-inspection of raw materials into the plant, forging and heat treatment quality control, process control through instruments and correct analysis of the flaws exist, still controls must be strengthened in the future. In General, however, usually bearing failure occurred mostly overload failure.
INA bearing failure analysis of main tasks is based on the large amount of background material, analysis of data and failure mode, identify the main factors causing bearing failure, so targeted for improvement measures, extend the service of INA bearing, avoid unexpected early bearing failure.
INA bearing in running process in the, sometimes bearing surface Zhijian will squeeze into external hard particle or hard mass foreign body or metal surface of mill chip, this will is bearing caused plow ditch shaped of abrasions, these hard foreign body through lubrication media entered INA bearings internal, as INA bearing of constantly running, local friction health hot, easy caused friction surface local deformation and friction micro welding collection phenomenon, even may appears local melted of situation, last caused occlusal phenomenon.
INA bearing breaking cause of defects and overload two factors when plus loads more than material fracture strength limit resulting parts called the overload fracture, INA bearing overheating can also occur in the course of running organizations and local defects such as burns, defects caused by faults. In general we can instrument to check what kind of fracture, in most cases, fracture mostly caused by overloading of INA bearing failure.



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