Usually, if the bearing is used accurately, it can be used until the fatigue life is stopped. However, the JDB steel-inlaid bearing will have an accidental premature damage and will not be used. This early damage, as opposed to the number of exhausted lifespans, is the limit of the quality of JDB cast iron inlaid bearings that are referred to as faults or incidents. Due to the inconvenience of the device, the application, and the lubrication, the foreign matter invaded by the JDB steel-based inlaid bearing from the outside is not sufficient for the thermal influence of the shaft and the outer casing.
For the damage condition of the bearing, such as the ferrule of the roller bearing and the framing of the rib, it can be considered as a factor, the lubricant is lacking, unsuitable, the defect of the oil supply structure, the intrusion of foreign matter, the bearing device error, the shaft deflection If the song is too big, these factors will coincide.
Therefore, it is difficult to know the true factor of damage by only investigating bearing damage. However, if you know the operating machinery of the imported bearings, the operating conditions, the structure around the bearings, and the situation before and after the attack, the damage condition of the bearing and the investigation of several factors can prevent the recurrence of similar incidents.
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