IKO imported bearings show the cause of the problem

Source: China Bearing Network Time: 2013-08-14

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1. IKO imported bearing temperature is too high: when organizing the operation; the part of the bearing of the device promises a certain temperature; when the tissue is touched by hand; it should be normal without feeling the trick; otherwise, the bearing temperature is too high.
The reasons for the excessive temperature of IKO bearings are: the quality of the smooth oil does not meet the demand or the change; the viscosity of the smooth oil is too high, the tissue device is too tight (the gap is lacking), the bearing device is too tight, and the bearing race is changed on the shaft or the shell. The load is too large, the bearing cage or the rolling body is broken.
2, bearing noise: Rolling bearings in the operation promised a subtle work noise; if the sound is too loud or there are abnormal noise or impact sound; then indicate that the bearing is faulty.
The reason for the noise of IKO imported bearings: more complicated; 1) is the external wear of the inner and outer rings of the bearing. Because this is worn, it destroys the cooperation between the bearing and the shell, the bearing and the shaft; the axis is deviated from the correct orientation. When the shaft is moving at high speed, abnormal noise occurs. When the bearing is exhausted; its appearance metal falls off; it will also increase the radial gap of the bearing and cause abnormal noise. 2) The bearing is lacking in smoothness; the dry conflict is formed; and the bearing is broken. Abnormal movement and static. 3) After the bearing wears loosely; the cage is loose and damaged; it will also cause damage to the abnormal bearing. When the IKO bearing is disassembled, the bearing can be judged according to the damage condition of the IKO bearing.
3. The metal surface of the raceway is detached: the bearing tumbling body and the inner and outer ring raceways all receive the effect of periodic pulsating load; then the contact stress changes during the attack cycle. When the number of stress cycles reaches a certain value; in the rollover or The inner and outer ring raceway work surface is fatigued and shedding. If the bearing load is too large, this fatigue will be aggravated. Others; the bearing device is not correct, the shaft is tortuous; the raceway will be off the surface. The bearing raceway Excessive shedding will reduce the accuracy of the shaft's work; it will cause tissue oscillations and noise.
4, bearing burns: burned bearings have tempering color on the raceway and roll body. The cause of burns is usually lack of smoothness, smooth oil quality does not meet the demand or transformation; and the bearing device is too tight.
5. Plastic deformation: the bearing raceway and the roller touch surface show uneven pits; clarify the plastic deformation of the bearing. The reason is that the bearing is under the effect of large static load or impact load; The yield limit of the data; this condition usually occurs on bearings that rotate at low speeds.
6, bearing seat crack: the cause of cracks in the bearing seat can be IKO imported bearing cooperation too tight; bearing foreign or inner ring loose; bearing housing deformation; equipment bearing surface processing and so on.
7. The cage is broken: its cause is smooth lack; the rolling body is broken; the seat is inclined.
8. The metal of the cage adheres to the tumbling body; the reason for the ability is that the tumbling body is stuck in the cage or is lacking in smoothness.
9, the raceway raceway is severely worn: it can be a foreign object falling into the seat; the lack of smooth oil or the smooth oil trademark is not suitable.

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