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The damage and reason of "double row deep groove ball bearing"
Source: China Bearing Network Time: 2013-01-11
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Double row deep groove ball bearings are in the process of application; if they are used improperly or under some protection conditions; there are many damages that can cause double row deep groove ball bearings.
Double row deep groove ball bearings are excellently smooth; and the correct insulation and moisture, indicating that the oil seal should be worn. However, the best way to open the double row deep groove ball bearing box, look at the double row deep groove ball Bearing and timing view oil seal; check the condition of the oil seal near the double row deep groove ball bearing; to ensure that they are enough to avoid hot liquid or corrosive liquid or gas entering the double row deep groove ball bearing along the axis; if the oil seal has worn out, it should be hurry replace.
High temperature often indicates that double row deep groove ball bearings are in an abnormal condition; high temperature is also harmful to the smoothing agent in double row deep groove ball bearings; sometimes double row deep groove ball bearings can be attributed to the smoothing agent of double row deep groove ball bearings. If the double row deep groove ball bearing works for a long time beyond the temperature of 125 degrees Celsius; the double row deep groove ball bearing life will be reduced.
The causes of damage to high-temperature double-row deep groove ball bearings include: lack of smoothness or smoothness of fire, containing magazines in smoothing agents, excessive load, damage to double row deep groove ball bearings, lack of voids, and high temperature conflicts in oil seals.
The double-row deep groove ball bearing rolling 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 roll body or inside and outside If the double-row deep groove ball bearing is overloaded, the fatigue will be aggravated. Others; the double row deep groove ball bearing device is not correct, the shaft is tortuous; Shedding appearance. The fatigue of the double row deep groove ball bearing raceway will reduce the accuracy of the shaft; the organization will oscillate and the noise. The metal of the cage adheres to the roll body; the reason is that the roll body is stuck in the cage Inner or smooth lack.
Burned double row deep groove ball bearings have tempering color on the raceway and roll body. The cause of burn is usually lack of smoothness, smooth oil quality does not meet the demand or transformation; and double row deep groove ball bearing device is too tight.
The double-row deep groove ball bearing has uneven pits on the touch surface of the roller and the roller; it clarifies the plastic deformation of the double-row deep groove ball bearing. The reason is that the double row deep groove ball bearing has a large static load or impact. Under the load effect; part of the stress of the work surface exceeds the yield limit of the data; this condition usually occurs on low-speed rotating double row deep groove ball bearings.
The cause of the crack in the double row deep groove ball bearing seat can be the cooperation of the double row deep groove ball bearing; the double row deep groove ball bearing is loose in the foreign or inner ring; the displacement of the double row deep groove ball bearing is accommodated; The deep groove ball bearing has poor surface processing, etc. The double row deep groove ball bearing cage is broken; the reason is that the double row deep groove ball bearing is lacking in smoothness; the rolling body is broken; the seat ring is inclined.
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