Causes and treatment methods of overheating of imported bearings for agricultural motors

1. Bearing damage. Check the ball bearing of the ball bearing or the bearing of the ball bearing for damage. Repair or replace if damaged.

2. The lubricating oil is dirty, too dirty, the oil ring is stuck or the grade is wrong. Oil should be changed, the cause of the jam should be found for repair, and the oil should be exchanged when the viscosity of the oil is too high.

3. The bearing chamber is short of oil. Fill the 2/3 oil chamber with grease or add lubricant to the standard oil line.

4. The grease in the rolling bearing is too clogged, and the temperature of the lubricating oil in the sliding bearing is too low or too high. Excess grease in the rolling bearing should be removed or the grease in the oil chamber should be filled to 2/3.

5, the bearing and the shaft, the bearing and the end cover are too loose or too tight, too tight will deform the bearing, too loose is prone to "running sleeve". When the bearing and the shaft are too loose, the journal can be painted with metal paint and reworked when it is too tight; the bearing and the end cover are fitted with the end cap tightly, and the outer end is reworked when it is too tight.

6. The motor end caps or bearing caps are not assembled, usually not parallel, causing the bearings not to be in the correct position. Flatten the end caps or bearing caps and tighten the bolts.

7. The belt is too tight, too loose or the coupling is poorly assembled. Adjust the belt tightness; correct the coupling.

8. The wrong bearing model was changed during maintenance. Replace the correct type of bearing as soon as possible.

The above eight aspects are the experts' answers to the problem of overheating of imported bearings for agricultural motors. I hope to help you troubleshoot and reduce economic losses.
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Bearing application in the fan industry

The application of the fan industry is characterized by continuous, high-speed operation, easy bearing heat generation, and extremely strict requirements on bearing noise. In response to the operational requirements of the wind turbine industry, Wuxi rolling bearings have been specially designed to develop a series of bearings for fans. It not only meets the noise requirements of the fan industry for bearings, but also greatly improves the service life of the bearings on the fan, and can produce high temperature resistant and high precision bearings according to customer's special requirements.

The main cause of the fan failure (bearing temperature rise, noise):

The shaft and the rolling bearing are installed obliquely, and the front and rear bearings are not concentric;

The bearing clearance is too small and there is no play after installation;

The bearing housing vibrates violently;

The lubricant is of poor quality and contains impurities, dust, dirt or insufficient filling;

The bearing cage cover and the seat bolt are too tight or too small;

During the heating process of the bearing, the demagnetization is not clean or oily;

The bearing roller surface and the inner ring raceway surface are bumped.
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