Burning failure of full complement cylindrical roller bearings

Burn failure of full complement cylindrical roller bearings The signs of burn damage in full complement cylindrical roller bearings refer to: the raceway and rotating body of the bearing are rapidly heated during rotation until discoloration, softening, deposition and destruction. The poor lubrication of the bearing is the main reason for the burn of the full complement cylindrical roller bearing. The use of inferior lubricants, or the use of too much or too little lubricant is incorrect. 1. The condition of the lubricant Sampling the bearing lubricant to check its turbidity and verify it. Suitable for observing large bearings. 2. Sound identification This identification technique requires experienced staff, who can use a listening device or a sound bar to stick to the shell to listen to the sound of the fully loaded cylindrical roller bearing. To identify bearing noise and unusual bearing noise. 3. The working temperature should keep a continuous record of the temperature. In the event of a failure, not only will the temperature rise, but other irregular changes will also occur. This technique is used in places where the health changes are not very likely. Speed ​​is too high. Clearance is too small. There is a foreign body intrusion. If the upper environment is not the same, that is, the accuracy of the bearing housing is poor and the deflection of the shaft is large. Looking at the above reasons, the following solutions are: first, to study lubricants and lubrication techniques, to choose the right bearing lubricant, and its amount, and to correct the selection of full complement cylindrical roller bearings. Investigate fit, bearing clearance and preload, and improve sealing arrangements. Check the accuracy of the shaft and bearing housing.

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