Full Complement Cylindrical Roller Bearing Operation Inspection After the installation of the full complement cylindrical roller bearing is completed, in order to check whether the installation is correct, an operation inspection shall be carried out. Small machines can be rotated by hand to confirm smooth rotation. The inspection items include poor operation due to foreign objects, scars and indentations, unstable moment due to poor placement and poor processing of the seat, excessive torque due to too small clearance, placement deviation, sealing debate, etc. . If there is no abnormality, the power operation can be started. Large machines cannot be rotated manually, so after no-load start-up, Science will cut off the power, and the machine will run idly. Check for vibration, noise, contact of rotating parts, etc. After confirming that there is no abnormality, enter the power operation. Power operation starts from no-load low speed, and gradually progresses to rated operation under specified conditions. The inspection items during the test run are whether there is abnormal sound, temperature change of full complement cylindrical roller bearing, leakage or discoloration of lubricant, etc. If any abnormality is found, the operation should be interrupted, the machine should be checked, and the full complement cylindrical roller bearing should be removed for inspection if necessary. The full complement cylindrical roller bearing temperature can generally be estimated based on the external temperature of the full complement cylindrical roller bearing housing. However, it is more accurate to measure the temperature of the outer ring of the full complement cylindrical roller bearing simply by using the oil hole. The temperature of the full complement cylindrical roller bearing gradually increases from the beginning of operation, and the temperature is stable after 1 to 2 hours. If the full complement cylindrical roller bearing is not properly installed, the temperature will rise sharply, resulting in abnormally high temperature. Causes such as excess lubricant, too small full complement cylindrical roller bearing clearance, poor placement, too much seal assembly debate, etc. In places where high-speed rotation occurs, the structure of the full complement cylindrical roller bearing and the wrong selection of the lubrication method are also the reasons. The rotational sound of the full complement cylindrical roller bearing is checked with a stethoscope, and there are strong metal noises, abnormal sounds, irregular sounds, etc. The reasons are poor lubrication, poor accuracy of the shaft or full complement cylindrical roller bearing housing, damage to the full complement cylindrical roller bearing, foreign matter intrusion, etc.
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