When the temperature of the cylindrical roller bearing rises, it is first necessary to judge whether there is any wrong action. If the temperature is indeed rising, the following measures should be taken immediately: (1) Check whether the cooling water pressure, water flow and pipeline system are normal. If the water pressure is low, it may be that the filter is blocked. If it cannot be handled in time, it can be stopped for processing. When it is confirmed that it can work, it can be put into use. (2) Check the oil pressure of the governor. If the oil pressure is low, the cooling water hydraulic valve may be closed. (3) Check whether the timken bearing has abnormal noise, and check whether the swing of the cylindrical roller bearing is abnormal. (4) Take oil samples to observe whether the color of the oil has changed, and conduct tests to see if it has deteriorated. If it is confirmed that it is deteriorated, it should be stopped and replaced with new oil. (5) Check whether the oil level of the oil standard is normal. If it is abnormal, check whether the oil drain valve of the oil tank is closed tightly. If it has been closed tightly, it should be replenished with oil. If the sealant gasket sees oil, it should be stopped. Timken bearings in use in production equipment in the state of minor damage without accident are as follows: (1) There are slight traces of rotational slippage on the inner diameter or outer diameter of the bearing. (2) The bearing mating surface and working surface are corroded. (3) There are scratches or indentations on the inner diameter, outer diameter, raceway and rolling element surface of the bearing. (4) The end face of the roller is frictionally bonded to the surface of the rib. (5) There is slight wear on the working surface of the bearing. The state of the Timken bearing in use after failure and damage, that is, accidental damage, is as follows: (1) The cage is distorted, deformed, and broken. (2) The rolling elements are broken. (3) Fatigue spalling occurs on the working surface of the bearing load zone. (4) The inner and outer rings of the bearing are axially cracked or broken. (5) The outer ring of the bearing is radially cracked or chipped or dropped. (6) The inner and outer rings of the bearing, the rollers are deformed, and the raceway forms pressure pits.
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