Generally speaking, to control the noise impact of koyo bearings, it is necessary to take countermeasures against the root causes of these noises in order to obtain the effect of curing the root cause. The main ways are: (1) choose low-noise cylindrical roller bearings; (2) avoid resonance with the host and avoid resonance-sensitive rotational speeds; (3) try to eliminate noise from the application of cylindrical roller bearings; (4) in When other methods are ineffective, take additional measures for sound insulation and noise reduction. When the temperature of the koyo bearing rises, first determine whether it is malfunctioning. If it does rise, the following measures should be taken: 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. The oil pressure of the governor should be checked, if the oil pressure is low, the cooling water hydraulic valve may be closed. Check whether there is abnormal noise in the koyo bearing, and detect whether the swing of the cylindrical roller bearing is abnormal. 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. Check whether the oil level of the oil level is normal, if not, 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.
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