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Reasons for the excessive temperature of NTN imported bearings and disposal methods
Source: China Bearing Network Time: 2017-10-31
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(1). There is an alarm bell ringing.
(2). The machine side water wheel mechanical fault light plate is bright; the external temperature indicating the bearing temperature rises; signal relay measures.
(3). Thermometer disk (bulging large thermometer) black needle and yellow needle coincide or exceed the yellow needle.
(4). Announce the fault signal of the bearing temperature rise.
The reason for the increase in NTN bearing temperature is (1). The bearing cools in the water.
(2). The oil quality is deteriorated; the oil itself is not clean or the oil is degraded during work; if the water is added in the oil, the acidity of the oil will increase; the smoothing effect of the oil will be lowered; the bearing bush will be corroded; and the bearing temperature will rise.
NTN imported bearing temperature increase when the bearing temperature rises; the first discriminant whether it can be mistaken; if it does increase; should be done as follows:
(1). Check the water pressure of the cooling water; whether the water flow and the pipeline system can be normal. If the water pressure is low, it can be blocked by the filter; if it can not be disposed of in time; it can be stopped; when it is admitted that it can work;
(2). Should check the oil pressure of the governor; if the oil pressure is low, the cooling water hydraulic valve can be closed.
(3). Check if the bearing can have abnormal sound; and check whether the bearing swing can be abnormal.
(4). Take oil samples to investigate whether the oil color can be changed; and carry out tests to see if it can change. If you admit to deterioration, you should stop replacing new oil.
(5). Check if the oil level oil level is normal; if it is abnormal; check if the oil drain valve can be closed. If it is closed, it should be replenished; if it is leaking oil, it should be stopped.
When we use NTN imported bearings; if it is found that the temperature is very high; then quickly stop the equipment work; then find out the reason; and according to the above-mentioned supply disposal plan; but because of the cause of bearing heat The same; so the method of disposal is not the same; so it is still to be detailed in detail; with the assistance of the technical staff to complete.
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