Considerations of the operation of the bearing

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The high temperature is often said that the bearings in an abnormal situation. The high temperature is also harmful to the lubricant within the bearing. Sometimes bearing o verheated bearing lubricant can be attributed, if bearing long-term operation at temperatures over 125 degrees Celsius, will reduce bearing life, high temperature bearings caused by reasons including: lack of lubrication or over lubrication, lubricant containing impurities, the load is too large bearing damage, lack of space, and oil seals produce high temperature friction and so on. Thus continuous monitoring bearing temperature is necessary, either measuring the bearing itself or other important parts. If it is in the case of the operating conditions do not become any temperature change may indicate that a failure has occurred.cross roller bearing

The bearing temperature is measured regularly by means of the thermometer can be accurately measured bearing temperature and in accordance with the degrees Celsius display. Importance of bearing, which means when it is damaged, resulting in the shutdown of the equipment, the best type of bearing temperature detectors should be retrofitted. Under normal circumstances, the bearing temperature rise after just lubrication or relubricated natural and lasts for one or two days.

Observed

Bearings if good lubrication and correct the barrier debris and moisture, said oil seal should be no wear, however, it is best to open the bearing box, to visually check the bearing and regularly checking oil seal, check the situation near the bearing at the oil seal infiltration along the axis of the bearing in order to ensure that they are sufficient to prevent the hot liquid or etching liqu id or gas. Guard ring and labyrinth oil seal should be greased in order to maintain its protective effect. Oil seal If you wear should be replaced as soon as possible. Of functions in addition to prevent the magazine from entering the bearing oil seal, another function of the lubricant to keep the bearing box. Oil seal If the oil leakage should immediately check the oil seal wear and tear damage or oil Cesson moving. Leakage phenomenon may be caused in the joints loose bearing box or lubricant add too much agitation and oil leakage, check the automatic lubrication system to ensure that the correct amount of add View lubricant discoloration or black , if there is this phenomenon, usually expressed lubricant contains].contact ball bearing

Listen

The use of hearing to recognize irregular operation is a very common method. Example, by means of the electronic stethoscope to check for abnormal noise of a part by the experience of the operator. If the bearing in good operating condition will issue a low whining sound. If issued a sharp hissing sound, creak sound and other irregular sounds, usually bearing is in poor operating condition. Sharp creak noise may be caused due to improper lubrication. Inappropriate bearing clearance may also cause the metallic sound. Dents on the bearing outer race track will cause vibration, resulting in a smooth and crisp sound. If due to installation caused by knocking scars can also generate noise, this noise varies with the level of the rotational speed of the bearing. I f intermittent noise, rolling elements may be damaged. This sound occurred when the damaged surface rolling obsolete, if the bearing contaminants often cause hissing. Serious damage to the bearings will produce irregular and huge noise.angular contact bearing