Aimed at ensuring that bearings in bearing fault diagnosis of a certain working environment (under certain loads, to a certain speed, etc) during the work and must be under (certain life) conducted in a credible and effective manner in order to ensure the precision machine work. Commensurate with this purpose, SKF bearings is reflected in bearing fault diagnosis is through the work of observation, analysis and processing of signals to identify the status of the light. So, from a certain extent, it can be said, is bearing fault diagnosis of bearing State recognition. Specifically, the complete bearing failure diagnosis process should include the following five aspects:
1, signal measurement based on the bearing of the working environment and nature, selection and measurement to reflect the State of bearings or signals;
2, features (indications) extract from the measuring signal to digital signal analysis and processing methods for the extraction of useful information that could reflect the State of bearings (indications);
3, monitor (identified) according to the indications, must have State recognition method of identification of bearing State, the simple judgment bearing working correctly or that there is trouble-free;
4, diagnosis (state analysis) according to indication, further analysis about the State and development trend; when the FAG bearings failure, detailed analysis of fault type, parts of the nature, causes and trends;
5, decision-making intervention based on the bearing condition and development trends, make decisions, such as adjustment, control, maintenance or continued monitoring.
Using the factors mainly refer to installation and adjustment, maintenance, maintenance, repairs necessary to meet the technical requirements. Installation conditions is one of the leading factors in the use factor, bearings are often caused by the installation is not suitable the entire bearing stress changes between the various parts, bearings in a State of abnormal operation and early failure. According to the TIMKEN bearings installation, use, maintenance, maintenance of technical requirements, for bearings in operation under load, speed, temperature, vibration, noise monitoring and checks and lubrication conditions, abnormal findings immediately find the cause, make adjustments, bring it back to normal. In addition, the atmosphere of the grease quality and ambient medium, analysis is also important.
1: mobile bearings are grease lubricated, after running over 1500 hours, should replace the grease in a timely manner, a raise amount of oil needed to be aware of the right amount, because the grease too little or too much can cause heating in the bearings, fueling chuangyu propose to maintain the 1/2~2/3 of bearing Chamber volume is appropriate.
2: uses of sodium grease motor bearing (most of them are this type), characteristic of this grease is resistant against high temperature (125 ° c), the problems are easily dissolved in water, so the water pump bearings lubrication is totally inappropriate.
3: container of used lubricating oil or grease to clean, usually be sealed well, don't let the dust, iron filings and other debris fell on to prevent damage to bearings.
4: requires special attention was put into use new water pump, running for the first time after 100 hours shall be timely replacement of grease (oil), then you run the 500-hour replacement 1.
5 it is used INA bearings are lubricated by lubricating oil, oil should be added to the provided location.



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