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Detailed analysis of the failure method of "sliding bearing"
Source: Bearing network time: 2013-09-21
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The characteristic of paint rust is that it is mostly in the sealed motor; the motor sounds very good when it is installed; but after some time is placed in the warehouse; the abnormal noise of the motor becomes very large; the sliding bearing has a severe rust appearance.
The lifespan of the sliding bearing is closely related to the production, installation and operation; it is necessary to do it at every step; as long as the sliding bearing is used to pay attention to the above matters; the sliding bearing is in the best working condition; then extended The operating life of the sliding bearing.
In order to ensure that the dynamic bearing has always been operating in an outstanding condition; regular protection and maintenance is necessary; this can be done to prevent the incident and the future; the company's production power, saving costs. Here to engage in professional maintenance of the sliding bearing Work; it is necessary to have a standard system of work processes; including operating conditions; smoothing agents; timed disassembly; noise, temperature, etc.
The metallurgical quality of the sliding bearing data used to be the primary factor affecting the early failure of the rolling bearing. Following the advancement of metallurgical skills (such as vacuum degassing of plain bearing steel); the quality of the original data was improved. The original data quality factor was analyzed in the failure of the sliding bearing. The proportion in the middle has been significantly reduced; but it is still one of the primary factors affecting the failure of sliding bearings. Whether the selection of materials is still appropriate is still an essential element for the analysis of the failure of sliding bearings.
When the sliding bearing is mounted on the rotor to make the balance, it is very simple to put the iron filings generated during the dynamic balance into the sliding bearing; therefore, it is best to balance the sliding bearing before installation. Some manufacturers have convenient installation; the sliding bearing is installed. Apply some oil or grease to the room to smooth it; but it is often difficult for the operator to control the amount; if oil or grease accumulates in the sliding bearing room; it is very simple to enter the sliding bearing along the shaft when the sliding bearing changes. The best thing about sliding bearings is not to apply oil or grease; if it is not painted, it must be handled without accumulation in the sliding bearing chamber.
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