Bearing failure prediction and prevention
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The service life of bearing in the important mechanical equipment is an important indicator, to understand and master the working state of the bearing, prediction, prevention of premature failure of the bearing is necessary. Usually has the following main way.
(1) the use of advanced technology, improve the bearing life and reliability. Including the reform of structure optimization design, processing technology, material selection and refined, high efficient degree of lubrication, fine assembly and installation, and so on.
(2) to strengthen the bearing products quality inspection and supervision, to ensure the quality of bearing products meet the requirements of relevant standards or design.
(3) to strengthen the monitoring and diagnosis of bearing working condition, early detection is unusual, adopt preventive measures to prevent sudden accidents may cause great losses.
2. The fault diagnosis test system
The modern bearing fault diagnosis technology, and precision of testing system and monitoring means together. At present more mature detection system in practical application are the following.
(1) bearing pulse lateral vibration device
After bearing fatigue wear, or fatigue spalling), vibration, the receiver will mechanical pulse signal is converted to electrical signals and amplification. When the pulse number is beyond the normal range reaches mutation, immediately report to the police, bearing stop using it.
(2) bearing temperature alarm device
Bearing lubrication, surface wear or fatigue can make surface heat, when the temperature of the heating to a certain limit, the alarm, and stop running bearing.
(3) regular testing bearing in the operation of the state at the time, or monitor for defects is development trend.
(4) the ferrographic diagnosis method
Timing to extract work bearing grease samples, iron spectrometer is used to inspect the grinding grain number, size and shape characteristic, can find out the degree of fatigue and wear and tear, found signs of bearing failure.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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1. The prediction, prevention of premature failure of the bearingThe service life of bearing in the important mechanical equipment is an important indicator, to understand and master the working state of the bearing, prediction, prevention of premature failure of the bearing is necessary. Usually has the following main way.
(1) the use of advanced technology, improve the bearing life and reliability. Including the reform of structure optimization design, processing technology, material selection and refined, high efficient degree of lubrication, fine assembly and installation, and so on.
(2) to strengthen the bearing products quality inspection and supervision, to ensure the quality of bearing products meet the requirements of relevant standards or design.
(3) to strengthen the monitoring and diagnosis of bearing working condition, early detection is unusual, adopt preventive measures to prevent sudden accidents may cause great losses.
2. The fault diagnosis test system
The modern bearing fault diagnosis technology, and precision of testing system and monitoring means together. At present more mature detection system in practical application are the following.
(1) bearing pulse lateral vibration device
After bearing fatigue wear, or fatigue spalling), vibration, the receiver will mechanical pulse signal is converted to electrical signals and amplification. When the pulse number is beyond the normal range reaches mutation, immediately report to the police, bearing stop using it.
(2) bearing temperature alarm device
Bearing lubrication, surface wear or fatigue can make surface heat, when the temperature of the heating to a certain limit, the alarm, and stop running bearing.
(3) regular testing bearing in the operation of the state at the time, or monitor for defects is development trend.
(4) the ferrographic diagnosis method
Timing to extract work bearing grease samples, iron spectrometer is used to inspect the grinding grain number, size and shape characteristic, can find out the degree of fatigue and wear and tear, found signs of bearing failure.
