Several methods of fag bearing germany fault judgment technology

121 Published by Jan 10,2020

fag bearing germany fault diagnosis technology mainly includes vibration diagnosis technology, ferrography diagnosis technology, temperature diagnosis technology, acoustic diagnosis technology, oil film resistance diagnosis technology and optical fiber monitoring diagnosis technology, etc. Among them, vibration, iron shop, temperature diagnosis technology are widely used.

1. Vibration diagnosis technology

When the fag bearing working surface shows fatigue peeling, indentation or local corrosion, periodic pulse signals will appear during the operation of fag bearing germany. This periodic signal can be received by a sensor (speed type or acceleration type) installed on the bearing seat, and the failure of the FAG imported bearing can be diagnosed by analyzing the vibration signal.

Features: Vibration diagnosis technology is widely used; online monitoring can be realized; diagnosis is fast, and the diagnosis theory is mature.

Application: Especially suitable for fault monitoring of FAG imported bearings in rotating machinery.FAG bearing

2. Iron spectrum diagnostic technology

fag bearing germany wear particles are closely related to their working conditions. The lubricating oil with worn particles is passed through a strong magnetic field. Under the action of the strong magnetic field, the abrasive particles are deposited on the ferrograph sheet according to a certain rule. The ferrograph sheet can be qualitatively observed on a ferrographic microscope or tested on a quantitative instrument. Based on this, judge the working condition of FAG imported bearings.

Features: no need to disassemble the machine; low investment, good effect; early fatigue failure of fag bearing germany can be found; wear mechanism research can be done.

Scope of application: It is suitable for fault diagnosis of fag bearing germany lubricated with lubricating oil, and it is difficult for grease-lubricated FAG imported bearings.

3.Oil film resistance diagnosis technology

The well-lubricated fag bearing germany has great resistance between the inner and outer rings due to the effect of the oil film. Therefore, by measuring the resistance of the inner and outer rings of the fag bearing germany, the abnormality of the FAG bearing can be determined.

Features: The same evaluation standard can be used for different working conditions. The diagnosis of surface peeling, indentation, cracks and other abnormalities is poor.

Application: Suitable for occasions where the rotating shaft is exposed.

4.Fiber monitoring and diagnosis technology

Optical fiber monitoring is a diagnostic technique that extracts signals directly from the surface of a fag bearing germany ferrule. A displacement sensor made of an optical fiber bundle includes a transmitting fiber bundle and a receiving fiber bundle. The light is reflected back from the transmitting fiber bundle through the gap between the sensor end face and the surface of the fag bearing germany ferrule. It is received by the receiving fiber bundle and converted into an electrical signal by the photoelectric element. By analyzing and processing the electrical signal, the fag bearing germany working conditions can be made. Evaluation.

Features: Optical fiber displacement sensor has high sensitivity; directly extracts signals from the surface of fag bearing germany, which improves the signal-to-noise ratio; can directly reflect the manufacturing quality of rolling bearings, surface wear, load, lubrication and clearance.

Scope of application: Suitable for machines where the sensor can be mounted in a fag bearing germany.

fag bearings germany

5.Temperature diagnosis technology

If there is some abnormality in fag bearing germany, the temperature of fag bearing germany will change. Therefore, according to the change of temperature, the fault of fag bearing germany can be diagnosed, but the ability to judge abnormality is very low.

Features: simple diagnosis; good judgment on fag bearing burns.

Application range: Suitable for simple routine diagnosis of fag bearing germany in the machine.

6.Acoustic emission diagnostic technology

Metallic materials need to release elastic waves due to internal dislocations, grain boundary slippage, or the occurrence and development of internal cracks. This phenomenon is called acoustic emission. When the rolling bearing is exfoliated or cracked, different types of acoustic emission signals will be generated. Based on this, the operating conditions of fag bearing can be evaluated.

Features: fast and easy diagnosis; online monitoring.

Scope of application: New technologies developed in recent years have rarely been used in fag bearing germany conditions monitoring.

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