Vibration Analysis of Rolling Bearing Fault Diagnosis

First, the early evaluation of the rolling bearing 1, to the pump motor diagnosis 6 # to the pump motor in the repair of the replacement of a new bearing, put into operation after the motor heat (78 or so), suspected unqualified bearings, ready to repair. After testing and analysis of the vibration spectrum, due to the small value of the vibration velocity, bearing quality can be identified without problems, but the bearing clearance is small, fever is a temporary phenomenon, can be used. After long-term operation, confirmed that the bearings work well, no fever. 2, the boiler ball mill motor diagnosis 3,5 # boiler ball mill motor repair replacement bearings, excessive vibration, and abnormal noise, the test analysis can be seen, the bearing fault frequency and the noise caused by the harmonic vibration speed has exceeded the standard value Belongs to the poor quality of bearings. After the replacement of qualified bearings equipment operation is normal. Second, the deterioration of detection When the vibration speed exceeds 3mms, such as the frequency spectrum analysis confirmed that the rolling bearing fault characteristics, you need to strengthen the monitoring of the bearings in order to promptly deal with to avoid the failure to upgrade. Seen from the spectrogram, bearing fault frequency and its noise harmonics is more obvious, is a bearing deterioration, the need to strengthen monitoring, timely treatment. When the vibration speed exceeds 7mms (15 ~ 300kW of rotating equipment) to replace the bearing in time, so as to avoid equipment accidents. If you need to accurately diagnose the damaged parts of the bearing, you can use expert analysis software such as Zhentong 904 to make specific diagnosis report.

Electric Actuator

An electric actuator is a device that converts electrical energy into mechanical motion. It is used to control the movement of various mechanical systems, such as valves, dampers, and other industrial equipment. Electric actuators are commonly used in industrial applications where precise positioning, speed control, and high accuracy are required. They are also used in the automotive industry, aerospace industry, and medical equipment. Electric actuators are available in different types, including linear actuators, rotary actuators, and multi-axis actuators. They can be powered by AC or DC power sources and can be controlled by various types of controllers, such as programmable logic controllers (PLCs) and human-machine interfaces (HMIs).

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