How to solve the wear failure of rotating machine motor

Update:10 Jun 2024
Summary:

Spin Machine Motor plays a vital role in modern industr […]

Spin Machine Motor plays a vital role in modern industrial production and daily life. With the extension of the use time, the wear and tear of the motor becomes more and more prominent, seriously affecting its performance, and may even cause equipment shutdown, reduced production efficiency and safety hazards. Therefore, it is particularly important to understand the causes, detection methods and solutions of wear and tear failure.

Causes of wear and tear failure
The wear and tear of the motor mainly comes from the following aspects:
Long-term operation: During the long-term operation of the motor, friction between the various parts is inevitable, especially under high load or high speed, the wear rate is significantly accelerated.
Insufficient lubrication: The quality and quantity of lubricating oil directly affect the friction coefficient. Aging, contamination or insufficiency of lubricating oil will lead to increased friction, thereby accelerating the wear of parts.
Poor alignment: Inaccurate alignment between the motor and the drive equipment will cause additional vibration and friction, thereby aggravating wear.
Environmental factors: Environmental conditions such as high temperature, high humidity, dust and chemical corrosion will accelerate the wear of motor parts, especially in harsh working environments.
Material defects**: If the materials of motor parts have defects such as insufficient hardness and poor wear resistance, it will inevitably lead to aggravated wear.
Shock load: During startup, braking, or load changes, the motor may be subjected to instantaneous high loads, which accelerates the wear of components.

Wear failure detection methods
Before taking measures to solve wear failures, the wear status of the motor must be fully detected. Common detection methods include:
Vibration analysis: By monitoring the vibration characteristics of the motor, its wear degree can be effectively evaluated. Motors with severe wear usually show abnormal vibration patterns.
Temperature monitoring: Use temperature sensors to monitor the temperature changes of the motor in real time. Excessive temperature is often an indication of increased wear.
Sound detection: Through listening detection, determine whether there are abnormal sounds during the operation of the motor, such as friction sounds, knocking sounds, etc. These sounds are usually directly related to the wear status.
Oil analysis: Regularly analyze the lubricating oil and check the metal particles and contaminants in it to determine the degree of wear.
Visual inspection: Regularly disassemble and inspect the motor to observe the wear of key components such as bearings, gears, and rotors.

Solutions to wear failures
To effectively deal with wear failures, companies need to adopt the following strategies:
Regular maintenance and inspection: Develop a detailed maintenance plan and regularly check the wear status of the motor. Through vibration analysis, temperature monitoring and oil analysis, potential problems can be discovered in time and measures can be taken.
Optimize the lubrication system: ensure the normal operation of the lubrication system, use high-quality lubricants, and replace them on time. According to the working conditions of the motor, choose a suitable lubrication method, such as oil bath lubrication or oil mist lubrication, to ensure the lubrication effect.
Alignment adjustment: Regularly check the alignment between the motor and the load to ensure that the two are well aligned to reduce additional wear caused by poor alignment.