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How to solve the causes of vibration faults in motors
source：未知 time：2025-06-23 13:40nbsp; click：
Vibration issues in industrial motors are among the most common and costly problems faced in power-driven applications. Wolong Nanyang Motor, a leading manufacturer of high-performance explosion proof motors and electric synchronous motors, is addressing this challenge head-on by educating customers on both the causes and solutions of vibration-related faults.
Motor vibration can lead to premature bearing wear, misalignment, reduced efficiency, and even catastrophic failure. For motors operating in hazardous environments, like explosion proof motors, vibration isn’t just a mechanical issue—it’s a critical safety concern.
One of the most common causes of vibration is rotor imbalance. If the rotor’s mass is not evenly distributed, it can cause excessive oscillation during high-speed operation. To resolve this, Wolong Nanyang Motor utilizes precision balancing during manufacturing and offers on-site dynamic balancing services for installed units.
Misalignment between the motor and the driven equipment is another frequent culprit. Whether angular or parallel, even slight misalignments can result in severe vibrations. Laser alignment tools and dial indicators are recommended during installation to ensure exact positioning.
Looseness in mounting bolts or internal components can also create excessive vibration. Technicians are advised to routinely inspect motor base plates, coupling bolts, and bearing housings. For electric synchronous motors, extra attention must be paid to stator frame rigidity and the fit between the rotor and shaft sleeve, as these motors rely on precise electromagnetic stability.
Bearing issues are a leading cause of vibration in all motor types, especially in high-duty applications. Contaminated grease, insufficient lubrication, or worn bearings will increase vibration amplitude. Wolong recommends scheduled lubrication intervals, using only high-quality greases compatible with the motor’s speed and operating temperature.
Electrical imbalances, particularly in electric synchronous motors, can trigger magnetic pull and vibration if the stator windings are unevenly energized. This is often due to supply voltage fluctuations, phase unbalance, or damaged windings. A full inspection of voltage harmonics and winding resistance is essential to restore optimal performance.
Wolong Nanyang Motor also stresses the importance of foundation design. A weak or flexible base can amplify existing vibrations. For motors installed in explosive zones, where explosion proof motors are mandatory, bases must also meet safety regulations to prevent resonance or spark risks.
By addressing vibration proactively, facilities not only extend the lifespan of their motors but also enhance system safety, particularly in hazardous applications. Wolong’s engineering support includes vibration analysis tools, maintenance training, and customized motor balancing services for both low and high voltage machines.
One of the most common causes of vibration is rotor imbalance. If the rotor’s mass is not evenly distributed, it can cause excessive oscillation during high-speed operation. To resolve this, Wolong Nanyang Motor utilizes precision balancing during manufacturing and offers on-site dynamic balancing services for installed units.
Misalignment between the motor and the driven equipment is another frequent culprit. Whether angular or parallel, even slight misalignments can result in severe vibrations. Laser alignment tools and dial indicators are recommended during installation to ensure exact positioning.
Looseness in mounting bolts or internal components can also create excessive vibration. Technicians are advised to routinely inspect motor base plates, coupling bolts, and bearing housings. For electric synchronous motors, extra attention must be paid to stator frame rigidity and the fit between the rotor and shaft sleeve, as these motors rely on precise electromagnetic stability.
Bearing issues are a leading cause of vibration in all motor types, especially in high-duty applications. Contaminated grease, insufficient lubrication, or worn bearings will increase vibration amplitude. Wolong recommends scheduled lubrication intervals, using only high-quality greases compatible with the motor’s speed and operating temperature.
Electrical imbalances, particularly in electric synchronous motors, can trigger magnetic pull and vibration if the stator windings are unevenly energized. This is often due to supply voltage fluctuations, phase unbalance, or damaged windings. A full inspection of voltage harmonics and winding resistance is essential to restore optimal performance.
Wolong Nanyang Motor also stresses the importance of foundation design. A weak or flexible base can amplify existing vibrations. For motors installed in explosive zones, where explosion proof motors are mandatory, bases must also meet safety regulations to prevent resonance or spark risks.
By addressing vibration proactively, facilities not only extend the lifespan of their motors but also enhance system safety, particularly in hazardous applications. Wolong’s engineering support includes vibration analysis tools, maintenance training, and customized motor balancing services for both low and high voltage machines.
上一篇：Wolong Nanyang Motor Launches New Ex Proof Low Voltage Motor | 下一篇：safety and efficiency for explosion proof motors
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