Reasons for Misalignment in High-Efficiency Energy-Saving Multistage Pump Couplings

2025-07-23

High-efficiency energy-saving multi-stage pumps are widely used in industrial fields. The stability and efficiency of their performance largely depend on the condition of the coupling. The main function of the coupling is to transmit the rotary motion of the motor to the pump, enabling the normal operation of the pump. The concentricity of the coupling is crucial to the operation of the multi-stage pump; non-concentricity can cause a series of problems.

There are many reasons for the non-concentricity of the coupling in high-efficiency energy-saving multi-stage pumps. The main reasons are as follows:

1. Installation errors: During installation, improper operation or insufficient accuracy of measuring tools can lead to deviations in the installation position of the coupling, resulting in non-concentricity.

2. Processing problems: During the processing of the coupling, due to strict process control or insufficient equipment accuracy, deviations in its shape or size may occur, which is also a reason for non-concentricity.

3. Long-term operation wear After long-term operation of the equipment, wear or corrosion may cause changes in the original size and shape of the coupling, resulting in non-concentricity.

4. Vibration and impact: During the operation of the multi-stage pump, vibration of the pump and external impact may cause the coupling to shift, resulting in non-concentricity.

5. Improper maintenance: If the equipment has not been maintained for a long time or if the maintenance is improper, it may also cause problems with the coupling, such as insufficient lubrication or loose fastening screws.

Non-concentricity of the coupling will bring a series of adverse effects, such as increased energy consumption, reduced efficiency, increased equipment wear, and even equipment failure and shutdown. Therefore, ensuring the concentricity of the coupling is crucial for high-efficiency energy-saving multi-stage pumps.

To solve this problem, the following aspects should be addressed:

1. Improve installation accuracy to ensure accurate measurement and operation during installation.

2. Strengthen control of the processing process to ensure the processing accuracy of the coupling.

3. Regularly inspect and maintain equipment to promptly identify and address problems.

4. During equipment operation, pay attention to monitoring the status of the coupling. If any abnormality is found, deal with it promptly.

In summary, the main reasons for the non-concentricity of the coupling in high-efficiency energy-saving multi-stage pumps include installation errors, processing problems, long-term operation wear, vibration and impact, and improper maintenance. To ensure the normal operation and high efficiency of the equipment, this problem must be given high priority and resolved.

Contact Us

Free Hotline:0086-13307481676

Fixed telephone:0086-13307481676      

Mobile:0086-13307481676(WeChat)

E-mail:sales@sanchangpump.com