Rotary Joint Air

Abnormal noise in the operation of the rotary joint not only affects the working efficiency and service life of the equipment, but also may indicate potential safety hazards. In view of this problem, we need to analyze the causes of abnormal sound from many angles, and put forward effective treatment methods.

First, the reason of abnormal sound analysis

1. Improper assembly

During the installation of the rotary joint, if the operation procedure is not strictly followed, such as the axial and radial deviation is too large, and the preload is unequal, additional friction or collision between the internal parts of the joint may be generated, resulting in abnormal noise.

2. The seal is worn or damaged

The sealing ring, gasket and other sealing elements in the rotary joint are affected by factors such as media erosion, pressure change or high temperature for a long time, which may cause wear, aging, deformation and other problems, resulting in reduced sealing performance and abnormal sound.

3. Insufficient lubrication

The bearings and bushings inside the rotary joint need good lubrication to reduce friction. If the lubricating oil is insufficient, deteriorated or lost, it will exacerbate the dry friction between the components, produce abnormal noise and accelerate wear.

4. Intrusion of impurities

There are solid particles, rust and other impurities in the working medium, which may cause scratches on the sealing surface and stuck bearings after entering the inside of the rotary joint, resulting in abnormal sound.

5. The structural parts are loose or damaged

The joint shell, flange, shaft, bearing and other structural parts loosen, crack and fracture due to fatigue, impact and other reasons, which will produce abnormal vibration and noise during operation.

Second, treatment methods

1. Standard assembly

The rotary joint should be installed in strict accordance with the installation guide provided by the manufacturer to ensure axial and radial alignment, reasonable control of preload and avoid bump damage during assembly.

2. Replace the seals regularly

Make a reasonable maintenance plan, check the sealing status of the rotary joint regularly, replace the worn and aging seals in time, and maintain good sealing performance.

3. Strengthen lubrication management

Choose the appropriate specification of lubricating grease, supplement or replace it regularly to ensure that the moving parts inside the joint are fully lubricated. For special working conditions such as high load and high temperature, special grease or lubricating oil circulation system can be used.

4. Add filter device

Add a filter at the inlet and outlet of the rotary joint to effectively intercept the impurities in the working medium and prevent them from entering the interior of the joint, and regularly clean or replace the filter element.

To sum up, the solution of the abnormal noise problem of the rotary joint needs to comprehensively consider multiple factors such as equipment working conditions, use environment, maintenance status, and so on. By accurately diagnosing the causes and taking targeted measures, the abnormal noise can be effectively eliminated to ensure the stable and efficient operation of the equipment.

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