2026-04-09Views：
The vibration generated in the operation of the screw air compressor should be very small. If the vibration is large, you need to find out the reason.
There are many reasons for the large vibration of the air compressor, such as the following:
1, the foundation design and construction quality is not up to standard, resulting in insufficient stiffness, low vibration absorption capacity; or insufficient strength, unable to fasten the anchor bolts.
2. Improper placement of shim iron during installation, or too many layers of shim iron and too large total thickness, resulting in poor contact and poor rigidity between the bottom surface of the fuselage and the shim iron and the base surface, resulting in loose anchor bolts.
3. The coaxiality error between the motor and the drive shaft coupling is too large, resulting in large inertial force and moment of inertia, causing vibration.
4. The pulley is not installed correctly, and the end face is not perpendicular to the axis, resulting in additional centrifugal force and centrifugal moment, causing the unit to vibrate.
5. The rolling bearing elements are worn, resulting in increased clearance, low motion accuracy and large vibration.
6. Airflow velocity and pressure merge to generate pulses, impact pipes, and generate vibration.
Knowing the reason, we can prescribe the right medicine to eliminate the vibration of the air compressor. Generally, we can start from the following aspects:
the static balance and dynamic balance of the moving parts should be calibrated, otherwise it will cause congenital vibration.
2, air compressor and motor or diesel engine concentricity should be correct.
3. The foundation of the air compressor should be constructed in strict accordance with the design drawings, and there must be no rigid connection between the foundation and any structure of the building.
4. The tightening force of the anchor screws of the machine should be consistent;
5. The base must have sufficient rigidity.
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