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Detailed Rotor Balancing Process



Getting the Equipment Ready



  • accelerometers, laser rpm sensor, mounting stand, software application, and additional tools.
  • Set up the instrument and connect it to your computer via USB. Verify that the software is correctly installed.


Sensor Installation



  • Attach the vibration sensors firmly to the machine casing in areas with the highest vibration amplitude, usually close to the bearing supports.
  • Aim the optical rpm sensor at the rotating shaft and apply a reflective strip to the shaft for phase angle data acquisition.


Software Startup



  • Initiate the Balanset program on your computer.
  • Configure the software for either single-plane or two-plane balancing, based on the rotor's characteristics and the desired outcome.


Initial Vibration Measurement



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  • Run the rotor up to its operating speed.
  • The software will measure the vibration level, rotational speed, and phase angle. This data establishes the current imbalance condition.


Mounting the Test Weight



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  • Bring the rotor to a standstill and affix a trial weight at a predetermined point on the rotor, specifying its mass in the software (typically in grams).
  • Resume rotor operation, and the program will capture the resulting changes in vibration amplitude and phase.


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Determining the Corrective Mass



  • Based on the measured data, the software automatically calculates the correction weight parameters: mass and installation angle.
  • The calculated values are presented on-screen in both numerical and graphical formats.


Bs1 Manual


Installing the Correction Weight



  • Install the correction weight on the rotor according to the software's calculations.
  • Periodic checks can be performed to ensure the balancing procedure is effectively reducing the vibration.


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Validation and Conclusion of the Balancing Process



  • With the compensating weight attached, operate the rotor and assess the level of any residual vibration.
  • The balancing procedure is finished if the remaining vibration is within the permissible limits specified in ISO 1940.
  • If the vibration level remains high, repeat the process with further weight adjustments.


Generating a Documentation of the Balancing Results



  • The program stores the balancing data, allowing you to generate and print a comprehensive report including vibration measurements, corrective weight details, and its angular placement.


Post-Balancing Checklist



  • Verify the secure attachment of all balancing weights and measurement sensors.
  • Confirm that the rotor spins freely and quietly, without any unusual sounds or vibrations.
  • If the rotor operates within a larger assembly, check the functionality and interplay of all interconnected parts.


This process allows for precise imbalance correction, reducing vibration and extending equipment life.






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Our website about Coupling alignment tolerances
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