Detailed Rotor Balancing Process

Getting the Equipment Ready

• Ensure the instrument is complete with all necessary components: vibration transducers, laser tachometer, magnetic stand, software, and other accessories.
• Establish a USB connection between the instrument and the computer, ensuring the software is set up properly.

Sensor Installation

• Mount the vibration transducers securely on the machine's housing where vibrations are most pronounced, typically near the bearings.
• Aim the optical rpm sensor at the rotating shaft and apply a reflective strip to the shaft for phase angle data acquisition.

Starting the Program

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

Initial Vibration Measurement

• Bring the rotor to its normal operating rotational frequency.
• The program will record the vibration amplitude, rpm, and phase, providing a baseline measurement of the existing imbalance.

Attaching the Trial Weight

• 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).
• Run the rotor again, allowing the software to measure the effects of the trial weight on vibration and phase.

Calculating the Correction Weight

• The software uses the measured values to automatically compute the necessary compensating weight's magnitude and placement angle.
• The results of the calculation are shown both numerically and visually through charts and graphs.

Mounting the Compensating Weight

• Attach the computed compensating weight to the rotor as indicated by the software's output.
• If necessary, perform intermediate checks to verify that the imbalance is being reduced.

Final Check and Balance Confirmation

• After installing the correction weight, run the rotor again and check the residual vibration level.
• If the measured vibration falls within the tolerance defined by ISO 1940, the balancing process is considered successful.
• Should the vibration still be excessive, repeat the balancing steps, making further adjustments to the corrective weight as needed.

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.

Final Recommendations

• Verify the secure attachment of all balancing weights and measurement sensors.
• Check that the rotor's rotation is smooth and free from undue noise or vibration.
• If the rotor is part of a complex mechanism, verify the proper interaction of all its components.

Following this procedure enables accurate balancing, minimizes vibration, and prolongs the service life of the equipment.

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