Detailed Rotor Balancing Process

Getting the Equipment Ready

• vibration sensors, optical speed sensor, magnetic base, software package, and included accessories.
• Establish a USB connection between the instrument and the computer, ensuring the software is set up properly.

Setting Up the Sensors

• 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.

Launching the Software

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

• Run the rotor up to its operating speed.
• 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.

Determining the Corrective Mass

• Based on the measured data, the software automatically calculates the correction weight parameters: mass and installation angle.
• The results of the calculation are shown both numerically and visually through charts and graphs.

Installing the Correction Weight

• Mount the calculated corrective weight onto the rotor at the specified location and angle.
• If necessary, perform intermediate checks to verify that the imbalance is being reduced.

Verification and Balancing Completion

• With the compensating weight attached, operate the rotor and assess the level of any residual vibration.
• 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

• All balancing results are logged and archived within the software, from which you can produce a printable report summarizing the vibration levels, compensating weight, and its installation position.

Post-Balancing Checklist

• Ensure all applied weights and attached sensors are firmly fixed in their designated positions.
• Ensure the rotor rotates smoothly and without excessive noise.
• If the rotor operates within a larger assembly, check the functionality and interplay of all interconnected parts.

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

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