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+---- Thread: How to eliminate propeller vibration? (/showthread.php?tid=22)
How to eliminate propeller vibration? - EQiblybolve - 01-13-2025
<h2> Employing the Balanset-1A System </h2>
<h3> Equipment Preparation </h3>
<ul>
<li> accelerometers, laser rpm sensor, mounting stand, software application, and additional tools. </li>
<li> Establish a USB connection between the instrument and the computer, ensuring the software is set up properly. </li>
</ul>
<h3> Setting Up the Sensors </h3>
<ul>
<li> Attach the vibration sensors firmly to the machine casing in areas with the highest vibration amplitude, usually close to the bearing supports. </li>
<li> Aim the optical rpm sensor at the rotating shaft and apply a reflective strip to the shaft for phase angle data acquisition. </li>
</ul>
<h3> Software Startup </h3>
<ul>
<li> Initiate the Balanset program on your computer. </li>
<li> Configure the software for either single-plane or two-plane balancing, based on the rotor's characteristics and the desired outcome. </li>
</ul>
<h3> </h3>
<a href="https://vibromera.eu/wp-content/uploads/2024/11/2-Camera_01.png" target="_blank">
<img src="https://vibromera.eu/wp-content/uploads/2024/11/2-Camera_01.png" alt="2-Camera_01" style="width: 50%; display: block; margin-bottom: 10px;">
</a>
<ul>
<li> Operate the rotor at its intended working speed. </li>
<li> The application will acquire data on vibration magnitude, rotational velocity, and phase angle to determine the initial imbalance state. </li>
</ul>
<h3> Trial Weight Installation </h3>
<a href="https://vibromera.eu/wp-content/uploads/2024/11/3-Camera-2_01.png" target="_blank">
<img src="https://vibromera.eu/wp-content/uploads/2024/11/3-Camera-2_01.png" alt="3-Camera-2_01" style="width: 50%; display: block; margin-bottom: 10px;">
</a>
<ul>
<li> Stop the rotor and attach a trial weight at a specific location on the rotor. The weight's mass can be specified within the software (e.g., in grams). </li>
<li> Restart the rotor, and the software will record the changes in vibration level and phase angle. </li>
</ul>
<a href="https://vibromera.eu/wp-content/uploads/2024/11/5-Camera_01.png" target="_blank">
<img src="https://vibromera.eu/wp-content/uploads/2024/11/5-Camera_01.png" alt="5-Camera_01" style="width: 50%; display: block; margin-bottom: 10px;">
</a>
<h3> Computing the Compensating Weight </h3>
<ul>
<li> Using the acquired measurements, the program automatically determines the required corrective weight's mass and angular position. </li>
<li> These parameters are displayed on the screen as numerical data and graphs. </li>
</ul>
<a href="https://vibromera.eu/wp-content/uploads/2024/02/Bs1ManualEngV156-May2023-10448629.png" target="_blank">
<img src="https://vibromera.eu/wp-content/uploads/2024/02/Bs1ManualEngV156-May2023-10448629.png" alt="Bs1 Manual" style="width: 30%; display: block; margin-bottom: 10px;">
</a>
<h3> Mounting the Compensating Weight </h3>
<ul>
<li> Install the correction weight on the rotor according to the software's calculations. </li>
<li> If necessary, perform intermediate checks to verify that the imbalance is being reduced. </li>
</ul>
<a href="https://vibromera.eu/wp-content/uploads/2024/11/1-Camera-2_01.png" target="_blank">
<img src="https://vibromera.eu/wp-content/uploads/2024/11/1-Camera-2_01.png" alt="1-Camera-2_01" style="width: 50%; display: block; margin-bottom: 10px;">
</a>
<h3> Validation and Conclusion of the Balancing Process </h3>
<ul>
<li> After installing the correction weight, run the rotor again and check the residual vibration level. </li>
<li> If the vibration level is within acceptable limits (according to ISO 1940), the balancing is complete. </li>
<li> Should the vibration still be excessive, repeat the balancing steps, making further adjustments to the corrective weight as needed. </li>
</ul>
<h3> Report Generation </h3>
<ul>
<li> 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. </li>
</ul>
<h3> Final Recommendations </h3>
<ul>
<li> Ensure all applied weights and attached sensors are firmly fixed in their designated positions. </li>
<li> Confirm that the rotor spins freely and quietly, without any unusual sounds or vibrations. </li>
<li> If the rotor is part of a complex mechanism, verify the proper interaction of all its components. </li>
</ul>
<p> </p>
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