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Vibration Analysis Equipment: Balanset-1A

The Balanset-1A is a cutting-edge two-channel device designed for balancing and vibration analysis in a variety of industrial applications. This advanced equipment is specifically engineered to balance rotors such as crushers, fans, mulchers, choppers on combine harvesters, shafts, centrifuges, turbines, and more with precision and efficiency.

Key Features of Balanset-1A:

Vibrometer Mode:

• Tachometer: Accurately measures rotational speed (RPM).
• Phase: Determines the phase angle of vibration signals for precise analysis.
• 1x Vibration: Measures and analyzes the fundamental frequency component.
• FFT Spectrum: Provides a detailed view of the frequency spectrum of vibration signals.
• Overall Vibration: Measures and monitors the overall vibration levels.
• Measurement Log: Stores measurement data for analysis.

Balancing Mode:

• Single Plane Balancing: Balances rotors in a single plane to reduce vibration.
• Two Plane Balancing: Balances rotors in two planes for dynamic balancing.
• Polar Graph: Visualizes the unbalance in a polar graph representation for accurate weight placement.
• Restore Last Session: Allows you to resume a previous balancing session for convenience.
• Tolerance Calculator (ISO 1940): Calculates the acceptable balancing tolerance according to the ISO 1940 standard.
• Grinding Wheel Balancing: Circular groove – used for grinding wheel balancing. In this case, 3 counterweights are used to eliminate unbalance.

Charts:

• Overall Charts: Provides visual representation of overall vibration.
• 1x Charts: Displays the vibration patterns of the fundamental frequency component.
• Harmonic Charts: Shows the presence and impact of harmonic frequencies.
• Spectrum Charts: Presents a graphical representation of the frequency spectrum for in-depth analysis.

Additional Capabilities:

• Archive: Store and access previous balancing sessions.
• Reports: Generate detailed reports of balancing results.
• Re-balancing: Easily repeat the balancing process using saved data.
• Serial Production Balancing: Suitable for balancing rotors in serial production.

The Balanset-1A offers the flexibility to select either the Imperial or Metric system, ensuring compatibility and convenience globally.

When utilizing the Balanset-1A from Vibromera for rotor balancing, several key steps are involved, from equipment preparation to corrective weight installation.

Equipment Preparation:

Set up vibration sensors perpendicular to the rotor's axis of rotation. Attach the laser tachometer to a magnetic stand, directing it towards the reflective tape on the pulley. Connect the sensors to the device and link the device to a laptop via USB. Launch the Balanset software, selecting the two-plane balancing mode.

Initial Vibration Measurement:

Prior to balancing, suspend a test weight and record its weight and installation radius. Start the rotor and measure the initial vibration level to determine the amplitude and phase of the initial imbalance.

Balancing in the First Plane:

Place the test weight in the first balancing plane corresponding to the position of the first sensor. Start the rotor to measure the vibration level. It is crucial that the amplitude or phase changes by at least 20%, indicating partial correction of the imbalance.

Balancing in the Second Plane:

Transfer the test weight to the second plane (where the second sensor is located), restart the rotor, and conduct measurements. These data assist the program in calculating the precise position and weight of the corrective weights.

Correcting the Imbalance:

Based on the data obtained, the Balanset program will suggest corrective weights and their installation angles for both planes. Remove the test weight, prepare the corrective weights as per the program's recommendations, and install them at the required angle in the rotor's rotation direction from the initial test weight position.

Validation and Completion of Balancing:

Initiate the rotor for a final balance check. If the vibration has decreased to an acceptable level, the process is complete. If further correction is needed, the program will guide you on where and how much additional weight to install.

It is essential to conduct balancing on technically sound mechanisms securely fastened in their designated positions. Prior to balancing, the mechanism should be repaired, fitted with sound bearings, and secured. The rotor must be cleansed of any contaminants hindering the balancing process.

Before measurements, select installation locations and set up vibration and phase sensors according to the recommendations provided. It is advisable to conduct measurements in vibrometer mode before balancing.

By analyzing the vibration graphs obtained in the "Graphs-Spectral Analysis" mode, useful insights can be gained. If the total vibration value V1s(V2s) is approximately equivalent to the rotational component value V1o(V2o), the primary contributor to the mechanism's vibration is likely rotor imbalance. However, if the total vibration significantly exceeds the rotational component value, a thorough inspection of the mechanism is recommended.

It is recommended to ensure the absence of significant static imbalance before balancing with the device. For horizontally positioned axis rotors, manually rotate the rotor by 90 degrees from the current position. If the rotor is statically unbalanced, it will align itself. Once the rotor reaches equilibrium, place a balancing weight at the top position near the middle of the rotor's length. The weight should be chosen to keep the rotor stationary in any position. This preliminary balancing aids in reducing vibration during initial start-ups of highly unbalanced rotors.

Balancing rotors in one and two correction planes depends on the structural features of the rotor of the machine being balanced. Single-plane balancing ("static") is typically performed for narrow disc-shaped rotors without significant axial runout, while two-plane balancing ("dynamic") is carried out for long (shaft-like) two-bearing rotors.

Whether you are balancing a narrow grinding wheel or a lengthy electric motor rotor, the Balanset-1A provides the tools and precision needed to achieve optimal balance, reduce vibration, and enhance operational efficiency.

Contact Information:

For more information about our Balanset balancing devices and other products, please visit our website: https://vibromera.eu.

Subscribe to our YouTube channel, where you will find instructional videos and examples of completed work: https://www.youtube.com/@vibromera.

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