Četrtek, 17 November 2016 07:36 Written by
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Medicina in farmacija

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Medicina in farmacija
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    The Necessity of Centrifuge Balancing in Industrial Applications
    Centrifuge balancing is a critical aspect of maintaining efficiency and operational integrity in various industries, including chemical, food, oil and gas, and pharmaceuticals. Centrifuges serve essential functions, and their capability to perform at high speeds without interruptions hinges significantly on optimal balancing. When centrifuges operate with imbalances, it can result in various detrimental outcomes.

    Consequences of Imbalance
    Imbalances in centrifuge operation can lead to an array of problems. Firstly, product quality is compromised as unstable operation hampers proper component separation. This is particularly evident in the food sector, where an imbalance can spoil substantial product batches, increasing waste and lowering overall quality. Furthermore, excess vibrations induced by imbalances can lead to accelerated wear on crucial components like bearings, shafts, and couplings. A scenario in which an entire production line halted due to excessive wear underscores the potential severity of neglecting balance.

    Additionally, strong vibrations can create disturbing noise levels in the workspace, causing discomfort and health hazards for employees. Beyond these immediate concerns, other issues arise from uneven loads. These may lead to cracks forming in the centrifuge casing, loosening of fasteners, and a spectrum of other mechanical failures. The cumulative effect of minor imbalances can escalate into significant equipment damage if left unaddressed.

    The Importance of Dynamic Centrifuge Balancing
    The necessity of dynamic centrifuge balancing becomes clear, particularly as rotation speeds increase. Higher speeds amplify the consequences of operating with imbalance. For instance, there was an incident in a plant where a lack of proper balancing culminated in the total breakdown of an expensive centrifuge, resulting in considerable financial loss. Regular maintenance checks and preventive balancing are fundamental practices that not only prolong the lifespan of centrifuge equipment but also avert severe malfunctions and costly downtimes.

    On-Site Dynamic Balancing: An Optimal Solution
    Dynamic balancing is typically conducted at the installation site of the centrifuge, utilizing the machine’s support bearings without necessitating dismantling. This method confers several substantial advantages. The first is speed; the need for transporting and disassembly is eliminated, allowing for prompt balancing. In one case, this efficiency saved a whole day of production.

    Accuracy is another significant advantage. By balancing the rotor in its operating bearings, we eliminate distortions that may emerge if the component were balanced separately on a balancing machine. This process circumvents numerous minor yet frustrating issues that can arise from miscalibrated equipment. Moreover, minimal intervention is required as dynamic balancing prevents the extensive assembly and disassembly of machinery, saving time and resources.

    The primary goal of achieving an optimal balance is ensured through on-site balancing as it achieves the lowest possible residual imbalance, allowing for flawless centrifuge operation. I have witnessed equipment perform as if it were freshly installed following a thorough balancing procedure.

    Tools and Techniques for Effective Balancing
    One pivotal tool in this process is the Balanset-1A vibration analyzer, which helps assess initial vibration levels and conduct the balancing task efficiently. This specialized device is renowned for its precision, versatility, and user-friendliness, making it indispensable for industrial applications.

    Step-by-Step Centrifuge Rotor Balancing
    The following steps detail the process required for effective centrifuge rotor balancing:

    Equipment Preparation and Program Setup: Begin by installing the vibration sensors perpendicular to the rotor's rotation axis—one positioned at the front and the other at the rear of the rotor. Next, secure the tachometer on a magnetic stand for stability and attach reflective tape to the rotor pulley.
    Initial Measurement: Connect the sensors and tachometer to the Balanset-1A device, ensuring the software recognizes all components. Start the centrifuge rotor, allowing it to reach operational speed before conducting the initial vibration level measurement.
    Balancing Steps for the First Plane: Install a test weight at the first measuring plane where the first vibration sensor is situated. Restart the centrifuge and take the second vibration measurement, confirming a change in vibration or phase by at least 20%.
    Balancing Steps for the Second Plane: Remove the test weight from the first plane and switch it to the second. Restart the centrifuge to record the third vibration measurement.
    Correction and Verification: The Balanset-1A program will provide instructions detailing the weights and angles needed for installation. After implementing these corrections, conduct a final vibration measurement to validate balancing success. If further weight adjustments are suggested, repeat as necessary.


    Conforming to Balancing Standards
    Compliance with current standards, such as ISO 1940-1-2007, is essential during centrifuge balancing. These standards dictate acceptable vibration levels tailored to each equipment class. Stricter norms yield heightened balancing requirements, ensuring efficient operation, reliability, and minimal wear under challenging conditions.

    Conclusion
    In conclusion, centrifuge balancing is not merely advantageous; it is vital for maintenance and long-term operational success in industrial environments. The consequences of neglecting proper balance can lead to accelerated wear, diminished productivity, and catastrophic failures. Regular balancing using modern tools like the Balanset-1A facilitates safe and rational equipment operation, ultimately translating to substantial savings on repairs and reducing production downtime.
    Available Products

    Balanset-1A Vibration Analyzer - €1,751.00
    Vibration Sensor - €90.00
    Optical Sensor (Laser Tachometer) - €124.00
    Balanset-4 - €6,803.00
    Magnetic Stand Insize-60-kgf - €46.00
    Reflective Tape - €10.00
    Dynamic Balancer “Balanset-1A” OEM - €1,561.00



    Article taken from https://vibromera.eu/

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