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Fan Impeller Balancing Machine
  • Fan Impeller Balancing Machine
  • Fan Impeller Balancing Machine
  • Fan Impeller Balancing Machine

    • YFW-5000/YFW-6000

    Fan Impeller Balancing Machine

    Hard-bearing balancing machine for dynamic balancing of fan impellers and blowers

    The YFW-5000 and YFW-6000 are hard-bearing balancing machines designed for medium- and large-scale fan manufacturers. These fan impeller balancing machines feature a large impeller diameter capacity (up to 2500 mm and 3000 mm respectively) and high driving torque, making them ideal for balancing heavy-duty fan rotors. Their flexible configuration allows users to choose between an integrated or split/modular machine base, depending on production capacity and process requirements, ensuring adaptability to different manufacturing environments.

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    Specifications
    Model YFW-5000 YFW-6000
    Workpiece weight 200-5000kg 500-6000kg
    Max. workpiece diameter 3000mm 3000mm
    Journal diameter of workpiece 60-300mm 60-300mm
    Distance between two bearing supports 400-2500mm 400-3500mm
    Balancing speed (stepless speed control) 180-1400r/min 180-1400r/min
    Unbalance reduction ratio (URR) ≥90% ≥90%
    Min. achievable residual unbalance (eMar) 1.gmm/kg 1.g.mm/kg
    Features
    • High load capacity and suitability for large-diameter rotors
    • Low balancing speed with stepless speed regulation for safe and precise testing
    • Optional split-base structure lowers the center of gravity of the rotor, significantly enhancing machine stability and safety
    • Equipped with advanced electrical measurement systems: the ZL-220 embedded unit and the ZL-2 industrial control system, both developed in-house with proprietary technology
    • Offers improved stability and faster performance compared to previous models, featuring accurate measurement, strong human-machine interaction, and advanced functionality
    • Sturdy H-type support frame with lightweight yet reliable structure, providing low damping, high rigidity, and accurate vibration response
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    Balancing machines are instruments that indicate if a rotating component, such as a rotor or fan, rotates in an unbalanced manner. If the component wobbles or vibrates a lot, the balancing machine will point out the imbalance so it can be corrected. The importance of balancing is directly related to the longevity of the rotating component and how well the component functions.

    Soft-bearing machines use flexible supports, making them sensitive to very small vibrations and suitable for lighter or smaller parts that require high accuracy. Hard-bearing balancing machines, on the other hand, use more rigid supports, so they are more suitable for larger and heavier rotors. Hard bearing balancing equipment may be less sensitive to tiny vibrations, but they are easier to set up and give reliable results across a wider range of workpieces.

    Balancing machines are used to rotating parts such as motor rotors, impellers, fans, flywheels, clutches, gears, pulleys, and brake drums. By correcting unbalance, they help reduce vibration, extend service life, and keep production running more smoothly.

    Balancing machines can be configured with belt drive, universal joint drive, or self-drive. Belt drive is usually chosen for smaller rotors that require accuracy, while universal joint drive delivers higher torque and is safer for heavier parts. Self-drive designs are used when the workpiece can rotate under its own power.

    Accuracy may be affected by operator handling, incorrect markings, or mismatched correction points. Technical issues such as damaged sensors, loose connections, or electronic failures can also play a role. Regular calibration and proper setup help keep results consistent.