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

    • YFW-30000

    Fan Impeller Balancing Machine

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

    The YFW-30000 is a hard-bearing balancing machine designed for large-scale fan manufacturers. With its exceptionally high driving torque and large rotational diameter capacity, it is ideally suited for balancing very large fan impellers and heavy-duty rotors. It also offers great flexibility in configuration that can be customized with different speed control methods, measurement systems, and other features to match specific industrial applications depending on production capacity, process conditions, and operator requirements.

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    Specifications
    Workpiece weight 2000-30000kg
    Accidental overload of each support 16000kg
    Max. workpiece diameter 4500mm
    Journal diameter of workpiece 80-400mm
    Distance between two bearing supports Distance between two bearing supports 6500mm
    Balancing speed 180-1400r/min
    Min. achievable residual unbalance (eMar) ≤2g.mm/kg
    Unbalance reduction ratio (URR) ≥90%
    Features
    • Compatible with both the ZL-220 embedded electrical measurement system and the advanced ZL-2 industrial control system, meeting the needs of different users
    • ZL-220 system: an embedded microprocessor-based solution with a strong market presence and wide user recognition
    • ZL-2 system: developed using NI LabVIEW technology, providing an intuitive, user-friendly interface, can be adapted to various operating levels and environments, with extensive expansion and customization capabilities based on user requirements
    • Durable design ensures stable performance, accurate measurement, and safe balancing of oversized fan rotors.
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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.