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

    • YFW-100/YFW-160

    Fan Impeller Balancing Machine

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

    The YFW-100 and YFW-160 are hard-bearing balancing machines widely used for the dynamic balancing of fan impellers and blowers. Their hard-bearing design ensures that the operating speed remains well below the system’s resonance speed, guaranteeing safe and stable operation. The fan impeller balancing machines are also suitable for balancing electric motor rotors, small fan rotors, crankshafts, pulleys, and flywheels.

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    Specifications

    YFW-100 Fan Impeller Balancing Machine

    Workpiece weight 3-100kg
    Max. workpiece diameter Ø100mm
    Journal diameter of workpiece (standard roller carriage) Ø10-90mm
    Distance between two bearing supports 60-1000mm/1700mm (or based on negotiation)
    Min. achievable residual unbalance (eMar) 1g.mm/kg
    Unbalance reduction ratio (URR) ≥90%
    Balancing speed (stepless speed control) 180-1200rpm (or based on negotiation)

    YFW-160 Fan Impeller Balancing Machine

    Workpiece weight 5-160kg
    Short-time overload capacity 300kg
    Max. workpiece diameter Ø1100mm
    Journal diameter of workpiece Ø10-90mm
    Distance between two bearing supports 60-1500mm (or based on negotiation)
    Min. achievable residual unbalance (eMar) 1g.mm/kg
    Unbalance reduction ratio (URR) ≥90%
    Features
    • Can be equipped with the ZL-220 electrical measurement unit or the advanced ZL-2 dynamic balancing system, developed with independent intellectual property rights.
    • The ZL-2 system combines new USB data acquisition hardware with an industrial PC or integrated computer, delivering high stability and strong anti-interference capability.
    • The software, built with NI LabVIEW virtual instrument technology, is intuitive and user-friendly, adaptable to different levels of operation and varied application scenarios.
    • Expandable functions allow customization to meet specific testing needs.
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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.