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YYW-20000 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-20000 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-20000 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-20000 Hard-Bearing Balancing Machine (Universal Joint Drive)

    • YYW-20000

    Horizontal Balancing Machine

    Hard-bearing balancing machine (universal joint drive) for workpiece with diameter of up to 3500mm and maximum weight of 20000kg

    • Handles workpieces up to 20,000 kg in weight and 3,500 mm in diameter
    • Stepless speed control with a frequency converter for smooth and accurate adjustment
    • Equipped with a telescopic universal joint gearbox for high load capacity and steady performance
    • Wide support design to keep the machine stable during heavy-duty balancing
    • Minimum residual unbalance (eMar) ≤1 g·mm/kg for reliable precision
    Applications

    Suitable for balancing a wide range of large components, including motor rotors, fan impellers, separator rotors, large generator rotors, turbines, mining machinery parts, rollers, and printing machinery.

    • Motor rotors balancingMotor rotors balancing
    • Fan impellers balancingFan impellers balancing
    • Mining machinery components balancingMining machinery components balancing
    • Rollers balancingRollers balancing
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    Specifications
    Max. workpiece weight 20000kg
    Max. workpiece diameter 3500mm
    Journal diameter of workpiece Ø80-400mm
    Min. distance between two bearings 400mm
    Max. distance from coupling end to right bearing support 8000mm (or customizable)
    Balancing speed (5-step speed control) Variable speed control (max. speed)
    Step 1: 208r/min
    Step 2: 350r/min
    Step 3: 588r/min
    Step 4: 966r/min
    Step 5: 1440r/min
    Min. achievable residual unbalance (eMar) ≤1 g.mm/kg
    Unbalance reduction ratio (URR) ≥90%
    Electronic measuring system ZL-210 dynamic balancing measuring system (touch screen) with cabinet
    Electrical control cabinet Free-standing control cabinet
    Features
    • Uses a variable-frequency drive for stepless speed adjustment, driven by a three-phase asynchronous motor.
    • Gearbox is from the QJ series, based on German ZF technology, offering strong performance and reliability.
    • The balancing machines can be equipped with the advanced ZL-210 dynamic balancing measuring system (industrial PC type) for higher precision and safer operation.
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    Explore Balancing Equipment for Your Industry

    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.

    For accurate readings, balancing machines should be installed on a solid industrial floor to avoid external vibrations. This stable setup is especially important for hard-bearing models, where force measurement is used to calculate unbalance.