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YYQ-300/YYQ-500 Hard-Bearing Balancing Machine (Belt Drive)
  • YYQ-300/YYQ-500 Hard-Bearing Balancing Machine (Belt Drive)
  • YYQ-300/YYQ-500 Hard-Bearing Balancing Machine (Belt Drive)
  • YYQ-300/YYQ-500 Hard-Bearing Balancing Machine (Belt Drive)

    • YYQ-300/YYQ-500

    Horizontal Balancing Machine

    Hard-bearing balancing machine (belt drive) for workpiece with diameter of up to 1500mm and weight of 8-500kg

    • Handles a wide range of rotors with a belt drive setup.
    • H-type support frame provides strength, stability, and reliable operation.
    • Unbalance values are displayed directly in grams for quick reading.
    • Belt drive design makes loading and unloading simpler and faster.
    • The measuring system supports multiple methods and up to 10 support configurations, with options for weight correction and forward/reverse rotation.
    Applications

    Widely used for balancing motor rotors, centrifuge rotors, and small to medium blower rotors. They are also used for machine tool spindles, textile machinery parts, internal combustion engines, and other rotating components in electronics and machinery.

    • Motor rotors balancingMotor rotors balancing
    • Centrifuge rotors balancingCentrifuge rotors balancing
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    Specifications
    Model YYQ-300 YYQ-500
    Workpiece weight 8-300kg 10-500kg
    Max. workpiece diameter Ø1200mm Ø1500mm
    Journal diameter of workpiece Ø10-Ø90mm Ø10-Ø90mm
    Distance between two bearing supports 120 - 1800mm 120 - 2500mm
    Balancing speed 250-3000r/min 250-3000r/min
    Min. achievable residual unbalance (eMar) 0.5g.mm/kg 0.5g.mm/kg
    Unbalance reduction ratio (URR) ≥90% ≥90%
    Features
    • Before starting, operators only need to input known parameters such as the distance and radius of the two correction planes into the measuring unit. Once the rotor begins to rotate, the unbalance value and angle are displayed directly.
    • Equipped with advanced measuring systems, including the ZL-220 embedded dynamic balancing measuring system and the ZL-2 industrial control computer measuring system.
    Examples of Workpieces Our Machines Can Balance
    • Motor rotorsMotor rotors
    • RollersRollers
    • Standard rotorsStandard rotors
    • Motor rotorsMotor rotors
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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.

    The frequency depends on usage intensity and operating environment. In most cases, calibration is recommended to calibrate balancing machines once a year, but for machines running under heavy workloads or harsher conditions, more frequent checks are advised to maintain precision.

    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.

    Every wear tester goes through careful calibration and inspection in line with standards like ISO 9001. This step makes sure the measuring accuracy is verified and consistent before the tester is shipped out to clients.