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YYW-500 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-500 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-500 Hard-Bearing Balancing Machine (Universal Joint Drive)
  • YYW-500 Hard-Bearing Balancing Machine (Universal Joint Drive)

    • YYW-500

    Horizontal Balancing Machine

    Hard-bearing balancing machine (universal joint drive) for workpiece with diameter of up to 1400mm and weight of 8-500kg

    • Horizontal hard-bearing balancing machine with roller supports and universal joint drive
    • Machine bed made from a single casting for high strength and stability
    • Suitable for motors, fans, agricultural machinery, and textile equipment
    • Supports single-plane, dual-plane, and multi-plane balancing measurements
    • Multiple measuring methods and functions available, including parameter input, preview, testing, result storage, and printing
    Applications

    This model is suitable for dynamic balancing of long-shaft components and a wide range of rotors, including motor rotors, pump and fan impellers, separator rotors, oil press rotors, rollers, paperboard machine rotors, as well as crushers, straw returning machines, and corn harvesters.

    • Motor rotors balancingMotor rotors balancing
    • Pump impellers balancingPump impellers balancing
    • Fan impellers balancingFan impellers balancing
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    Specifications
    Workpiece weight 8-500kg
    Max. workpiece diameter Ø1400mm
    Distance between two bearing supports 80-2500mm
    Journal diameter of workpiece Ø10-Ø90mm
    Balancing speed Stepless speed control
    Min. achievable residual unbalance (eMar) ≤1g.mm/kg
    Unbalance reduction ratio (URR) ≥90%
    Features
    • Can be equipped with the ZL-220 (digital display type) or the ZL-210 (touch screen type) dynamic balancing measuring system. Both are designed for fast and accurate unbalance detection.
    • These measuring systems use large-scale integrated circuits, allowing results to be displayed within five seconds. Unbalance values and phase are shown directly in grams and degrees.
    • Even after the rotor has stopped, the system can switch between light and heavy rotors, with automatic memory that simplifies operation.
    • An optional ZL-210 industrial PC measuring system can also be configured, with printer support for convenient output and storage of test data.
    Examples of Workpieces Our Machines Can Balance
    • Agricultural rotorsAgricultural rotors
    • Knife shafts for straw returning machinesKnife shafts for straw returning machines
    • Slurry pump impellersSlurry pump impellers
    • Corn threshing machine rotorsCorn threshing machine rotors
    • Corn harvester rotorsCorn harvester rotors
    • Basket screensBasket screens
    • Mixer shafts for plastic machineryMixer shafts for plastic machinery
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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.

    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.