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Drive Shaft Balancing Machine
  • Drive Shaft Balancing Machine
  • Drive Shaft Balancing Machine

    • YRD-200A

    Drive Shaft Balancing Machine

    Hard-bearing balancing machine for dynamic balancing of drive shafts

    The YRD-200A is a hard-bearing balancing machine designed for the dynamic balancing of automotive drive shafts. It is suitable for balancing single drive shafts of passenger cars such as Santana, Audi, and Shanghai-brand vehicles, as well as light-duty trucks and heavy-duty vehicles including Dongfeng and Jiefang models, along with other shafts of similar types. It can also be applied to the dynamic balancing of shorter drive shafts, offering flexibility across a wide range of automotive applications.

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    Specifications
    Max. workpiece weight 200kg
    Max. workpiece length 3500mm
    Max. diameter of drive shaft 130mm
    Max. initial unbalance of drive shaft 1000g.cm
    Min. achievable residual unbalance (eMar) 20g.cm
    Phase angle error when adding a trial unbalance of 200g.cm < 15°
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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.