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Drive Shaft Balancing Machine

RDB-200B/RDB-100B

Drive Shaft Balancing Machine

Soft-bearing balancing machine for dynamic balancing of drive shafts

The RDB is a soft-bearing balancing machine designed for the dynamic balancing of single drive shafts used in passenger cars, light-duty trucks, heavy trucks, and mining vehicles. With its soft-bearing support structure, the RDB delivers precise measurement and high efficiency, making it an ideal choice for large-scale drive shaft production facilities.

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Specifications
Model RDB-200B RDB-100B
Workpiece weight < 200kg (with clamping tools) 2-100kg
Max. workpiece diameter Ø130mm Ø110mm
Max. workpiece length 2350mm (or based on negotiation) 2100mm (or based on negotiation)
Min. measurement 5g·cm 5g·cm
Balancing speed ≤2000r/min 1600/2400/3200/4800 r/min
Max. initial unbalance of workpiece < 1500g.cm < 1500g.cm
Unbalance reduction ratio (URR) ≥90% ≥90%
Features
  • Equipped with advanced measurement systems including the ZL-220 embedded system and the ZL-2 industrial computer system.
  • Before operation, parameters such as correction surface dimensions and correction radius are input into the measurement unit.
  • Once the rotor begins to rotate, the system automatically displays the magnitude and phase of the unbalance, ensuring accurate and efficient balancing.
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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.