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Drive Shaft Balancing Machine

PHC-100

Drive Shaft Balancing Machine

Hard-bearing balancing machine for dynamic balancing of drive shafts

The PHC-100 is a hard-bearing balancing machine designed for the precise dynamic balancing of automotive drive shafts. It accommodates a maximum support weight of 100 kg, a maximum tube diameter of 120 mm, and a total shaft length of up to 2000 mm.

With a maximum balancing speed of 2400 rpm, the drive shaft balancing machine provides reliable and efficient testing performance. The machine is simple to operate, safe in use, and comes equipped with the advanced ZL-210 touchscreen balancing system, which ensures accurate measurement, intuitive control, and clear data display.

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Specifications
Max. workpiece weight 100kg
Max. diameter of drive shaft 120mm
Min. distance between two bearing supports 100mm
Max. length of drive shaft 2000
Min. achievable residual unbalance (eMar) ≤1g.mm/kg
Unbalance reduction ratio (URR) ≥90%
Electronic measuring system ZL-210 dynamic balancing measuring system (touch screen)
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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.