YYQ-1000 Belt Drive Dynamic Balancing Machine | Shenke
Balance rotors up to 1000 kg without marking the shaft surface: belt drive transmission, Ø1600 mm workpiece diameter and a 4 kW variable-speed motor for fan and motor rotor workshops.
The YYQ-1000 is a belt drive dynamic balancing machine for shaft-type rotors up to 1000 kg, with a maximum workpiece diameter of Ø1600 mm. Its 160–1780 mm height range and Ø35–200 mm journal capacity on the roller carriages let one machine cover a spread of medium and large rotors, so workshops balancing more than one product line do not need a separate machine per size.
The rotor is driven by a belt wrapped around its own diameter, Ø40–700 mm on this model, so nothing has to be coupled to the shaft end. Machined journals and bearing seats stay untouched, and no coupling alignment is needed before a run. A 4 kW variable-frequency motor allows the balancing speed to follow the workpiece instead of forcing the workpiece to match a fixed drive speed.
The stated measurement performance is ≤0.5 g·mm/kg minimum achievable residual unbalance with a 90% unbalance reduction ratio — the working range most fan, motor, pump and roller rebuilders need before final assembly.
Typical work includes fan impellers, motor rotors, pump rotors, rollers and comparable cylindrical parts. If you are comparing dynamic balancing machines across capacity classes, YYQ-1000 marks the point where belt drive still makes practical sense before rotor mass pushes you toward another drive and support arrangement. Our rotor balancing solutions team can confirm whether your workpiece fits the 1000 kg and Ø1600 mm envelope, and the balancing technical guide explains how capacity, speed and accuracy interact.













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