... initial unbalance permitted High precision&efficiency Belt Drive Balancing Machine: PHQ-2000 Belt Driven Balancing MachineProduction Description• Specially designed brackets transmit ... balancing rotatable bodies, such as kinds of good-sized and medium-sized motors, textile machinery, pump impeller ,rubber roller ,cylinder , fans, shaft ... Amount (emar)0.5g· mm/kg Belt Drive Balancing Machine (PHQ-2000)