Professional dynamic balancing calibration is critical for industrial brush rolls before delivery. The process eliminates weight unbalance caused by filament density difference and roller body machining tolerance. Balanced brush rolls run smoothly at high rotating speeds, greatly reducing vibration, noise and workpiece surface chatter marks during grinding and deburring operations. It also protects machine spindle bearings, prolongs the service life of both the brush roll and processing equipment, guaranteeing stable finishing quality for long-term continuous automated production.