This machine is mainly used in rotary drums, motors, centrifugal fan, mill rotor, other fans, paper industry and other parts of the balance calibration. The machine uses a universal joint and lap belt transmission, need to be replaced according to different transmission mode, the machine starts long before adjusting for the front rotor radius of the two schools, will be able to start at right shows a workpiece and phase unbalance. The machine displays part of the digital display, the use of advanced BAL-280 measuring box, fully functional and can be man-machine dialogue operation.