CNC swing nozzle is a device that precisely transform the digital pulse signal sent out by the control system into the installation by the specialized precision mechanism, which can make the nozzle swing, rotate at a certain angle. The movement angle and speed of CNC swing nozzle can be controlled by the digital control system. CNC swing nozzle has the advantages of large output torque, digital control system, precise movement, which is mainly suitable for waterscape of music fountain.