Features of fan flanging machine: 1. Punching configuration saving function, only need to call out the program when changing workpiece (greatly reduces debugging difficulty, saves debugging time, and enhances the consistency of production products). 2. The spindle is equipped with high-power servo motor and star reducer to improve punching efficiency and indexing accuracy. 3. The flange width adjustment adopts step-type module, the flanging width is more stable, and the adjustment type saves time. 4. The corner star reducer is adopted to make the machine lower and more convenient to operate.