1.Flanging machine is especially designed for the construction of axial fans body and for the construction of piping for ventilation. 2.It execute ribbing, flanging, punching and beading (stiffening of flange) on ferrule / duct. 3.Machine do all the working operations with only one positioning of piece. 4.Ferrule is clamped directly on the spindle through an expansion tool which is provided with interchangeable segments that can be easily manufactured. 5.Quick tool and segments change. 6.Cycle programming is very fast and simple. 7.Alignment of punched holes with laser projector.