This machine and Auto Duct Forming machine has the same characteristic. In addition; it makes needed perspectives to produce self flanged ducts. Auto duct forming machine with notching system has a punch system more than Standard Auto Duct Forming Machine. The machine can be arranged for both sparking flange and self flange. This unit is designed with hydraulic system and for hydraulic cylinders (two cylinders in one side, two cylinders are on the other side) it perforates appropriate thin plate to the twist point in desired coordinates (dimensions entered fromtouch screen). Notching stations can be adapted manually at the side of right and left according to width of sheet. Punch dimensions can be changed for different flanges.