Our Recetangular Sheet Metal Duct Manufacturing Auto Line V is composed of rack,leveling embossing, hydraulic pointed mouth and square opening, hydraulic shearing machine, joint Angle displacement type nip machine, manipulator grabbing assumed a feeding platform, plate double joint flange and double linked list bone molding machine, servo feeding platform, TDF hydraulic crimping machine, electric control part adopts full computer control, bending servo feeding, positioning precision, especially the “口” word processing line, guarantee the precision of bending, its maximum feed speed is 16 m/min, the length of error of plus or minus 0.5 mm, the line can be processing TDF flange, are two kinds of Angle steel flange duct, exchange is simple and rapid.