الوصف

Line Ⅲ consists of material feeding frame,leveler grooving rolls,hydraulic notching and punching square equipment and hydraulic folder. The electrical is controlled by computer. This conntrol system has loop feedback system,with higher manufacturing precision and stability.The maximum work speed is *6m/min.The length tolerance is ±0.5mm.The diagonal tolerance is ±0.8mm.It is with highly efficiency and automatic and also saves material. It is very sutiable for mass production of square duct manufacture.