It adopts full computer PLC control and touch screen operation. Any size can be set according to the operation requirements for blanking. The processing speed of this production line is 0~18 meters/min. It can produce "L" "mouth" type with bite mouth and TDF common plate method. Blue and hemmed air ducts. The fully automatic air duct production line occupies a small area, has linear processing and high production efficiency, and is suitable for large-scale air duct processing.The fully automatic air duct production lines mainly include: linear air duct production line, U-shaped air duct production line, and Z-shaped air duct production line.