The machine applies both sides feeding and simultaneously shaping work mode, one side forming and one side forming is for installing hooks. Apply shared-plate flange, therefore, the rectangle ductwork flange can be fast processed. It features low making cost and high installing efficiency, convenient for standard and batches of production. It is suitable for making rectangle wind pipe with big section.
The machine can directly fold the plates with prepared flange,achieving 3-folding on the plate, it is the necessary equipment for flange duct-work processing,additionally,it can be also used as universal edge folding machine.
