Features:
>Modular design allows adding a section at a time
>Three sets of twin-motor driven dual-decoilings, selectable coils stand by, maximum capacity of 5-ton per station (optional: up to 10-ton per station)
>Pneumatic controlled straightener and beader
>Patented Automotion pittsburgh lock former, forms pittsburgh lock and right angle, roll forming and shearing simultaneously, shorten working time, a perfect match to duct auto line
>Duplex GDF flange former, forms GDF flange by double sides 
>Comifo patented hydraulic fold- seamer seams a fullwrap duct after folding
>Optimizes floor space by inline position of machines, guarantees high efficiency
>Accurate PLC control unit, preset available profiles and folding style, notching size, punching size, cutting dimension on touchscreen

Capabilities:
√  Alternative width for 4(1300mm) or 5(1550) material
√  Sheet capacity: 18-27ga (0.4-1.2mm)
√  Shearing tolerance of ±0.5mm
√  Hydraulic folding diagonal tolerance of ±0.5mm
√  0-54FPM (0-18m/min) feeding speed,fast acting back gauge

Stations: coil-straightening-beading-punching square-notching-folding -shearing-automotion pittsburgh lock forming-coil conveyer (optional)-duplex GDF flange forming -hydraulic folding and seaming

Work Flow: