TDF folding machine also called Sheet Metal Folding Machines,wrap brake, flange folding machineThe TDF/GDF wrap brake is designed to allow a single operator to accurately place and fold flat blanks with TDF or GDF rollformed flanges into L-shape or full wrap duct sections.Features:>Heavy duty welded steel frame, solid top beam>Maintenance-free hydraulically powered folding beam>“L” section and full ductwork>Patented Sliding Sections provide adjustable notch locators for TDF flange or GDF flangeModel No.Max Coil WidthMinimum fold ductThickness RangeCHF-1.2*13001300mm140*140mm0.4-1.2mm18-30 GaCHF-1.2*16001600mm