1.Material:Zinc coating steel 2.Thickness(mm):2.0-3.0 3.Forming speed(m/min):10-12 This series roll forming machines mainly consist of decoiler , feeding & guiding device , leveling device , punching device, main roll forming machine , hydraulic/electric cutting system, electric controlling system, stacker. Process flowDecoiler – Feeding & guiding -Leveling - punching -Cutting - roll forming - ...