A Downspout Roll Forming Machine is a type of cold roll forming equipment used to continuously shape metal coils (typically galvanized steel, aluminum, or copper) into downspouts—the vertical pipes that channel rainwater from roof gutters to the ground.
Seamless Production: Creates long, continuous downspout sections on-site.
Customization: Can produce various profiles (e.g., rectangular, round, corrugated) and lengths.
Efficiency: Fully automated operation with minimal manual intervention.
1.Uncoiler / Decoiler
Holds the metal coil and feeds it into the machine with controlled tension.
2.Infeed Guide & Leveling System
Flattens the metal strip and ensures precise alignment before forming.
3.Pre-Punching Unit (Optional)
Punches holes for screws, drainage, or connecting tabs before the metal is formed.
4.Roll Forming Stations
A series of tandem stands with hardened steel rollers that gradually shape the flat metal into the desired downspout profile.
5.Seaming / Locking Mechanism
Folds and locks the edges of the metal to form a secure longitudinal seam (e.g., Pittsburgh lock or snap-lock).
6.Flying Cut-Off System
Cuts the continuously formed downspout into preset lengths without stopping the machine.
7.PLC Control Panel
Allows operators to set parameters like length, quantity, and punching patterns.
8.Output Conveyor / Support Table
Collects finished downspouts without damaging the surface.
K-Style / Rectangular: Standard in residential buildings.
Round: Common in commercial and historic architecture.
Corner Downspouts: Designed to fit neatly into building corners.
Decorative Profiles: Ornamental designs for aesthetic appeal.
A Downspout Roll Forming Machine automates the production of downspouts with high precision, speed, and consistency. By enabling on-site fabrication of seamless downspouts in custom lengths, it improves installation efficiency, reduces labor costs, and enhances the durability and appearance of rainwater management systems.
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