Half-Round Rain Gutter Roll Forming Machine
Product Introduction
This half-round rain gutter roll forming machine is a fully automated, high-efficiency production line designed for manufacturing seamless half-round rain gutters. It processes metal coils (GI, PPGI, aluminum, etc.) into precise, uniform half-round profiles in one continuous workflow.
Ideal for residential and commercial roofing drainage systems, this machine delivers exceptional dimensional accuracy, smooth surface finishes, and long-term operational stability. The line includes a decoiler, forming main machine, and simple run-out table, offering a complete, low-maintenance solution for high-volume production.
Core Advantages
- ✅ High Precision Forming: Ensures consistent gutter dimensions with ±0.5mm tolerance
- ✅ Durable Rollers: Cr12MoV material with heat treatment for long service life
- ✅ High Efficiency: Production speed up to 15-20m/min for continuous output
- ✅ Easy Operation: PLC control with touchscreen interface for parameter setup
- ✅ Low Maintenance: Modular design and standardized components reduce downtime
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Simple Run-Out Table
The run-out table is located at the end of the forming line, designed to support finished gutters and prevent bending or damage after cutting.
- Structure: Heavy-duty steel frame with reinforced support legs
- Function: Provides stable support for long profiles, reducing sagging and ensuring straightness
- Advantages: Simple installation, low maintenance, and compatible with various gutter lengths.
Forming Main Machine
The forming machine is the core of the production line, where the metal strip is progressively shaped into the half-round gutter profile.
- Roller Stations: Multiple forming stations (14–18) with gradual bending angles to avoid material stress
- Chain Drive: Heavy-duty double chain transmission for synchronized roller movement
- Adjustable Design: Rollers are adjustable to accommodate different gutter sizes
Decoiler (Uncoiler)
The decoiler is the starting point of the production line, designed to hold and feed metal coils into the forming machine smoothly.
- Capacity: Supports coil weights up to 3 tons (customizable)
- Structure: 4-arm expanding mandrel for stable coil clamping
- Operation: Manual/optional motorized rotation for controlled feeding
- Advantages: Prevents material tangling, ensures consistent material tension, and protects the coil from deformation during unwinding.
| Item |
Specification |
| Applicable Material |
GI / PPGI / Aluminum / Stainless Steel |
| Material Thickness |
0.4–0.8mm |
| Effective Width (Customizable) |
150–300mm (based on gutter size) |
| Profile Type |
Half-round rain gutter |
| Forming Stations |
12–16 stations |
| Shaft Diameter |
50mm solid steel shafts |
| Roller Material |
Cr12MoV, quenched to HRC 58–62 |
| Working Speed |
10–20 m/min |
| Cutting System |
Hydraulic post-cutting (blade: Cr12MoV) |
| Control System |
PLC + Touchscreen (Siemens/Mitsubishi optional) |
| Main Motor Power |
5.5–7.5 kW |
| Voltage |
380V/50Hz/3Phase (customizable) |
| Line Length |
~6–8 meters |
| Overall Weight |
~3–4 tons |
Forming Main Machine
The forming machine is the core of the production line, where the metal strip is progressively shaped into the half-round gutter profile.
- Roller Stations: Multiple forming stations (12–16) with gradual bending angles to avoid material stress
- Chain Drive: Heavy-duty double chain transmission for synchronized roller movement
- Adjustable Design: Rollers are adjustable to accommodate different gutter sizes
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