Double Layer Roofing Sheet Machine
What Is a Double Layer Roofing Sheet Machine?
A Double Layer Roofing Sheet Machine integrates two independent roll forming systems into one compact, unified chassis. Instead of buying and housing two separate machines, manufacturers can produce two distinct metal roofing or wall cladding profiles using a single production line, shared drive system, and unified PLC control center.
Core Product Classifications & Profile Combinations
Depending on your regional construction market and customer demands, a double-layer machine can be engineered into several high-demand product classifications:
Corrugated + Trapezoidal Profile Combination: The most popular global pairing. Corrugated sheets serve residential and agricultural projects, while trapezoidal panels dominate industrial roofing.
Corrugated + IBR Profile Combination: Pairs traditional sinusoidal corrugated profiles with high-strength IBR (Inverted Box Rib) profiles, widely specified in commercial sectors for aesthetic and drainage efficiency.
Trapezoidal + Wall Panel (Or Custom Profile): Combines a structural roofing profile with an exterior/interior wall cladding panel, perfect for complete steel structure building envelopes.
Custom Proprietary Profiles: Engineered strictly according to your approved CAD/PDF technical blueprints.
Dual-Profile Flexibility in a Single Footprint: Produces two completely different profile geometries without requiring a massive factory floor.
Optimized Capital Expenditure (CapEx): Reduces initial equipment investment compared to purchasing and installing two independent roll forming lines.
Smart Production & Rapid Switching: Features two independent forming decks on one frame. Switching profiles is achieved by shifting the material feeding path and adjusting the control program—no tedious dismantling of entire roller sets.
Shared Auxiliary Efficiency: Utilizes a shared decoiler, a unified PLC control cabinet, and a single hydraulic cutting unit, lowering long-term maintenance overhead.
Industrial & Commercial Buildings: Producing high-load trapezoidal and IBR sheets for warehouses, logistics parks, and factories.
Agricultural & Residential Housing: Manufacturing classic corrugated roofing sheets for farm structures and residential buildings.
Steel Structure Engineering: Supplying complete, matching packages of roof and wall cladding panels directly to construction sites.
Building Material Distribution: Enabling local distributors to transition from traders to active manufacturers, securing better profit margins.
Contractor In-House Production: Allowing large-scale contractors to fabricate panels on demand, eliminating third-party supply chain delays.
How Does a Double Layer Roofing Sheet Machine Work?
The standard production process follows a streamlined, continuous workflow:
Coil Loading -> Decoiling -> Feeding & Guiding -> Roll Forming (Layer 1 or 2) -> Encoder Length Measurement -> Hydraulic Post-Cutting -> Finished Sheet Output
Coil Loading & Decoiling
The metal coil (GI, PPGI, etc.) is loaded onto the decoiler, which continuously feeds the strip into the line.
Feeding and Guiding
The feeding system positions and aligns the material precisely before it enters the active forming stations.
Roll Forming
The metal strip passes through progressive forming rollers, gradually shaping it into the selected roofing profile without damaging the surface coating.
Length Measurement
An encoder tracks the linear travel of the formed panel in real-time.
Hydraulic Cutting
Once the preset target length is reached, the hydraulic post-cutting system automatically shears the panel cleanly.
Finished Sheet Output
The completed roofing sheet is discharged onto the run-out table for stacking and packaging.
Technical Specifications & Compliance Parameters
|
Parameter |
Configurable Specification |
|
Machine Type |
Double Layer Roofing Sheet Roll Forming Machine |
|
Product Profiles |
2 Integrated Profiles (Customizable per drawing) |
|
Compatible Materials |
GI / PPGI / GL / PPGL / Aluminum Coils |
|
Material Thickness |
0.30 mm - 0.80 mm (Customizable) |
|
Forming Speed |
10 m/min - 20 m/min (Adjustable) |
|
Length Tolerance |
+/- 1.0 mm (Encoder-controlled) |
|
Yield Strength Range |
230 MPa - 550 MPa |
|
Roller & Cutter Material |
High-Grade 45# Steel & Cr12MoV Tool Steel |
|
Control System |
PLC + Touchscreen HMI |
|
Quality & Safety Standards |
ISO 9001 System & CE Compliance Alignment |
What Buyers Should Prepare Before Ordering
To ensure your double-layer machine matches your exact application and target market, please provide:
Profile Drawings
CAD (.dwg) or PDF cross-section drawings for both required profiles.
01
Material Data
Coil type (GI, PPGI, etc.), thickness, and yield strength.
02
Target Output & Speed
Expected daily production volume.
03
Electrical Standards
Local voltage, frequency, and phase.
04
Factory Space Constraints
Available installation floor dimensions.
05
As one of the most professional double layer roofing sheet machine manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy durable double layer roofing sheet machine made in China here from our factory. Contact us for customized service.
914 Metal Roofing Roll Forming Equipment, 1080 1000 Roofing Sheet Roll Forming Machine, 1080 1000 Profile Roll Forming Machine