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Industrial high-productivity 2-in-1 dual-tier cold roll forming machine engineered to manufacture both sinusoidal corrugated sheets (WF-12-36) on the upper deck and heavy trapezoidal roof/wall cladding panels (WF-636) on the lower deck within a single compact machine frame. Built with heavy-duty 350H structural steel bed chassis, D2 high-wear die steel rollers, solid Ø70mm quenched shafts, independent dual-tier hydraulic cut-off, and Siemens/Delta PLC automation.
The Corrugate & Trapezoidal Double Layer Roof Sheet Machine is engineered for metal roofing fabricators, construction contractors, and regional sheet metal service centers seeking maximum production versatility with minimal floor footprint. Operators can produce classic circular wave corrugated iron sheets or heavy-crest trapezoidal box-rib panels on demand by simply selecting the profile on the PLC touchscreen.
The machine processes standard 1200mm coil stock of prepainted galvanized steel (PPGI), galvalume (PPGL), and galvanized coils across thicknesses from 0.4mm to 0.8mm. The upper level roll forms standard sinusoidal wave sheets (WF-12-36), while the lower level produces multi-rib structural trapezoidal panels (WF-636), providing complete coverage for residential and industrial building envelopes.
1: 2-in-1 Double Layer Roll Forming Machine Overview
2: Front Dual-Tier Hydraulic Cut-Off Station & PLC Console
| Parameter / Item | Standard Specification |
|---|---|
| Equipment Model | Corrugate & Trapezoidal Double Layer Roof Sheet Machine |
| Upper Deck Profile | Classic Sinusoidal Corrugated Wave Sheet (WF-12-36 Profile) |
| Lower Deck Profile | Heavy Trapezoidal Box-Rib Cladding Panel (WF-636 Profile) |
| Coil Infeed Width | 1200 mm wide coil sheet (Standard wide coil) |
| Applicable Raw Material | Color Coated Steel (PPGI), Galvalume (PPGL), Galvanized Steel (GI) |
| Material Thickness Range | 0.4 - 0.8 mm (Standard architectural metal gauge) |
| Forming Stations | Upper Layer: 18 Rows (Corrugated); Lower Layer: 20 Rows (Trapezoidal) |
| Forming Production Speed | Up to 20 m/min continuous rolling speed |
| Main Drive Motor Power | 7.5 kW Heavy-Duty Industrial Motor with Cycloidal Speed Reducer |
| Shaft Diameter & Material | Ø70 mm Solid Shaft, 45# Steel High-Frequency Quenched |
| Roller Material & Treatment | Premium D2 Tool Steel, Vacuum Heat-Treated (HRC 60-62) |
| Cut-Off Mechanism & Tooling | Dual-Tier Hydraulic Shearing, Cr12MoV Die Steel Blades (HRC 58-62) |
| Base Chassis Frame | 350H Heavy Structural H-Beam Welded Steel Foundation |
| Decoiler Unit | Standard Manual Decoiler (5T/8T Hydraulic Decoiler with Car Optional) |
| Control System | Siemens / Delta Industrial PLC Touchscreen Automation |
| Length Measurement Precision | ±1.0 mm (Rotary Optical Encoder) |
| Operating Voltage | 380V / 220V / 440V, 50Hz/60Hz, 3 Phase (Customizable) |
| Total Machine Weight | Approx. 15,000 kg (15 Tons Heavy Double-Tier Build) |
| Warranty & Factory Inspection | More Than 5 Years warranty; Lifelong engineering technical support |
| Quality Certification | CE Certified (Directives: 2006/42/EC & 2014/35/EU), BV, STV, ISO9001 |
3: Double Layer Infeed Table & Centering Guide Assembly
The machine features two vertically integrated rolling levels mounted onto the 350H foundation. Upper and lower passes are precision engineered to gently contour colored coil stock without surface micro-cracking or paint peeling.
4: Formed Finished Corrugated & Trapezoidal Panels
Both profiles comply with international structural roofing and wall cladding specifications:
This 2-in-1 dual machine fulfills 90% of architectural sheet metal roofing demand:
Turnkey supply scope includes 5-ton manual decoiler (hydraulic decoiler optional), double-layer roll forming main machine on 350H frame with protective covers, dual-tier hydraulic cut-off station, standalone hydraulic pump station, Siemens PLC touchscreen console, and finished panel runout tables.
All precision chrome rollers and shafts are coated with anti-corrosion protective grease. The 15-ton machine chassis is securely anchored inside a 40ft HQ shipping container using heavy steel wire cables and timber chocks. The electrical control console and hydraulic station are hermetically wrapped in waterproof film and crated in export plywood cases.
Manufactured in compliance with ISO9001 quality management benchmarks, Bureau Veritas (BV), and STV standards. The production line holds official CE compliance certification under Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU.
5: CE Certification & ISO9001 Quality Management Verification
6: Modern Manufacturing Facility, Showroom & Assembly Workshop
Q1: Can both upper and lower layers run simultaneously?
A: The machine is designed to produce one profile at a time to maximize operator safety, ease of runout stacking, and cutting precision. Switching between decks takes just seconds via the PLC touchscreen.
Q2: What is the main advantage of D2 tool steel rollers?
A: D2 high-carbon high-chromium die steel delivers exceptional surface hardness (HRC 60-62) and extreme wear resistance, prolonging roller life by 2-3 times compared to standard carbon steel.
Q3: What thickness range of coil stock can be formed?
A: The line easily processes prepainted steel (PPGI), galvalume (PPGL), and galvanized coils from 0.4mm to 0.8mm.
Q4: Can the machine voltage match our local electrical system?
A: Yes. Motors, hydraulic systems, and PLC control modules can be configured for 220V, 380V, 415V, or 440V (50/60Hz, 3-Phase) to match your local factory power standard.
Q5: What warranty and test documentation are provided?
A: We provide over 5 years warranty, factory outgoing test video, formal inspection reports, and official CE compliance certificates prior to shipment.
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