
The 360° Lock-Seam Roof Panel Roll Forming Machine is specialized equipment for manufacturing high-performance standing seam metal roofing panels. It forms a continuous 360-degree mechanically seamed edge through a precise roll forming process, creating a weathertight, structural roofing system without exposed fasteners. The machine processes metal coils (such as aluminum, galvanized steel, or coated steel) into panels with consistent lock-seam profiles, suitable for commercial, industrial, and architectural roofing applications that demand superior waterproofing, wind uplift resistance, and thermal expansion accommodation.
The 360° Lock-Seam Roof Panel Roll Forming Machine is specialized equipment for manufacturing high-performance standing seam metal roofing panels. It forms a continuous 360-degree mechanically seamed edge through a precise roll forming process, creating a weathertight, structural roofing system without exposed fasteners. The machine processes metal coils (such as aluminum, galvanized steel, or coated steel) into panels with consistent lock-seam profiles, suitable for commercial, industrial, and architectural roofing applications that demand superior waterproofing, wind uplift resistance, and thermal expansion accommodation.
I. Equipment Overview
This equipment is a precision cold roll-forming machine specially designed for manufacturing high-performance standing seam roofing systems. Utilizing a 360° mechanical lock-seam forming process, it processes metal coils into fully sealed, puncture-free roofing panels. The product is widely used in large public buildings, industrial plants, commercial complexes, and other roofing projects that demand strict waterproofing, wind resistance, and durability.
II. Core Technical Features
Fully Sealed Lock-Seam Design
360° mechanical lock-seam ensures complete waterproof sealing.
Penetration-free fixation maintains roof integrity.
Floating connection accommodates thermal expansion and contraction.
High-Precision Forming System
Lock-seam angle accuracy: 360° ± 1°.
Panel height control accuracy: ±0.3 mm.
Multi-pass progressive forming ensures tight seam closure.
Intelligent Control System
PLC + touchscreen supports recipe storage and recall.
Online detection of seam quality and dimensional accuracy.
Fault self-diagnosis and production data traceability.
Strong Material Adaptability
Applicable to aluminum-magnesium-manganese sheets, aluminized zinc sheets, titanium-zinc sheets, copper sheets, etc.
Thickness range: 0.5–1.5 mm.
Supports high-strength materials (≤800 MPa).
III. Main Technical Parameters
Item | Technical Specifications |
|---|---|
Applicable Materials | Aluminum-magnesium-manganese sheets, aluminized zinc sheets, titanium-zinc sheets, copper sheets, stainless steel, etc. |
Material Thickness | 0.6–1.2 mm (expandable to 0.5–1.5 mm) |
Raw Material Width | 400–600 mm (customizable to 300–800 mm) |
Finished Panel Width | 300–500 mm |
Standing Seam Height | 25–65 mm (adjustable) |
Forming Speed | 6–20 meters/minute |
Lock-Seam Accuracy | 360° ± 1° |
Control System | PLC + industrial touchscreen, supports bus communication |
Total Power | 45–100 kW |
IV. Production Process Flow
Uncoiling & Feeding → Precision Leveling → Edge Pre-forming → Lock-Seam Structure Forming → Precision Sizing & Shaping → Online Inspection → Fixed-Length Cutting → Finished Product Output
(Optional processes: end forming, automatic stacking, protective film application)
V. Lock-Seam Structural Features
Dual Locking Mechanism: Mechanical lock-seam + elastic sealing.
Drainage Design: Hidden drainage channels.
Wind Resistance Reinforcement: Internal stiffener structure.
Quick Installation: Dedicated clip and fastener system.
VI. Performance Indicators
Performance Item | Standard Value | Test Standard |
|---|---|---|
Wind Pressure Resistance | ≥3.0 kPa | GB/T 7106 |
Waterproof Rating | Grade 1 (no leakage) | GB 50176 |
Air Tightness | ≤0.1 m³/(m²·h) | GB/T 7107 |
Thermal Performance | U-value customizable | GB/T 8484 |
Service Life | ≥40 years (aluminum-magnesium-manganese sheets) | Accelerated aging tests |
VII. Application Areas
Large Public Buildings: Airports, convention centers, stadiums.
Industrial Buildings: Factories, logistics centers, data centers.
Commercial Buildings: Shopping malls, office buildings, hotels.
Transportation Hubs: High-speed railway stations, bus stations, terminals.
Special Buildings: Laboratories, cleanrooms, museums.
VIII. Service Support
Provides roofing system design, thermal calculations, and structural verification.
Equipment installation and commissioning, operator training, and process guidance.
18-month warranty on key components, lifelong technical support.
Assistance with roofing system performance testing and engineering certification.


chan@winworld-xm.com
Phone
+86-592-721 9069 / +86 136 060 95636
Address
No. 369-2, xidongdi, Xidong village, Lianhua Town, Tong'an District, Xiamen