The Double layer roof sheet roll forming machine represents the cutting edge of sheet metal fabrication for industrial, commercial, and civil construction projects. By integrating dual profile capabilities in one line, this robust machine achieves higher efficiency, reduced footprint, and exceptional cost-performance for modern metal roofing solutions.

• Global Market Growth: According to MarketsandMarkets, the roll forming machines market is projected to reach USD 4.8 billion by 2027, with double layer machines accounting for an accelerating share (>32%) due to space and labor savings.
• Technology Integration: Recent advances in servo-motor feeding, CNC programmable controls, and quick change tooling are mainstream, increasing personalized production and reducing downtime.
• Applications Expansion: Beyond traditional roofing, double layer roof sheet roll forming machines are widely adopted in steel structure warehouses, power plant enclosures, transport stations, airport terminals, and commercial buildings due to enhanced productivity and panel design flexibility.
• Sustainability: Design improvements now allow the use of recyclable metals (Galvalume, Zinc, PPGI), reducing environmental impact and supporting LEED/BREEAM certifications for green building.

Uncoiling

Steel coil is loaded onto heavy-duty uncoiler; automatic centering & tensioning system engaged.

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Feeding & Leveling

Material passes precision leveling rollers to eliminate stress & surface waviness.

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Dual Roll Forming

Automated change-over selects top/bottom roll set for profile; PLC controls preset length and batch.

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Hydraulic Cutting

Profile cut to length via servo-synchronized hydraulic cutter; high accuracy, minimal burrs.

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Automatic Stacking

Finished sheets stacked & palletized for packing and shipment.

• Material: Galvanized Steel (DX51D), Galvalume (AZ150), PPGI (pre-painted steel), and Aluminum Alloy AA3003—0.3-1.2mm thickness, per ASTM standards.
• Rollers & Key Parts: Machined by precision CNC lathes, rollers utilize Cr12MoV/Cr12, induction hardened (HRC 55-60), and hard-chrome plated for maximum wear resistance.
• Main Frame: High-strength manganese structural steel welded, surface sandblasted, anti-rust painted.
• Transmission: Gearbox or chain-drive, heavy-duty spline shafts, SKF/FAG brand bearings.
• Hydraulics: System designed for continuous operation, featuring Yuken/CJX solenoids, leak-free seals, and 2-3 year maintenance intervals.
• Safety & Testing: Each machine tested to comply with ISO 9001 and CE/ANSI safety standards; all circuits overload protected, emergency shut-off fitted.

• Industrial Warehousing: Fast, large-area roofing coverings, including sandwich and insulation panels.
• Transportation Hubs: Railway stations, bus terminals, and airports requiring quick multi-profile transitions.
• Agricultural & Livestock Buildings: Durable, corrosion-resistant panels for barns, poultry houses, and feed plants.
• Power Plant Enclosures: Shielding equipment with fire-retardant, anti-corrosive panels.
• Chemical & Petrochemical: Panels tested for chemical resistance (ASTM B117, ISO 9227 salt spray standards).
• Commercial Supermarkets & Shopping Centers: Modern design, speedy installation, color-flexible finish.

• Dual Profile in Single Footprint: Maximize productivity, reduce capex/opex, cut floor space by up to 35% versus two separate machines.
• Advanced PLC Control: Siemens/Delta touch panels for intuitive job setup and fault diagnostics; remote service available.
• CNC Precision-machined Rollers: Ensures consistent sheet geometry, reduced scrap, longer tool life (3-5 years between regrinds).
• Quick Changeover: Servo drives and automatic clutch facilitate rapid switch between profiles within 2-5 minutes.
• High Corrosion-Resistance: Panels comply with ISO 4892 and ASTM B117 >500 hours salt spray test, suitable for coastal/humid zones.
• Modular Expansion: Easily add to line with stackers/trimmers or integrate with automatic packaging for higher automation.

• Profile Customization: Design according to customer drawings—ridge caps/curves, anti-siphon lips, or unique panel widths (as narrow as 310mm or up to 1500mm).
• Material Option: Configure line for PPGI, AL-Zn-Mg coated steel, embossed, or painted aluminum; compatible thickness 0.3-1.5mm.
• Control Integration: Link multiple machines via SCADA/MES for smart-factory solutions and real-time OEE (Overall Equipment Effectiveness) monitoring.
• Accessory Integration: Add online punching, PU/rockwool insulation, embossing, film lamination, or logo marking per application.
• Safety Customization: Install light curtains, anti-crush sensing, auto lubrication, and secondary e-stops tailored for compliance to ISO12100 & CE directives.
• Color & Panel Finish: Choose from high-gloss, matte, or special functional coatings (e.g., fluorocarbon, anti-bacterial finish for food sector).

• Lead Time: 45-65 days standard for Double layer roof sheet roll forming machine. Pre-delivery profile sample and video FAT (Factory Acceptance Test) available.
• Warranty: 18 to 24 months, depending on project size and contract, covering all key modules and controls (excluding normal wear parts).
• After-service: Free onsite installation & training for global customers, remote VPN diagnosis, lifelong technical consultation.
• Spares & Consumables: 1-year spares package standard; laser-engraved parts codes for easy online ordering.
• Quality Assurance: Full inspection report, material & heat treatment certificates (as per EN 10204/3.1), and ISO/CE compliance declaration supplied per shipment.

• Established Manufacturing: Yingyee has installed 1,200+ Double layer roof sheet roll forming machine units worldwide, supplying to Fortune 500 and top local engineering clients.
• Full Documentation & Certification: All machines delivered with test data, ISO/CE certificates, traceability for each main component.
• Authority Citations: Referenced in Roofing Industry Journals and by associations such as World Steel Association, with published technical reviews.
• End-to-end Service: Pre-sale consulting, factory simulation, installation, tailored user training, and 24/7 technical support hotline.
• Flexible Payment & Logistics: L/C, T/T terms, CIF/DDP shipping, and custom packaging for global delivery.
• Warranty Commitment: 18-24 months—double the industry minimum—with extension options.
• Industry Leadership: Company active in R&D, listed as a preferred OEM supplier for multinational construction contractors.