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Professional double layer zinc plate rolling machine produces smooth roof sheets at 15m/min. Handles 0.2-0.8mm thickness, PLC automatic control, customizable profiles. Ideal for trapezoidal & IBR roofing panels. Request factory quote.CE/ISO Certification.

Double Layer Zinc Plate Rolling Machine: Advanced Solution for Roof Sheets Manufacturing

Efficient Production of High-Quality Double Layer Roofing Panels

In the competitive building materials industry, the demand for durable, aesthetically pleasing, and cost-effective roofing solutions continues to grow. The Double Layer Zinc Plate Rolling Machine​ stands at the forefront of this demand, offering manufacturers a robust and automated solution for producing high-quality double-layer roofing sheets. This machine specializes in transforming zinc-coated steel coils (or color steel/aluminum coils) into finished trapezoidal, IBR, or corrugated roof panels through a continuous cold roll forming process, with the unique advantage of creating a smooth, scratch-free surface​ that is both functional and visually appealing.

Traditional single-layer roofing sheets can be prone to issues like condensation and thermal bridging. The double-layer design, produced efficiently by this machine, creates a natural air gap that enhances thermal insulation and structural rigidity. With a production speed of up to 15 meters per minute​ and the ability to handle material thicknesses from 0.2mm to 0.8mm, this roof sheets making machine​ is engineered for building material manufacturers and roofing suppliers looking to increase output, ensure consistent quality, and expand their product offerings to include premium double-layer panels.Double Layer Zinc Plate Rolling Machine

Technical Specifications: Precision Engineering for Reliable Output

Core Machine Parameters

ParameterSpecification
Machine Dimensions (L×W×H)6000 × 1400 × 1300 mm
Machine Weight3000 kg
Max. Forming Speed15 meters/minute
Material Thickness Range0.2 – 0.8 mm
Max. Material (Loading) Width1200mm / 1000mm (or customizable)
Roller Shaft Diameter70 mm
Main Motor Power3 kW
Voltage Requirement380V, 3 Phase
Control SystemPLC Automatic Control
Machine Frame300H Steel Welded
Middle Plate Thickness14 mm
Roller Material45# Steel Forged
Shaft Material45# Steel Forged
Cutter MaterialCr12 Mold Steel
Spacer TypeSeamless Steel Tube

Process Flow

The operation follows an integrated and efficient workflow:Double Layer Zinc Plate Rolling Machine

  1. Uncoiling:​ The zinc plate or color steel coil is mounted and fed into the line.
  2. Sheet Guiding:​ A guiding device ensures the material enters the forming section correctly to prevent misalignment and scratches.
  3. Roll Forming:​ The material passes through multiple stations of hardened rollers, progressively forming the double-layer roof panel profile.
  4. Pressing/Forming Step Effect:​ Ensures the final shape and lock-seam are precise.
  5. Measuring Length & Shearing:​ The PLC system measures and triggers the hydraulic cutter to produce panels of the preset length.
  6. Sheet to Support Table:​ Finished panels are conveyed to the collection table for stacking.

Key Features & Advantages of Our Roll Forming Machine

1. Superior Surface Finish

  • Scratch-Free Production:​ The precision-engineered rollers and guiding system ensure the coated surface of the zinc or painted steel remains undamaged throughout the forming process, resulting in a smooth, beautiful final product that maintains its corrosion resistance and appearance.

2. Fully Automatic PLC Control System

  • Easy Operation:​ Operators simply set the desired length and quantity on the user-friendly control panel.
  • Set-and-Forget Automation:​ The machine will automatically run, count, and stop, significantly reducing labor intensity and the potential for human error.
  • Consistent Accuracy:​ Automated control guarantees every panel is cut to the exact same length.

3. Robust and Durable Construction

  • Heavy-Duty Frame:​ Built with 300H steel and 14mm middle plates, the machine offers exceptional stability and minimizes vibration during high-speed operation, which is crucial for maintaining precision.
  • High-Quality Components:​ The use of forged 45# steel for rollers and shafts, along with Cr12 cutting blades, ensures long service life and resistance to wear, even under continuous production.

4. Customization Flexibility

  • Profile-Based Design:​ We do not just sell standard machines. We can design and manufacture the complete roll forming machine according to your specific profile drawing and technical specifications. Whether you need an 840, 900, or any other double-layer profile, we can engineer the solution.
  • Adjustable Width:​ The machine can be configured for different maximum material widths (e.g., 1000mm or 1200mm) based on your target product.

Target Applications & Industries

This metal roll former machine​ is versatile and serves multiple sectors:

  • Building Material Manufacturers:​ Producing double-layer trapezoidal or IBR roof sheets for wholesale distribution.
  • Construction & Roofing Contractors:​ In-house production of panels for large-scale projects like industrial warehouses, factories, and commercial buildings.
  • Prefabricated Structure Suppliers:​ Manufacturing roofing components for pre-engineered metal buildings (PEBs), farm sheds, and storage facilities.
  • Renovation & Retrofit Projects:​ Supplying modern, insulated roofing panels for upgrading existing structures.

Frequently Asked Questions (FAQ)

Q: What materials can this machine process besides zinc plate?

A: While optimized for zinc-coated (galvanized) steel, it can also efficiently process color-coated steel (PPGI/PPGL), aluminum coils, and other similar metals within the 0.2-0.8mm thickness range.

Q: How do I get a machine for my specific roof panel design?

A: Simply provide us with a detailed profile drawing (DWG, DXF, or PDF) of the cross-section you wish to produce. Our engineering team will review it and design a custom roller set and machine configuration tailored to your profile.

Q: What is the lead time for a customized machine?

A: The lead time typically ranges from 30 to 45 days after order confirmation, depending on the complexity of the customization. We provide regular updates throughout the manufacturing process.

Q: Is training provided?

A: Yes, we provide comprehensive operational and basic maintenance manuals. We also offer video support and can arrange on-site or online training sessions to ensure your team can operate the machine effectively.

Q: What about after-sales service and spare parts?

A: We offer reliable after-sales support. Critical spare parts like rollers, shafts, and cutting blades are available for order. Our technical team is available for remote troubleshooting to minimize downtime.

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