Roof sheet roll forming machine

Roof sheet roll forming machine

Profile: corrugated, trapezoidal, IBR, or custom
Tel:0086 15194755533
Email:dtrollformingmachine@gmail.com

What Is a Roof Sheet Roll Forming Machine?

The Roof Sheet Roll Forming Machine is a high-performance, fully automated cold roll forming system designed to produce high-quality metal roofing and wall cladding panels from steel coils. It is one of the most widely used industrial machines in metal building construction, offering excellent coverage, load-bearing strength, and overall durability.

This machine processes galvanized steel (GI), pre-painted steel (PPGI), galvalume, and aluminum coils into precisely profiled sheets with uniform dimensions and clean cut edges. It supports a wide variety of popular roofing profiles—including trapezoidal, corrugated, box rib, standing seam, IBR, and glazed tile profiles—enabling manufacturers to meet diverse market demands with a single production line.

Built with heavy-duty structural components and a fully automatic PLC control system, the roof sheet roll forming machine delivers high-speed continuous production, minimal material waste, and reliable long-term performance. The machine is designed for 24/7 operation in industrial environments, from large-scale roofing panel production facilities to smaller manufacturing workshops.

Key highlights: The machine integrates decoiling, roll forming, optional punching, and hydraulic cutting into one continuous process—fully PLC-controlled with HMI touch screen. One operator can manage the entire line, significantly reducing labor costs and eliminating the need for separate offline cutting or punching operations. All models are export-ready with customizable voltage (220V–480V, 50/60Hz), CE certification, and anti-rust wooden case packaging.

Major Technical Specifications

SpecificationStandard Range
Raw MaterialGI (Galvanized steel), PPGI (Pre-painted steel), Galvalume, Aluminum coil
Material Thickness0.3 – 0.8 mm (customizable up to 1.2 mm)
Coil Width (Feeding Width)600 – 1250 mm (depends on profile type)
Effective Cover Width500 – 1100 mm (varies by profile)
Yield Strength235 – 450 MPa (G250 to G550 steel grades)
Profile Types SupportedTrapezoidal, corrugated, IBR, box rib, standing seam, glazed tile, R-panel, U-panel, custom designs
Forming Stations10 – 24 stations (depends on profile complexity)
Roller MaterialGCr15 bearing steel / 45# steel with hard chrome plating, HRC58-62°
Roller ProcessingCNC precision machining, heat treatment, hard chrome plating (≥0.05 mm), mirror polishing
Main Shaft Material45# forged steel quenched & tempered / 40Cr
Main Shaft Diameterφ70 – φ90 mm
Main Motor Power5.5 – 15 kW
Forming Speed (Standard)*10 – 20 m/min*
Forming Speed (High-Speed Models)*25 – 35 m/min* (flying shear configuration)
Drive SystemChain transmission (1″ – 2″ chain) or gearbox drive (upgrade)
Cutting SystemHydraulic post-cutting (stop-cut) / Electric flying shear (optional)
Cutting Blade MaterialCr12Mov / SKD11, quenched HRC58-62°
Cutting Length Tolerance±1.0 – ±1.5 mm (±0.5 mm with high-precision encoder)
Punching SystemOptional: Hydraulic in-line punching (pre-punching or post-punching), programmable hole spacing
Control SystemPLC (Mitsubishi / Panasonic / Siemens / Delta) + HMI touch screen
HMI FeaturesRecipe storage, multi-language interface, real-time monitoring, fault diagnosis
Voltage / Frequency380V / 50Hz / 3 Phase *(customizable to 220V–480V, 50/60Hz)*
Machine Dimensions (L×W×H)Approx. 7,000 – 12,000 mm × 1,300 – 1,600 mm × 1,200 – 1,500 mm
Machine WeightApprox. 5 – 10 tons
Warranty24 months for main structure & rollers; 12 months for electrical components
CertificationCE, ISO 9001 (available upon request)

Fully Automatic Workflow (How It Works)

The roof sheet roll forming machine operates as a continuous, fully automated production line. The full workflow is illustrated below:

Steel Coil → Decoiler → Feeding & Leveling → (Optional Punching) → Roll Forming → (Optional Notching/Embossing) → Hydraulic Cutting → Run-out Table → (Optional Stacker) → Finished Panels
Production Line Flow

Key Features & Benefits

1. High-Speed Continuous Production

The roof sheet roll forming machine operates at standard speeds of 10–20 m/min, with high-speed models reaching 25–35 m/min (flying shear configuration). This translates to hundreds of square meters of finished roofing sheets produced per shift. The fully automatic line from decoiler to run-out table requires only one operator to manage the entire process, significantly reducing labor costs while maintaining consistent output.

2. Precision Roll Forming for Uniform Profiles

GCr15 bearing steel rollers undergo CNC precision machining, heat treatment to HRC58-62°, and hard chrome plating, ensuring exceptional wear resistance and corrosion protection. Each panel maintains the exact same profile dimensions – no waving, twisting, or edge deviation. The length tolerance is as tight as ±1.0 mm (±0.5 mm with high-precision encoder feedback), ensuring panels fit perfectly together during installation.

3. Hydraulic In‑Line Punching (Optional)

Optional servo-controlled hydraulic punching stations can be added to create fastener holes, drainage slots, embossed logos, or decorative patterns either before or after the roll forming stage. The hole spacing is fully programmable via the PLC system, eliminating the need for secondary offline drilling and reducing handling time.

4. Heavy‑Duty Construction for Long Service Life
Welded H‑type steel frame with stress relief treatment for vibration-free operation at high speeds 45# forged steel / 40Cr main shafts – quenched and tempered for high torsion resistance Hard chrome plated rollers (≥0.05 mm coating) – resistant to wear, scratching, and corrosion Independent archway structure enhances stability, reduces vibration, and improves product consistency
5. PLC + HMI Intelligent Control System

Recipe storage: Store multiple panel length / batch quantity configurations for quick recall
Real-time monitoring: Track production progress, cutting length, and machine status live
Multi-language interface: English, Spanish, Arabic, French, Russian – ideal for export markets
Fault diagnosis: Automatic alarm and error messages displayed on HMI for quick troubleshooting
Remote diagnostics (optional): Enable our engineers to troubleshoot via internet, reducing overseas downtime

6. Fast Profile Changeover

只需调整侧导轨或更换滚轮盒即可在不同的屋顶型材(例如,梯形到波纹形、IBR 到立缝)之间切换 – 通常只需 10-20 分钟。无需复杂的重新加工或延长停机时间。可选的双层设计允许在一台机器上生产两种不同的型材,进一步扩大了生产的多功能性。

Key operational notes:

  • The entire line is controlled by a PLC + HMI touch screen.

  • The operator sets cutting length, batch quantity, and punching parameters through the HMI interface before starting.

  • All parameters (forming speed, cutting length, punching positions) are stored as recipes and can be recalled with one touch.

  • The system supports both automatic and manual operation modes.

  • Equipped with fault alarm function that timely displays fault location and cause on the HMI screen.

  • Multi-language support available for export markets (English, Spanish, Arabic, French, Russian, etc.).

Applications – Where Roof & Wall Panels Are Used

The roof sheets and wall cladding panels produced by this machine are widely used across multiple industries and building types:

Frequently Asked Questions (FAQ)

What are the most common roof sheet profiles?

The machine supports all major profiles: trapezoidal (most common for industrial buildings), corrugated (sinusoidal wave, versatile and economical), IBR (very popular in African and Southeast Asian markets), box rib, standing seam (concealed fastener, premium roofing), glazed tile (decorative tile-effect), R-panel and U-panel (for North American markets), and custom designs based on your drawing.

What material thickness can it process?

Standard machines handle 0.3–0.8 mm thickness. This covers most common roofing coil materials (PPGI, GI galvanized steel, aluminum). Custom heavy‑duty roller sets can be configured for thickness up to 1.2 mm upon request.

What is the forming speed?

Standard speed is 10–20 m/min. High‑speed models with flying shear configuration can reach 25–35 m/min. Actual speed may vary depending on material thickness, punching frequency, and cutting length.

How accurate is the cutting length?

Length tolerance is ±1.0–1.5 mm with standard encoder and stop-cut. For extra precise applications requiring ±0.5 mm, we can install a higher-resolution encoder with servo cut control.

We specialize in the production of cold-bending roll forming equipment for sheet metal used in major industries such as guardrails, doors and windows, light-gauge steel framing, color-coated steel, and dust removal systems.

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Contact

Email

dtrollformingmachine@gmail.com

Tel

0086 15194755533

Address

Nanpi, Cangzhou , Hebei Province China