Cangzhou Zhongtuo Roll Forming Machinery Co., Ltd. specializes in manufacturing precision-engineered ibr roof sheet forming machines designed for industrial-grade roofing production. Our advanced production line features 10-20 roller stations with 70mm solid shaft construction and 45# steel rollers with hard chrome plating, processing PPGI, GI, and aluminum materials ranging from 0.3-0.8mm thickness. As a national-level high-tech enterprise established in 2014, we deliver consistent forming speeds of 15-25m/min with cutting accuracy of ±1mm, ensuring precise 686mm or 890mm effective cover widths. Our machines integrate Siemens/Delta PLC control systems and hydraulic decoilers, providing automated batch management for continuous production cycles.
The product produces Inverted Box Rib profiles characterized by square-fluted trapezoidal designs. Unlike conventional corrugated systems, our equipment eliminates manual bending inefficiencies through continuous cold-roll forming technology.
Our machines address critical industry challenges. The gradual stress distribution across 18-22 forming stations prevents spring-back effects in high-tensile steel. Anti-capillary grooves formed in overlapping ribs solve water ingress problems in heavy rainfall zones.
The deep flute geometry provides superior load-bearing capacity compared to sinusoidal profiles. This design reduces purlin requirements in long-span applications while maintaining structural integrity.

|
Parameter |
Specification |
|
Processing Material |
PPGI, GI, Aluzinc, Color Steel |
|
Material Thickness |
0.3-0.8mm |
|
Yield Strength Capacity |
Up to 550 MPa (G550) |
|
Forming Stations |
18-22 rows (customizable) |
|
Shaft Diameter |
70mm solid shaft (45# high-grade steel) |
|
Roller Material |
Cr12 / Hard-chromed 45# steel |
|
Roller Hardness |
HRC 58-62 |
|
Forming Speed |
15-25m/min |
|
Length Tolerance |
±1.0mm |
|
Profile Width |
686mm or 890mm (effective coverage) |
|
Control System |
Delta/Mitsubishi PLC with VFD |
|
Cutting System |
Hydraulic post-cutting (Cr12 blades) |
|
Machine Frame |
350 H-steel construction |
|
Power Supply |
Customizable to regional requirements |
|
Coating Compatibility |
Z150-Z275 zinc coating mass |
|
Component |
Description |
Quantity |
|
Decoiler |
Hydraulic automatic or manual |
1 set |
|
Main Forming Unit |
Multi-station roll forming body |
1 set |
|
PLC Control System |
Delta (Taiwan) with touchscreen |
1 set |
|
Hydraulic Station |
For cutting and decoiling |
1 set |
|
Post-Cut System |
Precision hydraulic cutting |
1 set |
|
Drive Motor |
Variable frequency motor |
1 set |
|
Output Table |
Sheet support and collection |
1 set |

Large-Scale Industrial Warehousing
Our equipment produces long-span roofing sheets for factories and logistics hubs. The deep flutes provide exceptional rigidity, allowing wider purlin spacing and reducing structural costs.
Coastal Residential Projects
The machine processes Aluzinc and color-coated coils without damaging protective layers. Polished rollers preserve aesthetic finishes and anti-corrosion coatings essential for coastal environments.
Low-Pitch Commercial Buildings
IBR profiles perform exceptionally on low-pitch roofing down to 5-degree angles. Custom-length production eliminates horizontal laps, ensuring watertight performance for shopfronts and carports.
Residential Construction
Contractors benefit from consistent profile quality and rapid production speeds. The machine delivers uniform sheets that simplify installation and reduce on-site labor costs.
Our quality assurance follows ISO 9001 certification protocols and international engineering standards. We implement comprehensive inspection procedures at every production stage.
Profile Geometry Verification
Each machine undergoes dimensional testing to ensure effective cover width tolerances within ±2mm. This precision guarantees proper sheet overlap during installation.
Surface Integrity Testing
Zero-scratch surface tests confirm perfect roller synchronization. This protects pre-painted materials and maintains coating integrity throughout the forming process.
Cutting Precision Analysis
Hydraulic shearing stations utilize Cr12Mov blades for clean cuts. We inspect cut ends for burrs or deformation to ensure professional-grade finish quality.
Run-out Table Stability
Exit speed calibration matches forming speed precisely with the ibr roof sheet forming machine. This synchronization prevents sheet buckling and maintains consistent product dimensions.
Our partnership with Yanshan University's National Cold Rolled Strip Equipment Engineering Research Center drives continuous innovation. This collaboration brings academic excellence into practical manufacturing applications.
Core Technology Integration
We employ AI-assisted finite element analysis for roll design optimization. Virtual modeling reduces trial costs while improving forming path precision.
Intelligent Control Systems
Cloud-based monitoring enables remote diagnostics and predictive maintenance. This technology reduces downtime and enhances operational stability for overseas customers.
Patent-Protected Innovations
Two patented technologies enhance our production capabilities. These innovations include advanced pattern roller designs and automated slitting mechanisms.
Graduate researchers work directly at our production facility. Their expertise accelerates digital transformation and supports customized solutions for global markets.
With CE certification, CAS approval, and ISO 9001 compliance, our machines meet stringent international standards. We've exported to over 150 countries across Europe, North America, the Middle East, and Southeast Asia.
Our comprehensive service includes ODM and OEM capabilities. You can source raw materials, machinery, and accessories through our one-stop procurement system.
Strategic cooperation with Siemens ensures cutting-edge automation integration. Our equipment processes both traditional PPGI materials and advanced composite materials efficiently.
We provide tailored design solutions aligned with regional requirements and local construction preferences. Expert technical support extends throughout the machine lifecycle.
Q:Can the machine handle varying material thicknesses without manual adjustment?
A:Standard models require manual spacer adjustments for significant thickness changes. Premium versions with automatic gap adjustment systems process the 0.3-0.8mm range seamlessly.
Q:What is the expected lifespan of rollers and cutting components?
A:Cr12 steel rollers with HRC 58-62 heat treatment last over 10 years under normal operation. Hydraulic cutting blades typically require sharpening after 1-2 years of intensive use.
Q:Why do sheets sometimes show curvature issues?
A:Camber results from uneven roller pressure causing asymmetric material stretching. Adjusting the final straightening station or entry leveling rollers resolves this alignment issue.
Q:Does production speed affect output quality?
A:Running above 25m/min on thicker gauges may cause micro-cracks in coatings. We recommend 15-18m/min for optimal quality when processing 0.8mm materials.
Q:What maintenance does the hydraulic system require?
A:Annual hydraulic oil replacement and regular filter cleaning maintain system performance. Inspect hoses monthly for leaks to ensure consistent cutting pressure.
Ready to enhance your roofing production capabilities with the ibr roof sheet forming machine? Contact our technical team at zhongtuorollforming@gmail.com for customized solutions and competitive quotations today.