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Corrugated Sheet Roll Forming Line
Corrugated Sheet Roll Forming Machine
Corrugated Sheet Roll Forming Machine
Corrugated Sheet Roll Forming Machine
Corrugated Sheet Roll Forming Machine
Corrugated Sheet Roll Forming Machine

Corrugated Sheet Roll Forming Machine

This automated cold bending forming equipment is used to produce corrugated board profiles. It achieves continuous production through processes such as uncoiling, feeding, roll forming, and cutting, and is suitable for the mass production needs of related industries.

Corrugated Sheet Roll-Forming Machine — Professional manufacturer, high-speed intelligent production line, multi-profile capability, and one-stop delivery from steel coil to finished product.

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I.Equipment Overview

The Corrugated Sheet Roll Forming Machine is specialized cold-roll forming equipment designed for the production of T-type roof panels (T-type metal roofing systems). The T-type roof panel represents a novel structural form that integrates beam and slab functions; it features a long span, light weight, ease of installation, excellent seismic performance, a modern aesthetic, and simplified waterproofing. Utilizing a continuous cold-roll forming process, the machine executes a complete workflow—including automatic loading (12T trolley), hydraulic uncoiling (12T), guided feeding, manual pre-shearing, multi-pass roll forming, servo-tracked hydraulic flying cutting, and automatic stacking (13m)—to directly produce finished T-type roof panels.
The entire line features fully automatic control via Siemens PLC and Yaskawa variable frequency drives, with operation managed through a touchscreen HMI, ensuring a fully automated, continuous workflow from uncoiling to finished product stacking. The equipment utilizes a cast-iron arch-frame gearbox transmission structure, offering high rigidity, precision, and durability. It accommodates various metal sheets—such as color-coated and galvanized steel—with thicknesses ranging from 0.3 to 0.8 mm, material strengths up to G350 MPa, and raw material widths of approximately 1220 mm, enabling the production of T-type roof panels in multiple specifications. Requiring only one operator, this machine is core equipment for manufacturers seeking to achieve large-scale, standardized, and intelligent production of roofing materials for long-span structures such as industrial plants, warehouses, garages, exhibition centers, and stadiums.

II. Core Advantages and Selling Points

(1) 12T Hydraulic Uncoiler + 12T Loading Car: Effortless Heavy Coil Loading
The system is equipped with a 12-ton hydraulic uncoiler and a 12-ton loading car, offering a maximum load capacity of 12 tons. The loading car easily transports heavy steel coils to the uncoiler station; a hydraulic internal expansion mechanism (expansion range: Φ460–Φ550mm; specification: Φ508×1300mm) securely grips the coil, while the electric drive ensures smooth uncoiling. Powered by a 7.5kW motor and 12MPa hydraulic pressure, the system delivers robust performance. This automated design for loading and uncoiling heavy coils significantly reduces manual labor intensity and greatly boosts production efficiency.

(2) Cast-Iron Arch-Frame Gearbox Drive: High Rigidity, Precision, and Durability
The machine utilizes a cast-iron arch-frame gearbox drive structure—a key advantage distinguishing it from conventional chain-driven equipment.
Compared to chain drives, gearbox drives offer superior stability, lower noise levels, higher precision, and a longer service life. The cast-iron arch-style frame undergoes tempering treatment to ensure high rigidity and excellent resistance to deformation, guaranteeing stable, high-intensity operation over the long term. The system is powered by a 15kW Siemens motor (Made-in-China), providing precise, controllable power to ensure stable and efficient processing of 0.3–0.8mm sheet metal through the 20-station forming sequence.

(3) 20–28 Station Precision Roll Forming: Accurate and Stable Cross-Sectional Dimensions
The system employs a multi-station, progressive cold-roll forming process. The metal sheet undergoes progressive cold forming across multiple stations to gradually shape the standard T-profile roofing panel. Shaft Diameter: Large-diameter (Φ75mm) forming shaft with high load-bearing capacity.
Shaft Material: 40Cr steel with quenched and tempered treatment (HB220-260), offering excellent comprehensive mechanical properties.
Roller Material: GCr15 steel with a chrome-plated surface (hardness HRC58-62), ensuring superior wear resistance and a long service life.
Multi-pass progressive forming effectively reduces material stress concentration, ensuring stable cross-sectional dimensions and precise angles.

(4) Servo-tracking hydraulic flying shear for precise, non-stop cutting
The cutting system utilizes a hydraulic flying shear controlled by a 4.4kW servo motor to achieve continuous cutting. As the profile moves at high speed, the servo system automatically tracks the movement speed and synchronizes the cut to the required length.
No need to decelerate or stop the line; offers high cutting precision and smooth cut edges.
Cutting length tolerance: ±1.0mm, far exceeding industry standards.
Hydraulic power: 11kW, providing ample cutting force.
Solenoid valves sourced from renowned Chinese brands, ensuring reliable quality.

(5) High-speed production with industry-leading capacity
The entire line integrates the full process—uncoiling, forming, cutting, and stacking—with automation. Line speed is continuously adjustable between 10 and 60 m/min to meet diverse production needs. Fully automated production requires only one operator, delivering efficiency several times higher than traditional production methods. A 13-meter automatic stacking system neatly stacks finished products, eliminating the need for manual handling and significantly reducing labor intensity.

(6) Manual pre-shear for flexible coil-end handling
Equipped with a manual pre-shear device to cut off the leading or trailing ends of the steel coil. This effectively removes irregular sections, ensuring the strip entering the main forming unit has a neat, flat end, thereby guaranteeing the precision and quality of the subsequent forming process.

(7) Siemens PLC + Yaskawa VFD: Intelligent, precise, and reliable control
The control system combines a Siemens PLC with a Yaskawa variable frequency drive (VFD) to achieve digital management and control across the entire process. Siemens PLC: Precise, reliable logic control and stable program performance
Yaskawa Variable Frequency Drive (VFD): High speed-regulation precision and rapid response, ensuring synchronized and coordinated operation across all units
German-brand uncoiler: Superior quality and smooth operation
Touchscreen HMI: Operators can set parameters—such as production speed, cut length, and production quantity—with a single touch
Equipped with real-time monitoring and fault warning systems; automatic alarms trigger upon anomalies, displaying the specific cause of the fault
Novice training: Operators can work independently after just 1–2 days of training

(8) Manual feed adjustment for flexible operation
The feeding mechanism features manual adjustment, allowing operators to flexibly position the guides according to varying sheet widths and thicknesses. This ensures the sheet enters the main forming unit accurately and maintains the correct alignment with the roll-forming system. Operation is simple and intuitive, requiring no complex training.

(9) Robust, durable, stable, and reliable
The machine utilizes a cast-iron housing and gearbox transmission structure, offering high rigidity and a long service life
Rollers are made of GCr15 steel with a chrome-plated surface; hardness is HRC 58–62, providing excellent wear resistance
Shafts are made of 40Cr steel with quenched and tempered treatment (HB 220–260), ensuring excellent comprehensive mechanical properties
Shaft diameter is Φ75mm, offering high load-bearing capacity
Key electrical components feature internationally renowned brands, including Siemens PLCs, Yaskawa VFDs, and German-brand uncoilers
Low failure rate and long service life provide a solid guarantee for stable, long-term production


III. Technical Parameters

Item Parameter
Applicable materials Color-coated steel sheet, galvanized steel sheet, etc.
Material thickness 0.3–0.8 mm
Material strength G350 MPa
Raw material width Approx. 1220 mm
Machine structure Cast iron housing, gearbox drive
Number of forming stations 20–28 stations
Shaft diameter Φ75 mm
Shaft material 40Cr (HB220–260)
Roller material GCr15 steel, HRC58–62, chrome-plated surface
Main power 15 kW x 2 Siemens motors (Made in China)
Line speed 10–60 m/min
Cutting system Servo motor (4.4 kW) controlling hydraulic flying shear (continuous cutting)
Cut length tolerance ±1.0 mm
Hydraulic power 11 kW
Solenoid valves Well-known Chinese brand
Feeding method Manual adjustment
Manual pre-shear Cuts off the start or end of the coil
Control system Siemens PLC
Frequency converter Yaskawa
Uncoiler German brand
Uncoiling method Hydraulic internal expansion, electric uncoiling
Uncoiling specifications Φ508 × 1300 mm
Internal expansion range Φ460–Φ550 mm
Max. load capacity 12 T
Uncoiler motor power 7.5 kW
Hydraulic pressure 12 MPa
Hydraulic station motor 3 kW
Hydraulic decoiler motor 7.5 kW
Loading trolley 12 T
Stacking length 12 meters
Operators 1 person

IV. Production Process

12T Coil Car → 12T Hydraulic Uncoiler → Guide Feeding → Manual Pre-shearing → Forming (20 Stations) → Servo-tracking Hydraulic Flying Shear → 12m Automatic Stacking

Process Step Description
12T Coil Car Automatically transports heavy steel coils (max. 12T) to the uncoiler station
12T Hydraulic Uncoiler Hydraulic internal expansion (Φ460–Φ550mm), electric uncoiling, and smooth material feeding
Guide Feeding Manual adjustment of guide position to ensure correct alignment of the strip with the roll forming system
Manual Pre-shearing Cuts off irregular leading or trailing ends of the coil to ensure a clean edge before entering the main machine
Forming (20 Stations) Multi-stage progressive cold roll forming to gradually shape the standard T-profile roofing panel
Servo-tracking Hydraulic Flying Shear Servo motor (4.4kW) controls the hydraulic flying shear for continuous tracking and cut-to-length operations; precision ±1.0mm
12m Automatic Stacking Automatically stacks finished products for neat output

V. Application Areas

The T-shaped roof panels produced by this roll-forming equipment are widely used in the following sectors:
Large-span industrial plants: Various industrial factories and manufacturing workshops—featuring long spans and high load-bearing capacity, these panels are an ideal choice for industrial roofing.
Warehousing and logistics facilities: Large warehouses and logistics centers—long-span roof structures provide column-free interiors, maximizing space utilization.
Garages and parking facilities: Various garages and parking structures—these panels offer ease of installation and straightforward waterproofing.
Exhibition halls and conference centers: Exhibition halls, conference centers, and sports venues—characterized by innovative designs and excellent seismic performance.
Hydropower and power generation plants: Hydropower stations and power plant buildings—successfully utilized in projects such as the Yaoheba Hydropower Station and the Heihetang Hydropower Station.
Public and commercial buildings: Shopping malls, schools, hospitals, and large public entertainment facilities—featuring an attractive appearance and a clean, simple structural design.
Residential buildings: High-end homes and villas—metal T-shaped roof panels offer vibrant colors and aesthetic appeal.
Airports and transportation hubs: Airport terminals, railway stations, and major transportation hubs—well-suited for large-span public architecture.


VI. Market Outlook

Driven by the continuous development of the global construction industry, the market for T-shaped roof panels is experiencing steady growth.
Rising demand for long-span structures: The ongoing construction of large-span buildings—such as industrial plants, logistics warehouses, and sports arenas—is fueling demand for T-shaped roof panels, which combine beam and slab functions, offer long spans, and enable rapid construction. Prestressed T-shaped panels offer numerous advantages, including long-span capabilities, simple structural design, high load-bearing capacity, excellent seismic performance, ease of waterproofing, and convenience in prefabrication and installation.
Upgrading of industrial buildings: T-shaped roof panels represent an advanced alternative to traditional steel-structure roofing; utilizing these large-span panels significantly improves the overall space utilization of buildings while offering exceptional cost-effectiveness.
Growth in the roll-forming equipment market: Global sales in the metal sheet roll-forming machine market reached $576 million in 2025 and are projected to hit $760 million by 2032. Roll-forming equipment has become the mainstream choice due to its high-speed, continuous forming capabilities.
Trends toward intelligence and efficiency: Equipment is evolving toward greater intelligence, featuring PLC-based centralized control for the entire production line—covering material feeding, uncoiling, forming, cutting, and palletizing. Multiple production tasks can be pre-programmed for automated execution. The market penetration of fully automated, intelligent roof panel production equipment continues to rise.


VII. Service Support

Solution Design: We provide personalized equipment selection and production line layout based on customer product drawings, capacity requirements, and target markets.
Custom Manufacturing: We support non-standard customization, maintaining full control over the entire process—from roll design to complete machine manufacturing.
Installation & Commissioning: Our engineers provide on-site installation, commissioning, and operator training to ensure rapid production startup.
After-Sales Support: We offer long-term technical consultation and spare parts supply; our engineers hold all necessary visas and are available for on-site service worldwide at any time.
Continuous Optimization: We provide equipment modification and capacity upgrade services to adapt to changing production needs.


VIII. Why Choose Us

Nearly 20 years of manufacturing experience: Mature technology, refined processes, and reliable quality
High speed and efficiency: Line speed of 0–35 m/min; the entire line can be operated by one person
Heavy-duty coil handling: 12-ton hydraulic uncoiler and 12-ton loading cart; maximum load capacity of 12 tons
Cast-iron housing and gearbox drive: High rigidity, high precision, and long service life
20-stage precision forming: Chrome-plated GCr15 rollers (HRC 58–62) and quenched-and-tempered 40Cr shafts (Φ75 mm)
Servo-tracking hydraulic flying shear: Continuous cutting with a length accuracy of ±1.0 mm
Intelligent control: Siemens PLC, Yaskawa VFD, and German-brand uncoiler
13-meter automatic stacking: Finished products are stacked automatically; no manual sorting required
Direct manufacturer: No middlemen, offering excellent value for money
Global service network: Engineers with ready visas and rapid response capabilities

Item Specification
Forming machine structure Arch-style frame with gearbox drive
Pre-cutting mechanism Hydraulic shearing
Shaft material 40Cr steel, quenched and tempered (HB 220–260)
Shaft diameter Φ80mm (Harbin Bearings)
Forming machine motor power 15kW × 2 units
Forming line speed 10–30 m/min
Number of forming stations 21
Rolling thickness 0.2mm–0.7mm (color-coated coil), yield strength 235–550 MPa
Material width (unfolded) Based on the actual width used during machine testing
Forming roller set 1 set
Roller material High-quality 45# carbon steel, hard chrome plated
Roller machining method CNC turning to ensure precision regarding circular runout and radial runout
Roller surface treatment Hard chrome plating (thickness ≥ 0.05mm per side)
Spacers To minimize shaft runout, spacers are machined from thick-walled tubing to ensure geometric tolerances and maximize contact area with the rollers; the inner bore features a clearance fit with the shaft.
Safety guards Protective covers installed on the drive side

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12T Coil Car – 12T Hydraulic Uncoiler – Feeding – Forming – Hydraulic Flying Shear – 12m Stacking

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About
Wuxi Yanwu Xinhui Technology Co., Ltd.

Established in 2012, Wuxi Yanwu Machinery Co., Ltd., is a professional manufacturer specializing in the R&D, design, manufacturing, and servicing of cold roll forming equipment. The company is dedicated to providing global customers with integrated solutions for automated cold roll forming production lines.

Our main products include cable tray forming machines, racking forming machines, C/Z purlin machines, solar mounting bracket forming machines, floor deck machines, door frame machines, automotive profile equipment, and cut-to-length/slitting lines.

These products are widely used in the construction, electrical power, logistics and warehousing, automotive manufacturing, new energy, and infrastructure sectors.

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News
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    The new generation of slot-type cable tray cold bending forming machine has been officially launched. It is targeted at cable tray manufacturing enterprises and focuses on the profile production requirements of power infrastructure, data centers, and new energy supporting projects. With an integrated continuous cold bending process, it addresses the industry pain points of traditional split bending processes, such as poor accuracy, low efficiency, and high labor costs. It provides cable tray manufacturers with automated and highly stable profile production equipment solutions. With the continuous construction of new power systems, data centers, factory and municipal distribution projects, slot-type cable trays, as protective support components for cables, have higher requirements for profile size consistency, forming strength, and delivery cycle. The traditional processing mode often involves individual bending of plates and secondary punching, with multiple process flows, which are prone to bending deviations, hole misalignment, and incomplete jointing, resulting in high material loss and high dependence on skilled workers. This slot-type cable tray cold bending machine integrates opening, leveling, online punching, continuous roller pressing cold bending, servo fixed-length cutting, and material stacking. After the galvanized steel strip is sent to the production line, it is formed into a complete slot-type cable tray in one step, without the need for secondary processing. The equipment uses multiple precision rolling rollers for progressive cold bending forming, with a forming size error controlled within ±0.5mm, good slot body straightness, regular bending edges, strong finished product rigidity, and effectively guarantees the later cable tray jointing and installation accuracy. It is equipped with a PLC touch control intelligent system, allowing parameters to be set quickly, and it can quickly switch between various cable tray specifications, suitable for different width and height slot-type cable tray production. It is multi-purpose in one machine. The production line operates stably, forms quickly, significantly reduces the number of workers, reduces material loss, and improves production capacity. The equipment is compatible with various raw materials such as galvanized plates and color steel plates, and the produced slot-type cable trays are widely used in data centers, factory distribution, rail transit, photovoltaic and wind power, building construction, etc., meeting the requirements for the protection of strong and weak wire cables. The equipment adopts a modular structure design, is convenient for maintenance, supports customized functional upgrades, and can be connected to the existing automation production lines. Based on mature equipment research and manufacturing capabilities, it can provide customers with equipment debugging, technical training, and integrated after-sales operation and maintenance services, helping cable tray manufacturing enterprises achieve automation upgrades, reduce costs, increase efficiency, and empower the high-quality development of domestic and foreign power infrastructure supporting industries.
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  • L-edge Angle Steel Profile Machine: Cold bending forming technology empowers the new infrastructure of architectural decoration.
    Product Positioning and Core FunctionThe L-edge angle steel profile machine is a cold bending forming equipment specifically designed for manufacturing L-shaped cross-section steel profiles. The L-shaped profiles, as an important component of the steel profile system, are mainly used for connecting the ceiling and walls and reinforcing the corners of partition walls. In practical applications, this product can effectively solve problems such as warping of the edges and corners of the sheet material and unsightly gaps, thereby enhancing the overall decorative effect. Steel profiles are classified by cross-sectional form into various specifications such as V-type, C-type, T-type, L-type, and U-type. Among them, the L-type profiles, due to their unique right-angle structure, play an irreplaceable role in detailed construction processes such as edge finishing and corner sealing. Technical Features and Performance AdvantagesThe modern L-edge angle steel profile machine adopts the cold bending forming process. The galvanized steel strip is continuously bent and deformed through a group of gradually changing profile surfaces during the process at room temperature, ultimately forming an accurate L-shaped cross-section. This process route has significant advantages such as high material utilization rate, fast production efficiency, and good product consistency. In terms of automation control, the advanced L-type profile production line has achieved full-process automation operations. A typical production line configuration includes: an automatic two-in-one unwinding and leveling machine, a fully automatic servo tracking rolling system, high-precision and high-speed forming equipment, a fully automatic servo tracking shearing system, and core modules such as the support frame. Through the computer control system for tracking rolling and shearing, the equipment can simultaneously complete punching and cutting operations during the forming process, effectively replacing the traditional post-forming punching process, which saves labor and ensures product consistency. In terms of forming accuracy, the rollers made of high-strength mold steel such as Cr12MoV, after vacuum heat treatment, can reach a hardness of HRC58-62, ensuring long-term stable operation. Combined with the servo-driven feeding system, the feeding accuracy can be controlled within ±0.5mm, meeting the strict requirements of architectural decoration for the size accuracy of the profiles. Trend of Intelligent UpgradeCurrently, the L-edge angle steel profile machine is accelerating its evolution towards intelligence and flexibility. The PLC control system is equipped with a user-friendly touch screen interface, supporting multi-language operation and formula storage functions. Operators can quickly call up the production parameters of different specifications of products to achieve rapid model change. It is worth noting that the integration of laser cutting technology with the profile machine is becoming a new industry trend. Compared with traditional mechanical shearing, laser cutting has advantages such as smooth and hairless cutting edges, no contact with molds, and low noise. The cutting edge width can be controlled within 0.1- 0.3 mm. This technological breakthrough not only improves product accuracy but also enables economic small-batch and multi-variety customized production, providing a new solution for the processing of irregular components in prefabricated buildings. Market Prospects and Industry OpportunitiesFrom the investment dynamics of the steel profile equipment industry, the market for steel profile equipment remains active. For example, Guangdong Quan Tan Jing Gong Technology Co., Ltd. has a new project with a total investment of 150 million yuan, mainly engaged in the production of fully automatic universal steel profile machine production lines and conventional steel profile machines. After the project is completed, it is expected to produce 300 conventional steel profile machines annually. This investment scale reflects the continuous demand for steel profile equipment in the market. Industry analysis indicates that with the deepening of the concepts of prefabricated buildings and green construction, steel profiles, as a lightweight, high-strength, fire-resistant, and easy-to-install new type of building material, their application fields will continue to expand. From hotels, airports, shopping malls to office buildings and old building renovations, the steel profile system is playing an increasingly important role in various building scenarios. For the L-edge angle steel profile machine, the continuous expansion of the downstream application market will directly drive the growth of equipment demand. Advanced equipment with high precision, high efficiency, and intelligence will occupy a competitive advantage in this round of industrial upgrading.
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    Technical upgrades lead industry development.The modern cold bending forming machine for automotive profiles has undergone a comprehensive upgrade from traditional hydraulic drive to servo drive technology. The servo motor-driven forming equipment not only improves positioning accuracy but also significantly reduces energy consumption and noise levels, with maintenance costs dropping sharply. In terms of forming accuracy, the axial repeat positioning accuracy of advanced equipment can reach -0.01 mm, and the upper wheel positioning accuracy reaches 0.02mm, which can meet the strict dimensional tolerance requirements of automotive structural components. The half-diameter bending capability is a significant technological breakthrough in current automotive profile cold bending forming machines. Through the four-axis positioning system and ball screw closed-loop variable frequency motor control system, the equipment can achieve one-time forming of irregular shapes such as egg-shaped and elliptical, minimizing deformation during the forming process to the greatest extent. This technological breakthrough makes it possible to achieve efficient production of complex structural components such as car window frames and body reinforcement beams. Intelligentization and automation are deeply integrated.Against the background of Industry 4.0, automotive profile cold bending forming machines are accelerating their evolution towards intelligence. The PLC control system is equipped with a user-friendly touch screen interface, supports multi-language operation, can store multiple product formulas, and enables rapid switching of different specifications of profiles. The intelligent parameter storage system significantly reduces the changeover time, and some advanced equipment can complete the mold change in 30 minutes, with an efficiency increase of 70% compared to traditional equipment. Full-process automation operations have become the industry standard. From feeding, guiding, and forming to welding, cutting, and packaging, the entire production line can operate without human intervention, with only 1-2 people on duty per production line. The integration of the automatic stacking system further reduces manual intervention, ensuring the neat stacking and efficient turnover of finished profile products. Continuous breakthroughs in lightweight material processing capabilitiesFacing the increasing demand for high-strength steel and aluminum alloy materials in the automotive industry, the technical adaptability of cold bending forming equipment is constantly improving. Modern equipment can handle materials such as strengthened steel and galvanized steel with thickness ranges of 0.3-5.0mm. The rollers use Cr12MoV mold steel after vacuum heat treatment, with a hardness of HRC58-62, ensuring no cracking during high-strength steel forming. To address the industry pain point of high-strength steel forming prone to rebound and cracking, equipment manufacturers have optimized the roller curve design and adopted multi-pass progressive roller pressing technology to effectively solve this technical problem. The section size tolerance can be stably controlled within ±0.2mm, the hole position accuracy is fine to ±0.1mm, and the product qualification rate can reach over 99.5%. The market prospect is broad.According to industry research, the cold bending forming machine market is experiencing a rapid growth period. In the automotive manufacturing field, with the explosive growth of the new energy vehicle industry, the production demand for core structural components such as battery trays and body reinforcement beams has significantly increased. The widespread application of lightweight materials and the increase in complex pipe component structures continue to drive the demand for advanced cold bending forming equipment. Industry insiders point out that in the future, cold bending forming technology will evolve towards multi-axis linkage and flexible manufacturing. The implementation of artificial intelligence and machine vision technologies will give equipment the ability to perform online quality inspection, and digital twin technology will be applied to forming process simulation, further reducing trial-and-error costs and accelerating new product development speed. Equipment manufacturers with the ability to provide customized solutions will gain a competitive advantage in this round of industrial upgrading.
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