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Steel Keel Cold Roll Forming Machine

CU-type light steel keel Roll Forming Machine

The CU-type light steel keel roll-forming machine is professional cold-bending forming equipment for producing C-type vertical keels and U-type vertical keels. The equipment continuously forms galvanized steel strips using multiple sets of precision rollers and can be configured with automatic punching, cutting, and material collection systems as needed. The produced CU-type keels are lightweight, high-strength, and easy to install, and are mainly used in building partitions, interior decoration, ceiling supports, and light steel structure decorative systems.

CU-type light steel keel roll forming machine – a professional manufacturer and expert in light steel structure forming, offering efficient, stable, and intelligent production.

Equipment Introduction

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Equipment Overview

The CU-type light steel keel roll forming machine is a professional cold-bending forming production line specifically designed for producing C-shaped and U-shaped keels for building decoration systems, partition systems, and ceiling systems. Light steel keel is a thin-walled steel structural profile made primarily from continuous hot-dip galvanized steel strip through a cold-bending roll forming process. It features lightweight, high strength, good fire resistance, moisture and corrosion resistance, and convenient construction, making it a crucial basic material in modern prefabricated building decoration systems.
As the global construction industry moves towards lightweighting, industrialization, and greening, light steel keel is gradually replacing traditional wooden keels and some concrete structural auxiliary materials, and is widely used in residential buildings, commercial buildings, office buildings, hotels, hospitals, industrial plants, and prefabricated building internal structural systems.
The CU-type light steel keel machine processes galvanized steel coils into standardized C-shaped and U-shaped light steel keel products through continuous processes including hydraulic uncoiling, guided feeding, leveling and straightening, punching, roll forming, fixed-length cutting, and automatic material collection. The entire production line utilizes a PLC automatic control system, achieving fully automated continuous production from raw material input to finished product output, significantly improving production efficiency and reducing labor costs.
The equipment employs multi-pass progressive cold bending forming technology. Through precisely designed forming rollers, the steel strip progressively completes bending, reinforcing rib forming, edge shaping, and final cross-section correction at multiple stations. Compared to traditional stamping and bending methods, cold bending forming offers advantages such as high material utilization, fast production speed, good dimensional consistency, and low production costs.
The CU-type light steel keel machine can produce C-type vertical keels, U-type top and bottom keels, and matching building structural profiles of different specifications according to customer needs. It is suitable for processing galvanized steel strips with a thickness of 0.35-1.5mm. The equipment features flexible configuration changes, stable operation, and a high degree of automation, making it an important piece of equipment for light steel keel manufacturers to achieve large-scale production.

Core Advantages and Selling Points

C/U Dual-Structure Production: One Machine Meets Multiple Light Steel Keel Needs
The CU-type light steel keel machine adopts a flexible forming design. By adjusting the position of the forming rollers and some structural parameters, it can quickly switch between C-type and U-type keel products.
Traditional light steel keel production usually requires different equipment for different products. The CU-type equipment, through modular design, improves equipment utilization and reduces customer equipment investment costs.
One production line can cover:
C-type vertical keel
U-type ceiling and ceiling keel
Partition wall system keel
Ceiling system keel
Architectural decorative auxiliary profiles
Meeting the diverse, small-batch, and large-scale order production needs of building material companies.
Multi-pass precision cold bending forming ensures product dimensional stability
The equipment adopts a multi-pass progressive roll forming process. The deformation amount of each pass is rationally allocated according to the cross-sectional characteristics of the light steel keel, ensuring uniform stress on the material and avoiding problems such as cracking, deformation, and springback that occur in traditional processing.
Multi-pass forming offers the following advantages:
Precise profile cross-sectional dimensions
High product straightness
Complete edge forming
Stable surface quality
Good installation and matching performance
It can meet the requirements for keel strength and dimensional accuracy during building construction.
High-rigidity frame structure ensures long-term stable operation
The forming machine adopts a high-strength frame structure design, and key components are precision-machined to improve the overall rigidity of the equipment.
The high-rigidity structure effectively reduces equipment vibration during high-speed operation, ensuring precise matching between the rollers and maintaining stable performance during long-term continuous production.
Equipment features:
Stable structure, not easily deformed
Uniform forming pressure distribution
Long equipment service life
Low maintenance cost
Suitable for long-term continuous production in light steel keel factories.
Online punching system improves product installation efficiency
The CU-type light steel keel machine can be configured with an online punching device according to customer product requirements to automatically process keel mounting holes, connecting holes, and positioning holes.
Online punching compared to traditional post-processing methods:
Reduces manual operation
Improves hole position accuracy
Simplifies production process
Increases product added value
Especially suitable for applications requiring high installation efficiency, such as building partition systems and ceiling systems.
High-performance roll system ensures profile quality
The equipment rolls are made of high-quality mold steel and undergo heat treatment to improve wear resistance and service life.
Precision roll design effectively controls stress changes during material forming, avoiding damage to the galvanized layer and ensuring a smooth and aesthetically pleasing surface for the light steel keel.
Roll advantages:
High wear resistance
Stable dimensions
High forming accuracy
Long maintenance cycle
Suitable for large-scale continuous production.
Automated control system reduces labor costs
The entire line uses a PLC automatic control system equipped with a touch screen human-machine interface for digital management of production parameters.
Operators can control the following via the touchscreen:
Production speed setting
Product length setting
Equipment start/stop control
Operating status monitoring
Fault alarm query
The entire production line requires only 1-2 operators during normal operation, significantly reducing labor costs and improving production management efficiency.
High-efficiency continuous production meets the needs of large-scale manufacturing.
The CU-type light steel keel machine adopts a continuous roller pressing production method, eliminating the need for frequent shutdowns for adjustments, resulting in higher production efficiency compared to traditional processing methods.
The equipment can achieve:
Continuous production
Stable material supply
Rapid cutting
Automatic material collection
Reduced material waste
Improved order fulfillment capability
Suitable for large building material manufacturers, light steel keel manufacturers, and building material suppliers.


Production Process

Hydraulic Uncoiling → Guided Feeding → Leveling and Correction → Online Punching → Roll Forming → Cutting to Length → Automatic Receiving
Hydraulic Uncoiling: The hydraulic uncoiler carries the steel coil, fixing the material through hydraulic tension to achieve continuous and stable feeding.
Guided Feeding: A precision guiding mechanism controls the direction of the steel strip's entry, preventing material deviation and improving subsequent forming accuracy.
Leveling and Correction: A leveling mechanism eliminates internal stress generated during steel coil transportation and storage, keeping the material flat.
Online Punching: Automatically punches holes in the keel according to customer building installation requirements, improving product construction convenience.
Roll Forming: Multiple sets of precision rollers gradually change the material cross-section, ultimately forming the steel strip into a standard C-shaped or U-shaped keel.
Cutting to Length: Automatically cuts to the customer's set length, ensuring uniform product length and improving packaging and transportation efficiency.
Automatic Receiving: Finished products are automatically arranged and collected for convenient subsequent packaging, transportation, and use.

Application Areas

The light steel keel products produced by the CU-type light steel keel machine are widely used in the following fields:
Building Partition Wall Systems: Used in the interior partition wall structures of residential, office, and commercial buildings, serving as a supporting framework for the walls and improving construction efficiency.
Ceiling Decoration Systems: Used in the ceiling structures of hotels, shopping malls, office buildings, etc., providing stable load-bearing support.
Prefabricated Buildings: As an important component of prefabricated buildings, light steel keels enable rapid construction and modular installation.
Industrial Buildings: Used for interior space partitioning and decoration projects in industrial plants, warehouses, and production workshops.
Green Building Projects: Light steel keels have advantages such as light weight, environmental friendliness, and recyclability, aligning with the modern development direction of green buildings. Services.

Market Prospects

With the rapid development of global industrialized construction and prefabricated buildings, the market demand for light steel keel continues to grow.
Compared to traditional building materials, light steel keel features faster construction speed, lighter weight, better seismic performance, and superior fire resistance, leading to its increasing application in residential construction, commercial decoration, and public buildings.
The European and American markets have long used light steel keel as an internal structural material for buildings. In the Middle East, the rapid development of commercial buildings and infrastructure construction has led to a continuous increase in demand for light steel keel and automated production equipment. Emerging markets in Southeast Asia and South America are also experiencing significant demand for building profiles due to urbanization.
In the future, with rising building energy efficiency standards and increasing labor costs, automated, high-efficiency, and high-precision light steel keel production equipment will gradually replace traditional manual processing methods, further expanding the market.


Service Support

Solution Design: We provide complete light steel keel production line design solutions based on customer product specifications, production capacity requirements, and factory conditions.
Equipment Customization: We support the customization of keel products with different cross-sections, thicknesses, and specifications, controlling the entire process from roll design to complete machine manufacturing.
Installation and Commissioning: We provide global installation and commissioning services by professional engineers and train customer operators to ensure rapid equipment deployment in production.
Technical Support: We provide long-term equipment maintenance guidance, production process optimization, and spare parts supply services.
Capacity Upgrade: We provide equipment upgrades, automation transformations, and production line optimization solutions based on changes in customer production needs.

Why Choose Us?

Nearly 20 years of experience in cold bending equipment manufacturing; mature technology, perfected production processes, and stable and reliable equipment.
Professional light steel keel production solutions, covering C-shaped, U-shaped, and various other building keel product needs.
High-precision manufacturing capabilities; using precision-machined rollers to ensure product dimensional stability.
Automated production advantages; PLC control system enables continuous, efficient, and intelligent production.
Flexible customization capabilities; quickly design dedicated equipment based on customer product drawings.
Direct supply from the source factory, reducing intermediate links and improving equipment cost-effectiveness.
Global service network; professional engineering team supports overseas installation, commissioning, and after-sales service.

Item Specification
Equipment Name CU Type Light Steel Keel Machine
Applicable Materials Hot-dip galvanized steel strip, cold-rolled steel strip
Material Thickness 0.35–1.5 mm
Material Width Customized according to product specifications
Forming Speed 20–60 m/min
Forming Method Multi-pass cold bending roll forming
Number of Forming Passes 12–20 passes
Transmission Method Chain drive or gearbox drive optional
Roll Material GCr15, Cr12MoV
Roll Treatment Quenching treatment, HRC 58–62
Control System PLC fully automatic control
Punching Method Hydraulic punching or servo punching optional
Cutting Method Hydraulic cutting or flying saw cutting
Operators 1–2 people with after-sales service

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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
  • 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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  • 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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