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Steel Keel Cold Roll Forming Machine

CU Opening and Closing Light Steel Keel Roll Forming Machine

The CU Opening and Closing Light Steel Keel Roll Forming Machine is specifically designed for producing light steel keel profiles with openable and closable connection structures. Through a special roll design, this equipment provides the keel with superior connection performance and installation flexibility, meeting the needs of various wall structures and prefabricated buildings. It is suitable for partition wall systems and modular building projects requiring rapid installation and dismantling, as well as improved construction efficiency.

CU Opening and Closing Light Steel Keel Roll Forming Machine – Professional manufacturer, quick changeover expert, flexible production, high efficiency and stability

Equipment Introduction

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Equipment Overview

The CU Opening and Closing Light Steel Keel Roll Forming Machine is a highly flexible cold-bending forming production equipment specifically designed for manufacturing C-shaped and U-shaped light steel keels for building partitions, ceiling systems, and prefabricated buildings. This equipment optimizes the structure of the traditional CU-type light steel keel machine, achieving rapid switching between different specifications of C-shaped and U-shaped keels through an openable forming frame design, significantly reducing changeover time and improving overall equipment utilization.
Light steel keel is a lightweight, thin-walled steel structure profile made primarily from continuous hot-dip galvanized steel strip through a continuous cold-bending forming process. Due to its advantages such as light weight, high strength, fire resistance, moisture resistance, corrosion resistance, and convenient installation, it is widely used in modern building interior systems.
The CU openable light steel keel machine adopts a modular openable forming structure. The spacing between the forming rollers is changed through mechanical adjustment, allowing the equipment to adapt to the production of keel products with different widths, heights, and cross-sectional structures. Compared to traditional fixed light steel keel equipment, this machine eliminates the need for frequent roll disassembly, enabling rapid conversion between different product specifications and effectively improving production flexibility.
The entire line consists of hydraulic uncoiling, guiding feeding, leveling and straightening, a punching system, openable roll forming, length cutting, and an automatic material collection system. The equipment utilizes a PLC automatic control system to achieve automatic adjustment of production parameters and full-process digital management.
The CU openable light steel keel machine is suitable for galvanized steel strips with a thickness of 0.35- 1.5 mm and can produce various specifications of C-shaped keels, U-shaped top and bottom keels, and special structural light steel profiles. It is particularly suitable for light steel keel manufacturers with diverse product specifications, frequent order changes, and a need for rapid product changeover.


Core Advantages and Selling Points

Opening/Closing Forming Structure for Quick Switching Between Specifications
The biggest feature of the CU opening/closing light steel keel machine is its opening/closing forming frame design. By adjusting the distance between the forming rollers, different specifications of keel products can be quickly switched.
Traditional light steel keel production equipment is usually designed for a single specification. Changing products requires disassembling a large number of rollers, which is not only time-consuming but also affects production efficiency.
Advantages of the opening/closing structure: No need to frequently change the entire set of rollers; reduced equipment adjustment time; improved production line utilization; adaptable to multi-variety order production; reduced equipment investment costs; particularly suitable for building material companies to produce multiple specifications of keel products simultaneously.
C/U Dual-Mode Production: One machine covers multiple building profiles. Through optimized roller design, the equipment can quickly switch between C-shaped and U-shaped keels.
Production scope includes: C-shaped vertical keels, U-shaped ceiling and ceiling keels, partition wall system keels, ceiling load-bearing keels, decorative system auxiliary profiles. A single production line can meet the needs of different construction projects, improving equipment utilization efficiency.
Precision multi-pass cold bending ensures profile quality. The equipment employs a progressive multi-pass cold bending process, allowing the steel strip to deform gradually at multiple forming stations.
Compared to single-pass bending, multi-pass forming reduces internal material stress, minimizes product springback, improves cross-sectional accuracy, ensures product straightness, enhances installation compatibility, and guarantees dimensional stability and structural robustness of the produced light steel keel.
High-rigidity frame design is suitable for long-term continuous production. The main body of the equipment utilizes a high-strength frame structure, improving overall rigidity and operational stability.
During high-speed production, the high-rigidity structure effectively reduces equipment vibration, ensuring precise roller alignment.
Equipment advantages: smoother operation, more uniform forming pressure, longer equipment lifespan, lower maintenance costs, and meeting the continuous production needs of large-scale light steel keel factories.
The online punching system enhances product added value. The equipment can be configured with an automatic punching device according to customer requirements, enabling online processing of keel holes.
The punching system can be customized according to product specifications: hole spacing, hole type, hole position, and punching quantity. Online punching reduces subsequent processing steps, improves product standardization, and facilitates rapid on-site installation.
The high-precision roll system protects the galvanized layer quality. The forming rolls are made of high-quality mold steel and undergo heat treatment to improve wear resistance and service life.
The precision roll design ensures a smooth profile surface, an undamaged galvanized layer, stable cross-sectional dimensions, and maintained high precision over long-term production, making it suitable for large-volume, high-quality light steel keel production.
PLC intelligent control ensures simple and convenient operation. The equipment adopts a PLC automatic control system equipped with a touch screen human-machine interface, realizing intelligent management of the production process.
Operators can control in real time: production speed, product length, changeover parameters, equipment status, alarm information. Automated control reduces manual labor requirements; normal production requires only 1-2 people to operate.
High-efficiency production meets the market's demand for rapid delivery. The CU opening and closing type light steel keel machine adopts a continuous production mode, which is more efficient than traditional processing methods.
The equipment is capable of continuous processing of steel coils, rapid adjustment of specifications, reduced downtime, and improved order response speed. It is suitable for building material suppliers, large-scale keel manufacturers, and export-oriented building material manufacturers.


Production Process

Hydraulic Uncoiling → Guided Feeding → Leveling and Correction → Online Punching → Opening/Closing Roll Forming → Fixed-Length Cutting → Automatic Reclaiming
Hydraulic Uncoiling: The hydraulic uncoiling mechanism stably supports the steel coil, ensuring continuous production through automatic feeding.
Guided Feeding: A precision guiding device controls the direction of the steel strip entry, preventing material deviation and improving forming accuracy.
Leveling and Correction: The leveling mechanism eliminates internal stress in the steel strip, keeping the material flat.
Online Punching: Wire hole processing is completed according to customer installation requirements, improving product construction efficiency.
Opening/Closing Roll Forming: C-shaped and U-shaped wire ribs are continuously processed through an adjustable forming mechanism.
Fixed-Length Cutting: Automatic cutting according to set lengths ensures uniform product specifications.
Automatic Reclaiming: Finished products are automatically arranged and collected, improving packaging and transportation efficiency.


Application Areas

CU opening and closing type light steel keel machine products are widely used in the following fields:
Residential Buildings: Used for residential partition walls, ceilings, and interior decoration structural systems.
Commercial Buildings: Suitable for interior decoration of large buildings such as shopping malls, hotels, and office buildings.
Prefabricated Buildings: An important component of modular buildings, improving construction efficiency.
Industrial Plants: Used for factory office areas, functional area partitions, and internal structural construction.
Public Buildings: Widely used in public facilities such as hospitals, schools, and transportation buildings.
Export Building Materials Markets: Suitable for the light steel building system needs in Europe, America, the Middle East, Southeast Asia, and other regions.


Market Prospects

As the global construction industry moves towards industrialization and standardization, the market demand for light steel keel, as a crucial material in modern building interior systems, continues to grow.
Compared to traditional building materials, light steel keel offers advantages such as faster construction speed, lighter weight, better environmental performance, and recyclability, leading to its expanding applications in residential decoration, commercial buildings, and prefabricated construction.
Especially in Europe, America, the Middle East, and Southeast Asia, light steel structure building systems have become an important construction method. With rising labor costs and increasing demand for shorter construction cycles, the market for automated light steel keel production equipment continues to expand.
CU-type opening and closing light steel keel machines, with their advantages of rapid changeover, multi-specification production, and high degree of automation, are more in line with the future trend of flexible production for building materials companies.


Service Support

Solution Design: We provide professional light steel keel production line solutions based on customer product specifications, production capacity, and market demand.
Equipment Customization: We support customized development of keel products with different sizes, cross-sections, and special specifications.
Installation and Commissioning: We arrange professional engineers to install and commission the equipment and train customer operators.
Technical Support: We provide long-term equipment maintenance guidance, production process optimization, and spare parts supply.
Production Upgrade: We provide automation upgrade and capacity expansion solutions based on customer development needs.


Why Choose Us

Nearly 20 years of experience in cold bending equipment manufacturing; mature technology and perfected production processes.
Professional light steel keel equipment manufacturing capabilities, covering various building keel production needs.
Quick changeover technology advantage; openable structure improves equipment utilization.
High-precision manufacturing capabilities ensure stable product dimensions and production quality.
Intelligent control system enables highly efficient automated production.
Supports global customization services, providing complete solutions based on customer needs.
Direct supply from the source factory reduces procurement costs and improves return on investment.
Global after-sales service system provides installation, commissioning, and long-term technical support.

Equipment Name

 CU Opening/Closing Type Light Steel Keel Machine

Applicable Materials

 Hot-dip galvanized steel strip, cold-rolled steel strip

Material Thickness

 0.35-1.5mm

Material Width

 Customized according to product specifications

Products

 C-shaped keel, U-shaped keel

Forming Speed

 20-60m/min

Forming Method

 Multi-pass cold bending roll forming

Number of Forming Passes

 12-20 passes

Changeover Method

 Opening/closing mechanical adjustment

Transmission Method

 Chain drive or gearbox drive optional

Roll Material

 GCr15, Cr12MoV

Roll Hardness

 HRC58-62

Control System

 PLC automatic control

Punching Method

 Hydraulic punching or servo punching optional

Cutting Method

 Hydraulic cutting

Operators

 1-2 people

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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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