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Steel Keel Cold Roll Forming Machine
L-shaped corner light steel keel Roll Forming Machine
L-shaped corner light steel keel Roll Forming Machine
L-shaped corner light steel keel Roll Forming Machine
L-shaped corner light steel keel Roll Forming Machine
L-shaped corner light steel keel Roll Forming Machine

L-shaped corner light steel keel Roll Forming Machine

The L-shaped corner light steel keel roll forming machine is used to produce L-shaped corner keels for building ceiling and decoration systems. The equipment employs a continuous roll forming process, ensuring dimensional stability and smooth edges, thus improving subsequent installation results. This product is mainly used for ceiling edging, wall corner decoration, and auxiliary structures for gypsum board installation, and is suitable for mass production by decoration material manufacturers.

L-shaped corner light steel keel roll forming machine – a professional manufacturer and expert in corner keel forming, offering precise, stable, and efficient production.

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Equipment Overview

The L-shaped corner light steel keel roll forming machine is a professional cold-bending forming equipment specifically designed for producing L-shaped corner keels in building ceiling systems, decoration projects, and wall edging systems. L-shaped corner keels (Angle Bead / L Angle Keel) are architectural decorative profiles processed from continuous galvanized steel strips through a cold-bending process. They are mainly used for ceiling edging, wall corner protection, decorative line fixing, and building structural connections.
L-shaped corner keels are characterized by their light weight, high strength, easy installation, good corrosion resistance, and dimensional stability, making them an important auxiliary profile in modern building decoration systems. Compared to traditional aluminum alloy or wood edging materials, light steel corner keels offer better fire resistance and structural stability, meeting the safety and durability requirements of large commercial buildings, residential renovations, and public facilities.
The L-shaped corner light steel keel machine processes galvanized steel coils into standard L-shaped corner keel products through hydraulic uncoiling, automatic feeding, leveling and straightening, punching, continuous roll forming, length cutting, and automatic material collection.
The equipment employs multi-pass progressive cold bending forming technology, using precisely designed forming rollers to gradually change the cross-section of the steel strip, resulting in a stable 90° L-shaped structure. Compared to traditional bending methods, cold bending forming offers advantages such as high production efficiency, high material utilization, good product consistency, and low labor costs.
The L-shaped corner light steel keel machine is suitable for galvanized steel strips with a thickness of 0.3- 1.0 mm and can produce L-shaped corner keels of different widths, heights, and thicknesses according to customer needs. The equipment is highly automated and easy to operate, making it an important piece of equipment for building decoration material manufacturers to achieve continuous and large-scale production.


Core Advantages and Selling Points

Dedicated L-shaped Cross-section Forming Design for Stable Product Structure
The L-shaped corner light steel keel machine is specially designed for the structural characteristics of building edge trim profiles. By rationally distributing the deformation amount in each pass, the steel strip gradually forms a standard L-shaped cross-section.
The equipment guarantees:
Precise Angles
Smooth Edges
Stable Cross-section
High Dimensional Consistency
Avoiding problems such as angle deviation and edge deformation that are prone to occur in traditional bending processes.
The produced L-shaped corner keels can better match ceiling panels, wall decoration panels, and building edge trim structures, improving construction and installation efficiency.
Multi-pass Progressive Cold Bending Forming for Improved Product Quality
The equipment adopts a multi-pass continuous roller forming method, gradually completing the material bending through multiple forming stations.
Compared to single-pass bending processing, multi-pass cold bending forming has the following advantages:
Uniform Material Stress
Reduced Internal Stress
Reduced Springback
Improved Product Straightness
Ensuring Long-Term Stability
Especially suitable for mass production of building decorative profiles.
High-precision rolling system ensures consistent forming.
The rolling mill rolls are made of high-quality mold steel and heat-treated to improve wear resistance.
The precision rolling mill design effectively controls angle changes during the L-shaped corner keel forming process, ensuring uniform product specifications.
Roll advantages:
High wear resistance
Long service life
Long maintenance cycle
Stable forming accuracy
Suitable for continuous production environments.
Supports production of multiple specifications, improving equipment utilization.
The L-shaped corner light steel keel machine can be designed with different specifications according to customer needs.
Produces:
L15×15 corner keel
L20×20 corner keel
L25×25 corner keel
L30×30 corner keel
Customized corner profiles
By adjusting equipment parameters, the requirements for corner keel specifications in different construction projects can be met.
Online punching configuration improves installation convenience.
An online punching system can be added to the equipment according to customer product requirements.
The punching system enables:
Automatic positioning
Precise punching
Continuous processing
Reduced manual secondary processing
Increased product standardization
Online punched corner keels can be quickly installed, improving construction efficiency.
The automated control system reduces manual operation requirements
The equipment adopts a PLC automatic control system with a touch screen operating interface, realizing intelligent control of the production process.
Operators can set:
Production speed
Cutting length
Operating parameters
Equipment status
Fault information
Automated production reduces manual intervention and improves production stability.
Under normal production conditions, only 1-2 operators are needed to complete the entire line operation.
High-efficiency continuous production increases enterprise capacity
The L-shaped corner light steel keel machine adopts a continuous cold bending production mode, enabling continuous processing of steel coils.
Compared to traditional shearing and bending methods:
Faster production speed
Less material waste
Higher product consistency
Lower labor costs
Suitable for building material manufacturers to produce large quantities of orders.


Production Process

Hydraulic Uncoiling → Guided Feeding → Leveling and Correction → Punching → L-Shaped Roll Forming → Length Cutting → Automatic Reeling
Hydraulic Uncoiling: The hydraulic uncoiler stably supports the steel coil, enabling continuous automatic feeding.
Guided Feeding: Precisely controls the direction of the steel strip's entry, ensuring accurate positioning of the material within the forming system.
Leveling and Correction: Eliminates internal stress in the steel coil, improving material flatness.
Punching: Completes hole-positioning processing according to installation requirements.
L-Shaped Roll Forming: Multiple sets of rollers gradually complete a 90° bend, forming the steel strip into a standard L-shaped structure.
Length Cutting: Automatically cuts to the set length, ensuring uniform product specifications.
Automatic Reeling: Finished products are automatically arranged for convenient packaging and transportation.


Application Areas

L-shaped corner light steel keel machine products are widely used in:
Building ceiling systems: Used for edge finishing around ceilings, improving overall structural stability.
Interior decoration projects: Used for wall decoration, partition projects, and fixing decorative lines.
Commercial buildings: Used in large-scale decoration projects such as shopping malls, hotels, and office buildings.
Residential buildings: Used for ceiling and corner protection structures in residential decoration.
Public facilities: Suitable for building decoration projects in schools, hospitals, stations, etc.
Prefabricated buildings: Used as a supporting profile for light steel building systems.


Market Prospects

With the continuous development of the global building decoration industry, the market demand for light steel keel and supporting profiles is constantly growing.
Modern architecture increasingly emphasizes construction efficiency, safety performance, and environmental friendliness of materials. Light steel decorative systems, with their advantages of fast construction speed, stable quality, and excellent fire resistance, are gradually becoming an important choice in the building decoration industry.
As a basic profile in ceiling systems and decoration projects, the L-shaped corner keel, although simple in structure, has a wide range of applications and stable market demand. With the continuous increase in commercial buildings, residential decoration, and public building projects, the demand for automated corner keel production equipment is also constantly increasing.
In the future, the building materials industry will further develop towards automation and large-scale production. High-efficiency, high-precision cold bending forming equipment will become an important tool for corner keel manufacturers to enhance their competitiveness.


Service Support

Solution Design: We provide complete equipment solution design based on customer product specifications, production requirements, and production environment.
Equipment Customization: We support the customization of corner keel products with different sizes and cross-sections.
Installation and Commissioning: Professional engineers provide equipment installation, commissioning, and operation training.
Technical Services: We provide long-term support for production process optimization, equipment maintenance, and spare parts supply.
Upgrades and Retrofits: We provide automation upgrade solutions based on customer capacity expansion needs.


Why Choose Us

Nearly 20 years of experience in cold bending equipment manufacturing, possessing mature light steel keel production technology.
Specializing in equipment development for building profiles, our products cover various keel types.
Precision roll manufacturing technology ensures stable product dimensions.
Automated control systems improve production efficiency and reduce labor costs.
We support non-standard customization, providing complete solutions based on customer needs.
Direct supply from the source factory offers significant price advantages.
A comprehensive global service system supports overseas installation, commissioning, and long-term technical support.

Equipment Name

 L-Shaped Corner Light Steel Keel Machine

Applicable Materials

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

Material Thickness

 0.3-1.0mm

Material Width

 Customized according to product specifications

Product

 L-shaped corner keel

Forming Speed

 20-50m/min

Forming Method

 Multi-pass cold bending roll forming

Number of Forming Passes

 10-16 passes

Transmission Method

 Chain drive or gearbox drive

Roll Material

 GCr15, Cr12MoV

Roll Hardness

 HRC58-62

Control Method

 PLC automatic control

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
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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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  • Technological innovation drives industrial upgrading and promotes the development of automotive lightweighting.
    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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