High-speed Guardrail Roll Forming Machine

Highway Guardrail Roll Forming Equipment Series – Complete Solutions for Road Safety Infrastructure

Series Overview

The Highway Guardrail Roll Forming Equipment Series is a comprehensive range of specialized production lines designed for manufacturing W-beam (2-wave) and three-beam (3-wave) guardrails, as well as all related accessories including C/U channel posts, transition joints, and 2-wave to 3-wave transition stamping equipment. These are the critical safety barriers installed along highways, bridges, median dividers, and mountain roads worldwide to prevent vehicles from straying into dangerous areas.

Every W-beam or three-beam section must meet rigorous, non-negotiable road safety standards—such as the U.S. AASHTO M180 / NCHRP 350 or Europe‘s EN 1317. Our equipment is engineered to deliver the precision, speed, and durability required to comply with these global standards.

With over 20 years of manufacturing experience, we provide fully automatic, PLC-controlled production lines that integrate decoiling, leveling, punching, continuous roll forming, hydraulic cutting, and automatic stacking into a single continuous operation.

Equipment Range

1. 2-Wave (W-Beam) Guardrail Roll Forming Machine
The most widely installed highway barrier profile in the world. The 2-wave guardrail features two symmetrical corrugations creating the characteristic “W” shape. Standard W-beam profiles are typically 312 mm in total width with a depth of approximately 82–85 mm.
Applications: Highways, national roads, rural roads, and standard protection grade sections.

2. 3-Wave (Three-Beam) Guardrail Roll Forming Machine
The 3-wave guardrail is a newer profile that provides higher containment capacity—essentially two W-beam sections combined into a single, stronger barrier. It is designed for high-protection grade sections requiring superior crash resistance.
Applications: High-speed highways, bridge approaches, tunnels, mountain roads with challenging terrain, and high-protection grade sections.

3. 2-Wave & 3-Wave Integrated Guardrail Roll Forming Machine
A dual-function integrated machine featuring a modular changeover design that supports rapid switching between 2-wave and 3-wave production. Changeover time is less than 20 minutes. This maximizes equipment utilization and eliminates the need for separate production lines.
Applications: Manufacturers handling diversified orders with varying profile requirements; ideal for “2-to-3” upgrade projects.

4. C/U Channel Guardrail Post Roll Forming Machine
Dedicated equipment for producing C-type and U-type guardrail posts—the core support members of the guardrail system that bear impact loads during collisions and absorb crash energy through soil interaction.
Applications: Guardrail post production matching 2-wave and 3-wave barrier systems.

5. Guardrail Transition Joint Stamping Equipment
Specialized stamping equipment for producing transition connectors used between different guardrail profiles and between guardrail sections and terminals.
Applications: Transition sections between 2-wave and 3-wave guardrails, guardrail-to-terminal connections.

6. 2-Wave to 3-Wave Transition Stamping Equipment
Dedicated stamping equipment for producing transition connection panels between 2-wave and 3-wave guardrails. With the nationwide “2-to-3” upgrade trend accelerating, demand for transition components is growing rapidly.
Applications: Highway upgrade projects replacing 2-wave barriers with higher-spec 3-wave systems.

Key Technical Specifications
Parameter Specification
Length Tolerance: ±1 mm
Forming Speed: 5 – 20 m/min (adjustable )
Leveling Rolls: 5 – 9 rolls
Forming Stations: 12 – 20 stations
Material Thickness: 2.0 – 4.5 mm
Material Grades: Q235 / Q355 / galvanized steel / weather-resistant steel
Profile Options: 2-wave (W-beam) / 3-wave (three-beam) / 2-in-1 switchable
Roller Material: GCr15 / Cr12MoV, HRC58-62, surface chrome-plated
Shaft Diameter: Φ76 – Φ110 mm
Motor Power: 15 – 44 kW (2 × 22 kW)
Control System: PLC fully automatic with touchscreen HMI

Core Advantages

1. Uncompromising Precision – ±1 mm Length Tolerance——±1mm
Industry-leading cutting accuracy ensures consistent product quality and seamless on-site installation. The servo flying shear technology delivers sub-millimeter length accuracy at high line speeds. Every guardrail section is cut to exact specifications, minimizing waste and eliminating rework.

2. High-Speed Production – 5–20 m/min Forming Speed——5-20m/min
Flexible speed control adapts to different material thicknesses and profiles, balancing productivity with quality. The machine maintains tight tolerances even at higher speeds, enabling 24-hour continuous production.

3. Precision Leveling – 5–9 Leveling Rolls
The independent leveling device eliminates material stress before forming, ensuring flat, straight input material for optimal forming accuracy. Available configurations include 3-up/4-down and other roll arrangements depending on material thickness requirements.

4. Multi-Stage Forming – 12–20 Forming Stations
Multi-stage progressive roll forming ensures smooth, distortion-free profile shaping. More stations mean better control over complex cross-sections, resulting in superior waveform consistency and structural integrity. 16 forming stations is a typical configuration with GCr15 rollers (HRC58-62) and chrome-plated surfaces.

5. 2-in-1 Integrated Design – One Machine, Two Profiles
Our 2-wave & 3-wave integrated machine allows operators to switch between profiles in under 20 minutes. This significantly reduces capital investment, saves factory floor space, and improves equipment utilization for manufacturers handling diverse order portfolios.

6. Pre-Punching & Pre-Cutting Process
Pre-punching and pre-cutting processes improve efficiency, save raw materials, and ensure accurate hole positioning. The punching unit delivers precise bolt hole and slot patterns with minimal burr to prevent interference with bolt fit and potential weakening of the steel cross-section.

7. Heavy-Duty Construction
Rigid cast-iron stands with H-beam steel frames
40Cr hardened shafts (Φ76–Φ110 mm) with CNC precision machining
GCr15/Cr12MoV rollers (HRC58-62) with chrome-plated surfaces
Gearbox transmission with universal joint drive
Dual-motor configuration (2 × 22 kW) for balanced power distribution
Emergency stop buttons and protective mesh covers on all drive parts

8. Fully Automatic PLC Control
Panasonic PLC with Omron encoder for precise length measurement
Delta or Siemens touchscreen HMI
Operators can set length, quantity, hole positions, and all production data
Recipe memory for quick profile and coil parameter recall
Overload protection and automatic shutdown upon order completion
Multi-language interface (English/Chinese standard; other languages customizable)

International Standards Compliance
Our guardrail roll forming machines are engineered to comply with major international specifications:

Standard Region / Application
AASHTO M180 U.S. standard for corrugated sheet steel beams for highway guardrail
EN 1317 European standard for road restraint systems restraint systems
MASH / NCHRP 350 U.S. crash test standards for roadside safety hardware
GB/T 31439.1-2025 / GB/T 31439.2-2025 Chinese national standards for W-beam and three-beam guardrails
This ensures seamless integration into infrastructure projects across North America, Europe, Southeast Asia, Africa, the Middle East, South America, and beyond.

Standard hole patterns (AASHTO/EN bolt and slot layouts) are supported via servo die sets. Quality assurance includes geometry verification (wave depth, web width, hole pitch vs. standard drawings), coating verification (zinc mass test, bend test, adhesion checks), and material certification (yield/tensile strength alignment to design class).

Global Market Context

The global guardrail roll forming machine market was valued at $2.369 billion in 2025 and is projected to reach $3.400 billion by 2032, growing at a CAGR of 5.3%. Global sales reached 12,800 units in 2025, with an average selling price of approximately $185,000/unit.

The broader highway guardrail market exceeded $7.26 billion in 2024 and is forecast to surpass $9.6 billion by 2031. China‘s roadside safety barriers construction market alone is projected to reach $2.63 billion by 2031, growing at a CAGR of 5.43%.

This growth is driven by continuous investment in road infrastructure, highway network expansion, and safety standard upgrades worldwide. Markets in Southeast Asia, the Middle East, Africa, and South America are expanding highway networks rapidly, driving procurement of both W-beam and thrie-beam forming equipment.

Applications

Highway guardrail systems – W-beam and three-beam profiles along expressways and national highways

Bridge safety barriers – Transition sections and terminals

Road median barriers – Central reservation protection

Tunnel and mountain road safety – Curved sections and challenging terrain

Infrastructure upgrade projects – “2-to-3” wave conversion replacing outdated barriers with higher-spec systems

Logistics parks and ring roads – Perimeter and internal road safety

Service & Support

20+ years of manufacturing experience – Proven track record in roll forming technology

Full compliance with international standards – AASHTO, EN 1317, GB/T

Customizable solutions – Tailored to your specific profile drawings and project requirements

Factory-direct pricing – No middleman, competitive quotes

Installation & commissioning – On-site setup and operator training

Global service network – Engineering team holds valid visas, ready to deploy worldwide for installation, commissioning, training, and technical support

Warranty – 1-year machine warranty

Lifetime technical support – Online technical support and spare parts availability

Lead time – Standard 80 days, negotiable

Why Choose Us

Over 20 years of manufacturing experience – Mature technology, reliable quality

Complete product range – 2-wave, 3-wave, 2-in-1 integrated, C/U posts, transition joints, and stamping equipment – one-stop supply

2-in-1 integrated machine – One machine, two profiles, quick changeover (<20 min), no duplicate investment

High precision – ±1 mm length tolerance, GCr15/Cr12MoV hardened rollers (HRC58-62), Φ76–Φ110 mm large shaft diameter

High speed – 5–20 m/min forming speed, 24-hour continuous production capability

Pre-punching/pre-cutting process – High efficiency, material savings, accurate hole positioning

Fully automatic – PLC control + touchscreen HMI, 1–2 operators only

International standards compliant – AASHTO M180, EN 1317, GB/T

Factory direct – No middleman, competitive pricing

Global service network – Engineers ready to travel worldwide

Contact us today for detailed specifications, reference videos, or a customized quotation based on your project requirements!

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.

Certificate Of Honor

News

The new generation of slot-type cable tray cold bending machine has been launched with great success.
10 Sep, 2026
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.
02 Sep, 2026
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.
28 Aug, 2026
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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