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Cable Tray Roll Forming Machine Series

Integrated Ladder-Type Cable Tray Roll Forming Machine

The Integrated Ladder-Type Cable Tray Roll Forming Machine is designed to produce integrated ladder-type cable tray profiles. It utilizes a series of precision rollers for continuous forming, enabling the integrated fabrication of side rails and structural components. The equipment can be equipped with automatic punching, cutting, and material collection systems to enhance production efficiency and dimensional consistency, making it suitable for heavy-duty cable systems, power engineering projects, and large-scale industrial buildings.

Equipment Introduction

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Process Flow

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I. Equipment Introduction

The Integrated Ladder-Type Cable Tray Roll Forming Machine is an automated cold-roll forming system designed specifically for producing integrated ladder-type cable trays (also known as unitary ladder trays). Utilizing a continuous cold-roll forming process, the machine transforms steel strip coils into finished integrated ladder trays in a single pass, encompassing uncoiling, leveling, punching, forming, and cutting. The entire line features fully automatic PLC control and is equipped with a modular, adjustable forming unit; a single set of rollers accommodates multiple specifications, with width and height adjustments performed automatically by motors, enabling rapid profile changes via touchscreen parameter input.

The side rails and rungs of the integrated ladder tray are formed from a single sheet of material through a punching process, eliminating the need for welding. The rungs feature channel-shaped stiffening ribs and a trapezoidal cross-section, significantly enhancing the tray's overall load-bearing capacity and resistance to deformation. The system is compatible with materials such as galvanized steel strip, cold-rolled sheet, and hot-rolled sheet, supporting material thicknesses ranging from 1.0 mm to 2.0 mm.

Compared to traditional assembled or welded cable trays, the integrated ladder-type tray offers superior structural integrity and product consistency, featuring no assembly seams or weld points. Various accessories—such as horizontal tees, vertical upward bends, and vertical downward bends—can also be formed as single, integrated units, eliminating the need for on-site cutting or welding.


II. Core Advantages and Selling Points

1. Integrated Molding: Stronger and More Durable Structure
Side rails and rungs are stamped from single sheets of material, eliminating the need for welding.
With no seams or weld points, welding stress is completely eliminated, removing risks such as rust or cracking at weld joints.
Rungs feature channel-shaped reinforcing ribs (trapezoidal cross-section in the middle), significantly enhancing load-bearing capacity and deformation resistance.
Resistant to issues like side rail bending or joint loosening during long-term use.

2. Superior Corrosion Resistance and Long Service Life
The weld-free process avoids stress impacts on the profile and eliminates weak points in corrosion protection typically found at weld sites.
The integrated sealed structure is dustproof and waterproof, maximizing protection against cable aging.
Ideally suited for highly corrosive environments, such as chemical industrial parks and humid coastal areas.

3. Easy Installation: Significant Labor and Time Savings
Integrated molding eliminates the need for on-site assembly, greatly boosting installation efficiency.
Accessories like horizontal tees and vertical bends are integrally formed—requiring no cutting or welding—saving substantial time.
Snap-fit ​​connections ensure a seamless fit between the cover and the trough body, making installation quick and convenient.
The integrated structure facilitates rapid troubleshooting during maintenance, eliminating the need to dismantle multiple components.

4. Versatile and Flexible Production
A single set of rollers covers multiple specifications; changing product types requires no mold replacement—only motor adjustments to the opening width and roller positioning.
Capable of producing ladder-type cable trays in various widths and heights to meet diverse needs.
Flexible switching and rapid order response make it ideal for high-mix, low-volume production requirements.

5. High Efficiency, Stability, and Leading Production Capacity
Main unit forming speed: 10–15 meters/minute.
Production line speed: 4–8 meters/minute.
Servo-driven feeding ensures precise positioning and minimizes material waste.
Gearbox transmission with independent drive units for each stand ensures stable, high-intensity operation over long periods.

6. Intelligent Control and Simple Operation
Fully automated PLC control with a touchscreen HMI makes parameter setting intuitive and convenient.
Switching specifications requires only numerical input; adjustments are performed automatically.
Significantly lowers operator skill requirements.


III. Application Areas

Thanks to their comprehensive advantages—such as high load-bearing capacity, corrosion resistance, excellent heat dissipation, and rapid installation—integrated trapezoidal cable trays are widely used in the following sectors:

Power Systems: Cable laying and support systems for power plants, substations, and power transmission and distribution projects; the high load-bearing capacity ensures the safe installation of large-diameter cables.

Construction Projects: Power and low-voltage cabling systems for commercial complexes, office buildings, hospitals, schools, etc.; features an aesthetically pleasing structure and flexible configuration.

Industrial Facilities: Management of power and control cables in various factories and mines; particularly suitable for laying high- and low-voltage power cables.

Rail Transit: Cable support and protection for high-speed rail and subway stations and tunnels.

New Energy Projects: Power transmission and cabling for photovoltaic power plants and wind farms; especially applicable to scenarios requiring high stability and vibration resistance.

Special Environments: Locations with high corrosivity or strict protection requirements, such as chemical industrial parks and humid coastal areas; the seamless, joint-free structure effectively minimizes the risk of corrosion.


IV. Production Process

Uncoiling → Leveling/Flattening → Servo Feeding/Punching → Guided Infeed → Roll Forming → Cut-to-Length → Finished Product Discharge

Process Step | Description
Uncoiling | Hydraulic uncoiling to support and feed the steel coil
Leveling/Flattening | Multi-roller leveling to eliminate internal stress and ensure forming precision
Servo Feeding & Punching | Precise positioning; punches bottom stiffening ribs and various hole patterns
Guided Infeed | Automatic material guiding and alignment; accommodates varying widths
Roll Forming | Modular, adjustable forming unit; one set of rollers covers multiple specifications
Cut-to-Length | Automatic length measurement and hydraulic cutting; ensures clean, smooth edges
Finished Product Discharge | Output of finished products; smooth, continuous line operation
Process Description
Uncoiling Hydraulic uncoiling to support and feed the steel coil
Leveling: Multi-roller leveling to eliminate internal stress and ensure forming precision
Servo Feeding & Punching: Precise positioning; punching of bottom stiffening ribs and various hole patterns
Guided Feeding: Automatic material guiding and alignment adjustment for different widths
Roll Forming: Modular, adjustable forming unit; one set of rollers accommodates multiple specifications
Cut-to-Length: Automatic length measurement and hydraulic cutting with clean edges
Finished Product Discharge: Output of finished products; smooth, continuous line operation


V. Service & Support

Solution Design: Personalized equipment selection and production line layout based on customer drawings and capacity requirements.

Custom Manufacturing: Support for non-standard customization; full control over the process from roll design to complete line manufacturing.

Installation & Commissioning: On-site installation, commissioning, and operator training provided by engineers to ensure rapid production startup.

After-Sales Support: Long-term technical consultation and spare parts supply; engineers hold valid visas and are available for on-site service worldwide at any time.


VI. Why Choose Us

Nearly 20 years of manufacturing experience: Mature technology, refined processes, and reliable quality

Direct manufacturer: No middlemen, offering excellent value for money

Strong custom engineering capabilities: Ability to design various complex cold-roll forming lines to meet specific requirements

Global service network: Engineers hold all necessary visas, ensuring rapid response

Market-proven: Products exported to numerous countries and regions

Item Specification
Height specifications Adjustable (75mm/90mm)
Width specification range Adjustable (200/300/500/600mm)
Forming machine guide/feed rack type Side roller type (automatically traverses laterally based on the specific profile size being produced)
Forming machine type Cast-iron arch frame with chain drive (automatic lateral traverse)
Main shaft material 40Cr, quenched and tempered (HB220-260)
Main shaft diameter Φ80mm
Forming machine motor power 30kW (two 15kW motors)
Lateral traverse motors Two 2.2kW motors + one 3kW motor
Forming machine line speed 2–12 m/min (excluding punching and cutting)
Number of forming stations 28
Roller material Cr12MoV, quenched (HRC58-62)
Cutting method Hydraulic 45-degree post-cut
Cutting blades 7 sets (stepped type: 300/500/600; channel type: 200/300/500/600)
Cutting blade material Cr12MoV, quenched (HRC58-62)
Hydraulic system power 11kW (with air cooling)

Cable Tray Cover Specifications
Frame High-quality structural steel, welded and subjected to aging treatment
Feeding guide method Side roller type
Forming machine structure Cast iron arch-frame type (automatic lateral traverse)
Roller inner diameter φ80 mm
Shaft material 40Cr, quenched and tempered (HB220-260)
Forming stations 6 stations (including the first pinch-feed station)
Roller material Cr12MoV, quenched (HRC58-62)
Main motor power 7.5 kW
Lateral traverse motor power 1.5 kW
Cutting method Hydraulic pre-cutting
Cutting width ≤1000 mm
Cutting thickness ≤2.5 mm
Cutting blade material Cr12MoV, quenched (HRC58-62)
Length accuracy ±1.0 mm (encoder counting, PLC-controlled)
Hydraulic system power 11 kW

NXwqf

5T Hydraulic Uncoiler → 7-Roller Leveler → 3-Station Hydraulic Press (Servo-fed Forming) → Guide-assisted Infeed → 2-Roller Pinch Feed → Hydraulic Pre-punching → Hydraulic Pre-cutting → Roll Forming → Support Table Outfeed

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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.

Certificate Of Honor
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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