Welded ladder-type cable tray cold bending machine-Wuxi Yanwu Xinhui Technology Co., Ltd.

Welded ladder-type cable tray cold bending machine

The cold bending machine for welded ladder-type cable trays is primarily used to produce profiles for ladder-type cable trays that require subsequent welding and assembly. The equipment performs high-precision cold roll forming on critical profiles—such as side rails and structural reinforcements—and can be integrated with an automated welding system to form a complete production line. It is ideal for high-volume cable tray manufacturers, helping to enhance product standardization and production efficiency.

Cold Bending Machine for Welded Ladder-Type Cable Trays — Professional Manufacturer, High Efficiency & Stability, Flexible Customization

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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Side Rail
Main forming machine motor power	15 kW × 1 unit (K-series gear reducer)
Forming line speed	2–12 m/min (actual production speed depends on the punching speed)
Number of forming stations	12
Shaft material	40Cr, quenched and tempered (HB 220–260)
Shaft diameter	Φ70 mm
Roll forming tooling	1 set
Roller material	Cr12MoV, quenched (HRC 58–62)
Roller machining method	CNC turning, ensuring control over circular runout and radial runout.
Spacers	To minimize runout at each station, spacers are machined from thick-walled tubing to ensure geometric tolerances and maximize the contact surface area with the rollers; the inner bore features a clearance fit with the shaft.
Safety guard	Protective cover installed on the drive side.

Ladder Rung
Main forming machine motor power	11 kW × 1 unit (K-series gear reducer)
Line speed	2–12 m/min (actual production speed depends on the punching speed)
Number of forming stations	8 stations plus a set of auxiliary rollers
Shaft material	40Cr, quenched and tempered (HB 220–260)
Shaft diameter	Φ60 mm
Roll forming tooling	1 set
Roller material	Cr12MoV, quenched (HRC 58–62)
Roller machining method	CNC turning to ensure precision regarding circular runout and radial runout.
Spacers	To minimize runout at each station, spacers are machined from thick-walled tubing to ensure geometric tolerances and maximize contact area with the rollers; the inner bore features a clearance fit with the shaft.
Safety guard	Protective cover installed on the drive side.