As urbanization accelerates, the demand for streetlights—vital infrastructure in urban areas—continues to grow. Streetlight pole production lines, characterized by large-scale, multi-variety, and multi-process manufacturing, have been transformed by technological innovation. These advancements push the industry toward intelligent, efficient, and high-end manufacturing processes, enhancing both product quality and production speed.
Precision Shearing in Steel Plate Pre-treatment
In the initial stages of streetlight pole manufacturing, the steel plate oblique shearing production line plays a critical role. It shears long plates (up to 12 meters) and processes steel and stainless steel plates ranging from 1-8 mm in thickness. The line utilizes a rolling shearing principle, ensuring precise, high-speed cuts with smooth, non-deformed edges that meet the varied needs of light pole production.
One major innovation is the system’s ability to eliminate marking when shearing trapezoidal plates. The hydraulic cylinder presses the plate onto a traveling device, while a rotating disc cutter precisely shears the plate as the device moves. This advancement boosts precision and improves material handling efficiency during early production, increasing overall productivity.
Dual-Machine Linkage Bending for Light Poles
Next, the dual-machine linkage bending system shapes flat steel plates into conical light poles. This system features two 450-ton bending machines that operate synchronously. It can process steel plates up to 12mm thick and handle worktable lengths of 2*7500mm, enabling the production of light poles up to 15 meters long.
During operation, hydraulic cylinders press the workpiece between upper and lower dies. When the dies make contact, the system pressurizes the steel plate, shaping it into the desired form. This system is highly versatile, producing not only streetlight poles but also flagpoles, high-mast lights, and other similar products, demonstrating its broad applicability.
Automation in Light Pole Welding
Welding plays a crucial role in the production of light poles, and automation technology is now replacing traditional methods. The ZHM320 automatic submerged arc welding production line streamlines welding, achieving high speeds (2.5 m/min), clean and smooth welds, and eliminating pollution and light emission. It also incorporates automatic flux recovery, increasing efficiency and lowering costs.
In addition, laser welding technology has revolutionized the welding process for streetlight poles. The fully automated laser welding system handles carbon steel and stainless steel poles (3-6mm thick) with a penetration depth exceeding 85%. The system creates smooth, defect-free welds without post-processing. It also features advanced functions such as automated feeding, pressure-adaptive tooling, and a laser welding head that adjusts to track the weld seam, ensuring precision and consistent quality.
The Future of Streetlight Pole Production
As digital technology continues to evolve, streetlight pole production lines move toward greater efficiency, precision, and environmental sustainability. Innovations at each production stage—from steel plate shearing to final product assembly—are transforming traditional methods. These advancements guarantee high-quality, reliable streetlighting systems that meet the demands of modern cities.
Looking ahead, breakthroughs in laser welding, CNC forming, and other technologies will further enhance manufacturing processes. These innovations will not only improve production efficiency but also ensure the creation of superior streetlight poles, strengthening urban infrastructure.
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