Roof Trapezoidal Sheet Making Machine Product Description
The Roof Trapezoidal Sheet Making Machine is a high-efficiency, specialized cold roll forming equipment, specifically designed to continuously and stably produce high-precision trapezoidal sheets for building roofs. It integrates full-automatic feeding, precise roll forming, accurate cutting, and orderly stacking into one integrated unit, realizing full-process automation with minimal manual intervention, which boosts production efficiency by up to 70% compared to semi-automatic models. As a core equipment in the construction and metal forming industries, it is mainly used for manufacturing roof trapezoidal sheets, widely applied in residential buildings, industrial warehouses, workshops, stadiums, and other construction projects, especially suitable for large-scale mass production of roof-specific trapezoidal sheets.
Equipped with an advanced PLC automatic control system featuring a user-friendly touchscreen interface, the machine allows operators to set roof trapezoidal sheet-specific parameters (including sheet length, forming speed, trapezoidal rib height, and sheet thickness) with one click, and the system will automatically complete the entire forming and cutting process. It can store 50+ sets of production recipes, enabling quick switching between different specifications of roof trapezoidal sheets without time-consuming reconfiguration. Combined with high-precision servo motors and automatic hydraulic cutting technology, the intelligent control system ensures the cutting length tolerance is strictly controlled within ±0.5mm, maintaining consistent profile dimensions, smooth edges free of burrs, and uniform trapezoidal shapes—effectively ensuring the tight overlap and water-tight performance required for roof applications.
The machine boasts a robust structural design optimized for long-term stable operation, specifically tailored to the processing characteristics and application requirements of roof trapezoidal sheets. Its frame is made of H-beam welded steel,经过 tempering treatment to enhance structural stability and load-bearing capacity, effectively avoiding deformation during high-speed continuous operation. The precision-machined forming rollers (core component of sheet forming) are crafted from 45# steel with chrome plating or D2 hardened steel, featuring a smooth and wear-resistant surface. With excellent wear resistance, the rollers can maintain stable forming precision for over 10 years even under high-speed continuous operation. The forming section is equipped with 12-24 sequential roller stations (depending on the complexity of the roof trapezoidal profile), which gradually bend the metal coil into the desired trapezoidal shape through incremental cold deformation, ensuring consistent profile quality and structural rigidity of each roof sheet.
The cold forming process effectively preserves the mechanical properties of the base metal, ensuring the final roof trapezoidal sheets have strong structural rigidity, excellent water drainage performance, reliable overlap tightness, and superior weather resistance—critical for roof applications to withstand rain, wind, and extreme temperatures. The machine is specially designed with an automatic tension control system for metal coils, which can adjust the feeding tension in real time to avoid coil deformation, ensuring the finished roof sheets have a smooth, uniform surface and stable dimensional accuracy. It is compatible with roof-specific materials, including color-coated steel (PPGI/PPGL) coils and galvanized steel coils, which are corrosion-resistant and durable, meeting the long-term use needs of building roofs.
Versatile and adaptable to diverse roof design needs, the Roof Trapezoidal Sheet Making Machine mainly processes color-coated steel (PPGI/PPGL) coils and galvanized steel coils, with optional compatibility with aluminum alloy coils for lightweight roof projects. It can handle material thickness ranging from 0.2-2.0mm, with a customizable roof trapezoidal sheet width of 300-1200mm and an adjustable trapezoidal rib height of 15-80mm—perfectly matching different roof slopes, load-bearing requirements, and architectural designs. It is ideal for producing lightweight, corrosion-resistant, and easy-to-install roof trapezoidal sheets, catering to the needs of residential, industrial, and public building roof projects.
With an adjustable automatic production speed of 10-60 m/min (depending on configuration), the machine enables continuous mass production, delivering an output capacity of 300-600 ㎡/h—making it perfectly suited for large-scale construction projects and prefabricated housing roof production lines. It adopts a low-noise design (below 78 db) and is equipped with full-length safety guards, emergency stop switches, and automatic fault alarm devices, ensuring safe and stable operation in industrial environments. Additionally, the machine complies with ISO and CE certifications, comes with a 12-month warranty, and provides global on-site installation, professional technical training, and comprehensive after-sales support, including spare parts supply and remote troubleshooting assistance for the control system and forming components.
Whether for small-scale workshops or large-scale manufacturing plants, the Roof Trapezoidal Sheet Making Machine offers a cost-effective, high-performance solution for roof trapezoidal sheet production. Its integration of full-process automation, high-precision forming, and roof-specific design helps enterprises significantly improve production efficiency, reduce labor costs and production errors, and enhance product quality—making it an indispensable equipment in the modern building roof processing and construction industries.
♦ COMPANY PROFILE:
Hebei Xinnuo Roll Forming Machine Co., Ltd., not only produce different types of professional roll forming machines, but also develop intelligent automatic roll forming production lines, C&Z shape purline machines, highway guardrail roll forming machine lines, sandwich panel production lines, decking forming machines, light keel machines, shutter slat door forming machines, downpipe machines, gutter machines, etc.
Advantages of Roll Forming A Metal Part
There are several advantages of using roll forming for your projects:
- The roll forming process allows operations such as punching, notching, and welding to be performed in-line. Labor cost and time for secondary operations are reduced or eliminated, reducing part costs.
- Roll form tooling allows for a high degree of flexibility. A single set of roll form tools will make almost any length of the same cross-section. Multiple sets of tools for varying length parts are not required.
- It can provide better dimensional control than other competing metal forming processes.
- Repeatability is inherent in the process, allowing easier assembly of roll formed parts into your finished product, and minimizing problems due to “standard” tolerance build up.
- Roll forming is typically a higher speed process.
- Roll forming offers customers a superior surface finish. This makes roll forming an excellent option for decorative stainless steel parts or for parts requiring a finish such as anodizing or powder coating. Also, texture or pattern can be rolled into the surface during forming.
- Roll forming utilizes material more efficiently than other competing processes.
- Roll formed shapes can be developed with thinner walls than competing processes
Roll forming is a continuous process which converts sheet metal into an engineered shape using consecutive sets of mated rolls, each of which makes only incremental changes in the form. The sum of these small changes in form is a complex profile.










