Making round ventilation ducts requires a series of professional machine, which play a key role in material processing, forming, welding and surface treatment. Here are the main pieces of machine needed to make round ventilation ducts: 1.Spiral duct machine is a machine that produces spiral ducts. Spiral ducts, also known as spiral seam thin-walled tubes, form spiral ducts through continuous winding and welding. They are widely used in many fields and places. For a detailed introduction, please view the spiral duct machine blog introduction. 2.CNC Plasma cutting machine is a processing method that uses the heat of high-temperature plasma arc to partially or partially melt (and evaporate) the metal at the incision of the workpiece, and uses the momentum of high-speed plasma to remove the molten metal to form the incision. Also，for a detailed introduction, please view the CNC Plasma cutting machine blog introduction. 3.Electric rolling machine: used to roll the stamped plate into a cylindrical shape to form the main part of the air duct. The selection and use of the plate rolling machine has an important impact on the roundness and diameter accuracy of the air duct. 4.Round duct welding machine used to weld together stamped and rolled plates to form a complete air duct structure. Depending on the material, different types of welding machines may be required, such as argon arc welding machines, stainless steel welding machines, etc. 5.Elbow Making Machine, also known as round pipe elbow Making machine, is a special machine for processing metal sheet circular pipes and round pipe elbows (elbow bend) butt jointing. 6.Electric shearing machine: Uses a press to cut metal plates. It is one of the indispensable machine in the process of making round ventilation ducts. The electric shearing machine has the characteristics of fast cutting speed and high precision, and can meet the cutting needs of metal plates of different specifications and thicknesses. 7.Folding machine: Used to bend metal plates into the required shape. The folding machine can ensure that the corners of the air ducts are flat and have good sealing properties. 8.Rotary Beading Machine is a piece of machine widely used in the metal processing industry. It is mainly used for processing operations such as beading, threading, and flanging of metal sheets or pipes. 9.Horizontal Flanging Forming Machine is a piece of machine specially used to process metal sheets. It uses a specific process to process the sheet into a shape with curved edges, thereby enhancing the fixing and installation performance of the sheet. 10.Steel Angle Rolling Machine is a mechanical equipment specially used to bend angle iron and other profiles into round or arc shapes. This equipment is widely used in construction, metal processing, manufacturing and other fields. 11.Angle Steel Flange Production Line is a mechanical equipment production line specially used for processing angle steel flanges. It has the characteristics of high efficiency, precision and high degree of automation. It should be noted that the above-mentioned machines are not all machines for making round ventilation ducts. The machine needs to be specifically selected based on production scale, product specifications, production technology and other factors. At the same time, when using these machines, operating procedures and safety must be strictly observed to ensure safety and stability during the production process.

As an indispensable and important component in building ventilation systems, air conditioning systems and industrial exhaust systems, air duct processing products are widely used and have broad prospects. The following will elaborate on the application of air duct processing products and their future development prospects from many aspects. 1. Application of air duct processing products （1） Building ventilation and air conditioning system In the construction sector, duct processing products are mainly used to construct ventilation and air conditioning systems. Through a properly designed and processed air duct system, indoor air quality can be effectively adjusted to ensure the comfort of living and working. Specifically, the air duct system can bring fresh outdoor air into the room and discharge the dirty indoor air to achieve effective air circulation. In the air conditioning system, the air ducts can also be attached with insulation materials to ensure the effective delivery of cold air or heating while improving the energy efficiency of the system. （2） Industrial exhaust system Industrial production processes often produce large amounts of waste gas, smoke and other pollutants, posing a threat to the production environment and employee health. Air duct processing products design and produce exhaust systems to effectively discharge these pollutants and protect the production environment and employee health. Especially in heavy industries such as chemical industry, metallurgy, and electric power, the application of air duct processing products is more extensive and important. （3） Application in special environment In places with extremely high environmental requirements such as hospital operating rooms and clean workshops, air duct processing products need to use special materials and processes to ensure the cleanliness and sterility of air circulation. These special air ducts not only require materials that are corrosion-resistant and easy to clean, but also require high sealing and air tightness to ensure indoor air cleanliness. （4）Furniture manufacturing industry During the furniture manufacturing process, especially wood processing and painting operations, a large amount of moisture and harmful gases are generated. Air duct processing products can provide customized ventilation management solutions for furniture factories to eliminate harmful gases and improve air quality, thus ensuring the health of employees and the quality of the production environment. Through properly designed and constructed air duct systems, furniture factories can significantly improve the production environment and enhance product quality. 2. Prospects of air duct processing products （1） Technological progress promotes industrial upgrading With the continuous development of science and technology, air duct processing technology is also constantly improving. The application of advanced equipment such as CNC shearing machines, bending machines, and laser cutting machines has greatly improved processing accuracy and efficiency. At the same time, highly skilled welders use TIG or MIG welding technology to seamlessly connect various components to ensure the air tightness and durability of the air duct. In the future, the air duct processing industry will pay more attention to technological innovation and application, and promote industrial upgrading and high-quality development. （2）Market demand continues to grow With the acceleration of urbanization and people's higher requirements for quality of life, the market demand for building ventilation and air conditioning systems continues to grow. At the same time, the rapid development of industrial production has also led to an increase in the demand for exhaust systems. In addition, as the concept of green building becomes more and more popular, the application prospects of air duct processing products in the field of energy conservation and environmental protection are also very broad. （3）Customized services have become a trend With the intensification of market competition and the diversification of customer needs, customized services have become an important trend in the air duct processing industry. Air duct processing factories need to provide customized ventilation management solutions based on customers' specific needs and process requirements. This includes selecting appropriate air duct materials, designing a reasonable duct layout, formulating installation and commissioning plans, etc. By providing customized services, air duct processing factories can better meet customer needs and enhance market competitiveness. （4）Intelligent development leads the future In the future, the air duct processing industry will pay more attention to intelligent development. By introducing advanced technologies such as intelligent processing equipment and intelligent control systems, we can realize the automation, intelligence and refinement of air duct processing. This can not only improve production efficiency and product quality, but also reduce labor costs and energy consumption, pushing the industry to develop to a higher level. To sum up, air duct processing products are an indispensable and important component of building ventilation systems, air conditioning systems and industrial exhaust systems. They are widely used and have broad prospects. With the continuous advancement of technology and the continued growth of the market, the air duct processing industry will usher in better development prospects.