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In the industrial sector, the round pipe welded making machine is a crucial piece of equipment for the production of high-quality, durable pipes used in a wide range of industries, including construction, automotive, and infrastructure.
Overview of Round Pipe Welded Making Machines
A round pipe welded making machine is designed to transform raw materials, typically steel or other metals, into perfectly formed round pipes through a series of processes including forming, welding, and cutting. These machines offer precise, efficient, and consistent production, making them essential for large-scale manufacturing.
How Round Pipe Welded Making Machines Work
1. Raw Material Feeding
The process begins with feeding steel strips or metal sheets into the machine. These strips are uncoiled, straightened, and prepared for the pipe-forming process.
2. Pipe Forming
Once the raw material is straightened, it moves through a set of rollers that gradually bend the flat strip into a circular shape. The number of rollers and the degree of adjustment can be customized depending on the pipe diameter.
3. Welding Process
The next step is welding, where the edges of the formed tube are fused together to create a seamless joint. The two primary methods of welding used in these machines are:
High-Frequency Welding (HFW): This method uses electric currents to heat and weld the edges of the metal strip, forming a strong bond. It is commonly used for thin-walled pipes.
Electric Resistance Welding (ERW): Similar to HFW, ERW utilizes electric resistance and pressure to create a solid weld. This method is often used for thicker pipes.
4. Sizing and Shaping
After welding, the pipe passes through another set of rollers, which ensure the pipe maintains its round shape and meets the specified diameter. This process is known as sizing.
5. Cutting and Finishing
Once the pipe reaches the desired length, it is cut using either a flying saw or cold saw. The machine then performs finishing processes such as deburring, where sharp edges are removed to ensure smooth and safe pipes.
Types of Round Pipe Welded Making Machines
1. ERW (Electric Resistance Welding) Pipe Making Machine
ERW machines are the most common type of pipe-making machine, suitable for producing pipes used in construction, automotive components, and water transmission systems. They are ideal for medium to large-diameter pipes.
2. Spiral Welded Pipe Making Machine
This machine forms pipes through a spiral welding process, making it suitable for producing larger-diameter pipes used in oil and gas transportation or structural applications.
3. Stainless Steel Welded Pipe Making Machine
Designed specifically for stainless steel pipes, these machines are used in industries that require corrosion-resistant and high-strength pipes, such as the chemical and food processing industries.
4. High-Frequency Welding (HFW) Machine
HFW machines are used for producing thin-walled pipes where a high degree of precision is required. This type of machine is commonly used in applications like furniture, appliances, and bicycles.