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Manufacturing principle of fin tube

The smooth tube is lined with a mandrel, driven by the rotation of the roller blade, and the fins are processed on the outer surface of the seamless steel pipe through the hole cavity composed of the rolling groove and the core head. The finned tube produced by this method has high heat transfer efficiency because the base tube and the outer fin are an organic whole, so there is no contact heat resistance loss. This kind of finned tube is very popular. Compared with the welding process, the three roll cross rolling production line has the advantages of high production efficiency, low consumption of raw materials and high heat transfer rate of finned tube. Three roll cross rolling integral spiral finned tube will be widely used in the future.
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