on-line Extruded tube Eddy current flaw detector manufacturers use hot extrusion precision aluminum tubes, which are widely used in automobile cooling systems, household appliances, industrial refrigeration equipment, seawater desalination and other industries due to their excellent performance, easy forming and processing, and low cost.
At present, there are two methods for precision aluminum tube manufacturing technology, the traditional cold drawing method of online extrusion tube eddy current flaw detector manufacturers and the continuous hot extrusion plus continuous disc drawing method. Due to manufacturing technology and quality reasons, the traditional cold drawing method has low production efficiency and poor surface quality, while the disk drawing technology is an advanced manufacturing technology with high production efficiency, high yield and low labor costs.
Due to the cost and manufacturing technology, many domestic companies use Kangfeng continuous extrusion machine to manufacture precision coiled aluminum tubes. The manufacturing technology is to use the discoid aluminum rod, through the Kangfeng continuous extruder, to directly extrude to obtain the coil, and then through the continuous coiling to obtain the precision coiling aluminum tube. The aluminum rod is obtained by upward drawing or binding process. Kangfeng continuous extrusion does not require pre heating, but directly extrudes aluminum rods into required aluminum coils, with low cost, high production efficiency, high yield and almost no process waste. According to statistics, nearly 200 Kangfeng extrusion production lines have been introduced in China in recent years, and hundreds of thousands of tons of precision aluminum tubes are put on the market every year.
Online of upper comparison X Extruded tube The manufacturing technology is to use a large tonnage hot extrusion machine, which is obtained through the hot extrusion process. This manufacturing process has very high requirements for smelting and casting technology, mold technology, extrusion equipment and extrusion technology, and the equipment investment is large. The oxide layer on the surface of the cast rod needs to be removed during the extrusion process, and the yield rate is lower than that of Kangfeng continuous extrusion. However, with the breakthrough of relevant technologies and the improvement of production efficiency in recent years, hot extrusion production lines have been continuously introduced in China. According to preliminary statistics, up to now, more than 10 hot extrusion production lines have been introduced in China. On the whole, it is the development trend of precision aluminum tube manufacturing in the future.
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