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Types and Characteristics of High Frequency Welding Fin

Characteristics of high frequency welding fins

1.due to welding speed, welding parts from the cold strong, it is not only heat-affected zone is small, but also less prone to oxidation, so the weld is very good organization and performance.
2.anti-corrosion properties, wear resistance, low contact resistance, high stability, anti-fouling ability.
3.heat transfer area.

High frequency welding types
High-frequency welding and high-frequency high-frequency induction welding resistance welding two.

①high-frequency resistance welding: roller or contact with the electrode as a high-frequency current into the workpiece for continuous pipe longitudinal seam butt welding and spiral lap welding, fin finned tube and spiral fin heat exchanger welding, Weldable pipe diameter of 1200 mm, wall thickness of 16 mm, I-beam thickness of the abdomen can be welded 9.5 mm, high productivity.

②high-frequency induction welding: induction coil heating parts, welding diameter of 9 mm for small diameter pipe and wall thickness of 1 mm thin-walled tube. Commonly used in small and medium diameter steel pipe and the longitudinal seam welding of brass can also be used for girth welding, but the power loss than high-frequency resistance welding. The main parameters affecting the quality of high-frequency welding is the frequency of high-frequency power, power, workpiece forming angle, extrusion pressure, electrode (or induction coil) and the distance between the squeeze roller and welding speed. Major equipment has high-frequency power supply, the workpiece forming equipment and extrusion machinery. High-frequency welding quality and stability, high productivity, low cost. Applicable to high efficiency automatic production line, is the production of advanced methods of sewing.

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Address: No.62, Luou Road, Huidai Town, Wuxi City, Jiangsu Province
Tel: +86-136-0617-0536
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