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  • Existing technologies for pipe finning

    The work is devoted to the problem of production of heat exchangers of the "pipe-edge"type. The task is relevant, because today a large number of companies produces and repairs finned heat exchangers. A review of the existing methods of finning, among which, the most effective at the moment is considered to be high-frequency current finning. Considered and analyzed the advantages and disadvantages of each method of industrial finning tubes.

    Keywords: heat exchanger, finning, cross-screw rolling, contact welding, arc welding, high frequency currents