Importance

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Abstract

A method for induction bend forming of a compression-resistant pipe (1) having a large wall thickness and a large diameter, in particular, for use in power plants and pipelines, comprises:

horizontal placement of the unprocessed pipe (1);feeding the pipe (1) to the passage of a front pipe section through an annular inductor (20) of an electrical induction unit;clamping the front pipe section in a bending lock (31) that is mounted on a bending arm (30), which is pivotable around a vertical axis of rotation (32) arranged laterally to the pipe; current supply to the induction unit for heating a pipe section; anddeflecting the bending arm (30) by longitudinal feeding of the pipe (1) until the completion of the pipe bend (3).

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First Claim