Tube finning machine and method of use

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 53/08 (2006.01) B23P 19/02 (2006.01)

Patent

CA 2424957

This invention relates to a tube finning machine (10), and in particular to a machine capable of fitting several fins (26) to one or more tubes (26) at the same time, the assembled finned tube being suitable for heat exchange applications. According to one aspect of the invention there is provided a tube finning machine for mounting extended surface members (96) upon one or more tubes, the machine having a base (10), carrier means movable relative to the base , drive means (20) for moving the carrier means (18) in a longitudinal direction, and cartridge means (24) for locating a plurality of extended surface members (26), the cartridge means having respective support means (30) for each extended surface member, and at least some of the support means being movable relative to the cartridge. There is also provided a method of using a machine as herein defined for finning a tube.

L'invention concerne une machine (10) permettant de fabriquer des tubes à ailettes et en particulier une machine capable d'adapter simultanément plusieurs ailettes (26) dans un ou plusieurs tubes (26). Le tube à ailettes assemblé convient pour des applications d'échange de chaleur. Un premier aspect de l'invention concerne une machine à fabriquer des tubes à ailettes permettant de monter des éléments (96) à surface étendue sur un ou plusieurs tubes. Cette machine comprend une base (10), des moyens de transport pouvant se déplacer par rapport à la base, des moyens (20) d'entraînement permettant de déplacer les moyens (18) de transport dans une direction longitudinale, et des moyens (24) en forme de cartouche servant à positionner une pluralité d'éléments (26) à surface étendue. Cette cartouche (24) comprend des moyens (30) de support respectifs pour chaque élément à surface étendue, et au moins quelques uns de ces moyens de support peuvent se déplacer relativement à la cartouche. L'invention concerne également un procédé consistant à utiliser une telle machine pour monter des ailettes dans un tube.

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