Fracture resistant friction stir welding tool

Details Fracture resistant friction stir welding tool Fracture resistant friction stir welding tool

B - Operations, Transporting

23

K

B23K 20/12 (2006.01) B23K 9/32 (2006.01)

Patent

CA 2679493

Friction stir welding tool (10) to facilitate stress reduction within the tool that may include a body (20), a pin (30), a tension member (50), and an end assembly (60), the tension member (50) and end assembly (60) facilitating axial compression of the pin (30). The tension member (50) may be decoupled from the pin (30) and/or body (20) of the tool (10) via one or more decoupling members (62). The end assembly (60) may comprise spring members (64) to provide an axial force to the tension member (50). The pin (30) may include various features to facilitate stress reduction proximal the pin (30).

L'invention concerne un outil de soudage par friction-malaxage (10) pour faciliter la réduction de contraintes dans l'outil pouvant comprendre un corps (20), une tige (30), un élément de tension (50) et un ensemble d'extrémité (60), l'élément de tension (50) et l'ensemble d'extrémité (60) facilitant la compression axiale de la tige (30). L'élément de tension (50) peut être découplé de la tige (60) et/ou du corps (20) de l'outil (10) par le biais d'un ou plusieurs éléments de découplage (62). L'ensemble d'extrémité (60) peut comprendre des éléments à ressort (64) pour fournir une force axiale à l'élément de tension (50). La tige (30) peut comprendre diverses caractéristiques pour faciliter la réduction de contrainte à proximité de la tige (30).

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