Friction stir welding as a rivet replacement technology

Details Friction stir welding as a rivet replacement technology Friction stir welding as a rivet replacement technology

B - Operations, Transporting

23

K

B23K 20/12 (2006.01)

Patent

CA 2383674

The present invention provides an improved method and apparatus for joining aluminum alloy panels (29, 29)(e.g. 2090-T83 aluminum lithium alloy). The method preliminarily positions two panels (28, 29) next to each other so that a stringer panel (28) overlaps a skin panel (29). A friction stir weld pin tool (10) penetrates through one panel (28) and at least partially into another panel (29). The panel material around the pin tool (10) is frictionally heated.

Cette invention se rapporte à un procédé et un appareil améliorés servant à assembler des panneaux en alliage d'aluminium (29, 29) (par exemple en aluminium-lithium 2090-T83). Ce procédé consiste à placer d'abord deux panneaux (28, 29) l'un contre l'autre, pour qu'un panneau de traverse chevauche un panneau de revêtement (29). Un outil à broche de soudage à agitation-friction (10) pénètre dans l'un des panneaux (28) et au moins partiellement dans l'autre panneau (29). Le matériau des panneaux autour de l'outil à broche (10) est chauffé par friction.

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