B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 20/12 (2006.01) B29C 65/06 (2006.01)
Patent
CA 2182719
An improved method of friction stir welding is based on enhanced flow of plaslicised material both perpendicularly and vertically to the longitudinal extension of the adjacent assembled members by exposing the created plasticised material to a perpendicular pressure along the surface of the members and causing simultaneous material flow along the probe pin in the vertical direction allowing the plasticised material to solidify behind the probe. A non-consumable probe (1) is provided comprising a concave bottom part (23) with an interchangeable pin (24) having surface of threaded configuration and in a preferred embodiment comprising two or more laterally protruding blades.
Procédé perfectionné de soudage par friction à mouvement cyclique, assurant un écoulement amélioré de la matière malléable à la fois dans un sens perpendiculaire et dans un sens vertical par rapport à l'axe longitudinal des éléments contigus à assembler. A cette fin, on soumet la matière malléable ainsi créée à une pression perpendiculaire le long de la surface des éléments, et on met la matière en écoulement simultané dans le sens vertical le long de la broche de la pointe, ce qui permet à la matière malléable de se solidifier derrière la pointe. On a prévu une pointe non fusible (1) comportant une partie inférieure concave (23) munie d'une broche interchangeable (24) présentant une surface filetée et comportant, selon le mode préféré de réalisation, au moins deux ailettes saillantes latérales.
Midling Ole Terje
Morley Edward James
Sandvik Anders
Borden Ladner Gervais Llp
The Welding Institute
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