B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 20/12 (2006.01) B23K 31/02 (2006.01)
Patent
CA 2728256
Friction stir welding (FSW) processes, systems and the resulting friction stir welded components are disclosed whereby first and second workpieces are welded to one another using a first workpiece having mutually orthogonal structural components and a junction region therebetween which defines a bearing surface of predetermined geometry. A shoulder of a FSW tool may be brought into bearing contact with the bearing surface so that a pin extending from the shoulder of the FSW tool may be advanced into and through the one structural component of the first workpiece at an angle relative thereto so as to thereby form a friction stir weld region between the first and second workpieces. Some preferred embodiments will provide a bearing surface which defines an arcuately concave geometry, in which case the shoulder of the FSW tool defines an arcuately convex geometry conformably mateable with the bearing surface. According to other preferred embodiments, the bearing surface defines an arcuately convex geometry, in which case the shoulder of the FSW tool defines an arcuately concave geometry conformably mateable with the bearing surface. According to yet other preferred embodiments, the bearing surface and the shoulder of the FSW tool are each planar.
L'invention concerne des procédés et systèmes de soudage par friction-malaxage (FSW) ainsi que les composants soudés par friction-malaxage résultants, des première et seconde pièces étant soudées l'une à l'autre au moyen d'une première pièce présentant des composants structurels mutuellement orthogonaux et une zone de jonction entre ceux-ci définissant une surface d'appui d'une géométrie prédéterminée. Un épaulement d'un outil FSW peut être amené en contact d'appui avec la surface d'appui de sorte qu'une broche s'étendant depuis l'épaulement de l'outil FSW puisse être avancée à travers le composant structurel de la première pièce et à travers celui-ci, suivant un angle par rapport à celui-ci, de manière à former ainsi une zone soudée par friction-malaxage entre les première et seconde pièces.
Cruz Marcio
Ferreira Fernandez Fernando
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Embraer - Empresa Brasileira de Aeronautica S.a.
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