B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 33/00 (2006.01) B23K 26/00 (2006.01) B23K 26/24 (2006.01)
Patent
CA 2296753
The invention concerns a welding method wherein one first (5) sheet metal comprises in the proximity of the overlapping zone (6) rigidifying means (74) adapted to withstand the sheet metal bending along the overlapping zone. The method consists in placing in cantilever at least one region of the first sheet metal (5) in the overlapping zone (6). The rigidifying means are arranged in the proximity of said cantilever region. A mechanism for supporting a laser welding installation (2) is applied on another sheet metal (4) to maintain the metal sheets in contact at the overlapping zone (6). The metal sheets are welded along the overlapping zone using the welding installation. The invention is useful for transparently welding together railway car body external covering metal sheets.
The invention concerns a welding method wherein one first (5) sheet metal comprises in the proximity of the overlapping zone (6) rigidifying means (74) adapted to withstand the sheet metal bending along the overlapping zone. The method consists in placing in cantilever at Ieast one region of the first sheet metal (5) in the overlapping zone (6). The rigidifying means are arranged in the proximity of said cantilever region. A mechanism for supporting a laser welding installation (2) is applied on another sheet metal (4) to maintain the metal sheets in contact at the overlapping zone (6). The metal sheets are welded along the overlapping zone using the welding installation. The invention is useful for transparently welding together railway car body extemal covering metal sheets.
Dabezies Bernard
Delroise Pascal
Alstom Holdings
Robic
LandOfFree
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