B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 33/00 (2006.01) B23K 13/00 (2006.01) B23K 20/00 (2006.01)
Patent
CA 2705339
The present invention concerns a method for forge welding of tubes, rods, bolts or other axial symmetrical profiles. According to the methods the profile ends are formed by plastic deformation and/or machine cutting processes, such that they obtain a reduced cross section/thickness, the profile ends are locally heated electromagnetically by induction and/or direct high frequency resistance heating and profile ends are then pressed together. The forming step comprises given one of the profile ends a double arched shape. Preferably the other profile end is given a convex shape.
L'invention concerne un procédé de soudage à la forge de tubes, de tiges, de boulons ou d'autres profilés présentant des axes symétriques. Selon ces procédés, on façonne les extrémités des profilés par déformation plastique et/ou découpage à la machine, de façon à obtenir une section transversale/épaisseur diminuée, on réchauffe localement lesdites extrémités par induction électromagnétique et/ou résistance continue haute fréquence, puis on exerce une pression sur lesdites extrémités afin de les accoupler. L'étape de façonnage consiste à conférer une double incurvation à l'une des extrémités des profilés et, de préférence, une forme convexe à l'autre extrémité.
Amr Engineering As
Kirby Eades Gale Baker
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