Orbital friction welding method and device for carrying out...

B - Operations – Transporting – 23 – K

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B23K 20/10 (2006.01) B23K 20/12 (2006.01) B29C 65/06 (2006.01) B29C 65/08 (2006.01)

Patent

CA 2533616

The invention relates to an orbital friction welding method and a friction welding device, for welding workpieces (16, 18) by means of friction welding units, wherein the workpieces (16, 18) are pressed against each other in the contact plane (F) during the application of the oscillation energy. To this effect, n>1 friction welding heads [I, II, III, IV or I', II', III', IV' or I'', II'', III'', IV''] are mounted, in a stationary manner, at least on one side of the contact plane (F) in an orbital plane, in the area of the workpieces (16, 18), so that the n>1 friction welding heads, respectively facing one side, are oscillated with the same friction frequency, the same amplitude and the same preset phase position.

L'invention concerne un procédé de soudage par friction orbital et un dispositif de soudage par friction orbital destinés au soudage de pièces (16, 18) à l'aide d'unités de soudage par friction, les pièces (16, 18) étant comprimées l'une contre l'autre lors de l'application de l'énergie d'oscillation dans le plan d'assemblage (F). Au moins un côté du plan d'assemblage (F) comporte n>1 têtes de soudage par friction [I, II, III, IV ou I?¿, II?¿, III? ¿, IV? ¿ ou I? ¿, II?¿, III?¿, IV''] disposées fixement dans un plan orbital au niveau des pièces (16, 18), de telle manière que les n>1 têtes de soudage par friction, respectivement orientées vers un côté, sont mises en oscillation avec les mêmes fréquence de friction, amplitude et position de phase prédéfinie.

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