Assembly method using plate riveting

G - Physics – 05 – B

Patent

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G05B 19/416 (2006.01)

Patent

CA 2647156

The invention concerns an assembly method using plate riveting including a step of drilling a hole through the plates followed by a step of placing a rivet in the drilled hole, the hole drilling step being performed by delivering a set feed rate of a drilling tool as well as a set rotational speed of said tool. According to the invention, the method further consists in performing a prior step of determining an information concerning the local stiffness of the plates (info-stiffness) at the hole to be drilled, the set feed rate and the set rotational speed of the tool being based on said information concerning the local stiffness of the plates. The invention is particularly applicable to aircraft construction.

L' invention se rapporte à un procédé d'assemblage par rivetage de tôles comprenant une étape de perçage d'un trou à travers les tôles suivie d'une étape de mise en place d'un rivet dans le trou percé, l'étape de perçage d'un trou étant réalisée en délivrant une consigne de vitesse d'avance d'un outil de perçage ainsi qu'une consigne de vitesse de rotation de cet outil. Selon l'invention, il est de plus mis en AEuvre une étape préalable de détermination d'une information sur la raideur locale des tôles (Info _ raideur) au niveau du trou à percer, les consigne de vitesse d'avance et consigne de vitesse de rotation de l'outil étant fonction de cette information sur la raideur locale des tôles. Application privilégiée au domaine des constructions aéronautiques.

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