Apparatus and method for ultrasonic processing of laminates

Details Apparatus and method for ultrasonic processing of laminates Apparatus and method for ultrasonic processing of laminates

B - Operations, Transporting

32

B

B32B 37/00 (2006.01)

Patent

CA 2580995

A method for ultrasonic debulking a composite laminate (105) includes the steps of defining a path (115) across the laminate, the path having a starting location and an ending location and applying a force (109) to and transmitting ultrasonic vibration (111) into the laminate along the path, beginning at the starting location and ending at the ending location. The method further includes determining a temperature of a surface (103,123) of the laminate proximate to the path and varying at least one of an amplitude of the ultrasonic vibration, the applied force, a feed rate at which the force and the ultrasonic vibration are applied along the path, an angle at which the ultrasonic vibration is applied to the laminate, and an interval at which plies of the laminate are processed, based upon the determined temperature of the surface of the laminate.

L'invention concerne un procédé de réduction de volume par ultrasons d'un stratifié composite. Ce procédé consiste à définir un chemin dans le stratifié, ce chemin possédant un emplacement initial et un emplacement terminal, et à appliquer une force sur le stratifié et à transmettre une vibration ultrasonore dans le stratifié le long de ce chemin, en commençant au niveau de l'emplacement initial et en terminant au niveau de l'emplacement terminal. Ledit procédé consiste en outre à déterminer une température d'une surface du stratifié au voisinage du chemin et à faire varier l'amplitude de la vibration ultrasonore, la force appliquée, une vitesse d'alimentation à laquelle la force et la vibration ultrasonore sont appliquées le long du chemin, un angle d'application de la vibration ultrasonore sur le stratifié et/ou un intervalle de traitement des plis du stratifié, sur la base de la température déterminée de la surface du stratifié.

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