Lap splice mini-riveter system

B - Operations – Transporting – 21 – J

Patent

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Details

B21J 15/44 (2006.01) B21J 15/10 (2006.01) B21J 15/14 (2006.01) B21J 15/28 (2006.01) B23Q 9/00 (2006.01) B64F 5/00 (2006.01)

Patent

CA 2254508

The present invention relates to a portable process for automated fastening of aircraft structures. The invention will employ two primary elements for locating and installing through-the-skin fasteners. Inside and outside units are attached onto an airframe and indexed to each other through coordination holes that have been pre-drilled through the structure. The aircraft structure is assembled with the pre-drilled coordination holes by aligning adjacent airframe parts and inserting alignment pins. The alignment pins will provide a degree of clamping to pull the parts together and provide indexing for inside and outside vacuum attachment track systems. The invention is equipped to traverse along the track system, accurately position itself, and drill only or countersink a hole, insert a fastener, and fasten, i.e., upset a rivet, or run down a threaded nut, then reposition itself to the next fastener location and repeat the process.

La présente invention concerne un procédé portable de fixation automatisée de structures d'avion. L'invention fera appel à deux éléments primaires de localisation et d'installation de fixations traversant la structure. Des unités intérieures et extérieures sont fixées sur la cellule et indexées l'une à l'autre par des trous de coordination prépercés dans la structure. La structure de l'avion est assemblée dans les trous de coordination prépercés par alignement des pièces adjacentes de la cellule et insertion de goupilles de positionnement. Les goupilles de positionnement assurent un certain degré de fixation pour permettre de tirer les pièces ensemble et l'indexage pour les systèmes de rails de fixation sous vide intérieurs et extérieurs. L'invention peut se déplacer en direction le long du système de rails, se positionner elle-même avec précision, et percer seulement un trou ou le fraiser, insérer une fixation et la fixer (p. ex. aplatir un rivet, ou visser un écrou fileté), puis se repositionner elle-même à l'emplacement de la fixation suivante, et répéter ainsi le procédé.

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