F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 5/04 (2006.01) F16B 5/00 (2006.01)
Patent
CA 2398553
The invention concerns a method for assembling two substantially planar parts (10, 12) via fixing members (14) such as rivets or bolts, which consists in first calculating the ratio R between the tension and flexional stresses corresponding to the load to be transmitted; then orienting the end line of the fixing members (14) at an angle alpha whereof the absolute value is such that 10.8 1n(R) + 16 < l alpha l < 13.9 1n(R) + 28 when the ratio R is not less than 1 and such that: 16 DEG < l alpha l < 28 DEG when the ratio R is less than 1. The absolute value of angle alpha does not exceed 90 DEG .
Procédé d'assemblage optimisé de deux pièces sensiblement planes. Pour réaliser l'assemblage de deux pièces (10, 12) sensiblement planes par l'intermédiaire d'organes de fixation (14) tels que des rivets ou des boulons, on commence par calculer le rapport R entre les contraintes de traction et de flexion correspondant aux efforts à transmettre. On oriente ensuite la ligne extrême des organes de fixation (14) selon un angle .alpha. dont la valeur absolue est telle que 10,8 ln(R) + 16 < .alpha. < 13,9 ln(R) + 28 lorsque le rapport R est supérieur ou égal à 1 et tel que: 16°< .alpha. < 28° lorsque le rapport R est inférieur à 1. La valeur absolue de l'angle .alpha. n'excède pas 90°.
Bouchet Eric
Huet Jacques
Koffi Konan
Airbus France
Airbus Operations Sas
Goudreau Gage Dubuc
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