A method and a system are provided for predicting and creating a shim for use in a joint where two parts, such as a skin and a substructure, are assembled together. Digital models for the skin and the substructure may be used as nominal maps of the outlines and profiles of the parts. The skin may be inspected, e.g., by nondestructive means, such as ultrasound, to determine as-built thickness profile for comparison to the skin's digital model of the thickness profile. Mating areas of the skin and substructure may be determined from their digital models of their outlines. Deviations in the mating areas of the as-built thickness of the skin from the digital model of the skin may be used to generate a digital model of a shim. The shim may be constructed from its digital model by additive manufacturing techniques that may involving machining or 3D printing.
Predictive shimming of joints
2018-11-27
Patent
Elektronische Ressource
Englisch
IPC: | G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B33Y ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING , Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |