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Geometry Assurance Integrating Process Variation with Simulation of Spring-In for Composite Parts and Assemblies

Journal article
Authors Cornelia Jareteg
Kristina Wärmefjord
C. Cromvik
Rikard Söderberg
Lars Lindkvist
J. Carlson
Stig Larsson
Fredrik Edelvik
Published in Journal of Computing and Information Science in Engineering
Volume 16
Issue 3
ISSN 1530-9827
Publication year 2016
Published at Department of Mathematical Sciences, Mathematics
Language en
Links dx.doi.org/10.1115/1.4033726
Subject categories Manufacturing engineering, Aerospace Engineering, Composite Science and Engineering

Abstract

Copyright © 2016 by ASME.Geometrical variation and deviation in all the manufacturing processes affect the quality of the final product. Therefore, geometry assurance is an important tool in the design phase of a new product. In the automotive and aviation industries where the use of composite parts is increasing drastically, new tools within variation simulations are needed. Composite parts tend to deviate more from nominal specification compared to metal parts. Methods to simulate the manufacturing process of composites have been developed before. In this paper, we present how to combine the process variation simulation of composites with traditional variation simulations. The proposed method is demonstrated on a real complex subassembly, representing part of an aircraft wing-box. Since traditional variation simulation methods are not able to capture the spring-in and the special deviation behavior of composites, the proposed method adds a new feature and reliability to the geometry assurance process of composite assemblies.

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