Abstract
Tracing the internal changes seen by a product assembly during its useful life cycle without disassembling or destructively testing the product provides many challenges. When an assembly is disassembled for evaluation, the effect of component interaction is lost, particularly if operations such as press-fitting have been used in the assembly process. It is undesirable to destructively evaluate a product when it is still in its useful life cycle. Los Alamos National Laboratory is developing a process in which radiographic information is used to characterise an entire assembly for life cycle evaluation and the geometric information is extracted for input into a Computer Aided Engineering (CAE) software package. Digitized radiographs have been reconstructed into solid models using FotoG™ geometry extraction techniques and ProENGINEER™ solid modelling capabilities. Executed simultaneously, FotoG™ translates the extracted geometry into a format useable by the ProENGINEER™ software. Once the solid model is constructed, it is used for creation of finite element analysis input, virtual environment model creation, and tooling design. The creation of the finite element model allows us to forestall future problems using predictive analyses. Virtual environment creation provides us with the capability of creating a learning environment for technicians performing maintenance or disassembly of problem units. And tooling design provides us the capability to safely transport severely damaged assemblies in the event of an accident scenario.
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© 2001 Springer Science+Business Media New York
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Hefele, J., Bolton, R.D. (2001). Non-destructive Tracing of a Product Life Cycle Through Geometry Extraction from Radiographs. In: Mo, J.P.T., Nemes, L. (eds) Global Engineering, Manufacturing and Enterprise Networks. DIISM 2000. IFIP — The International Federation for Information Processing, vol 63. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35412-5_34
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DOI: https://doi.org/10.1007/978-0-387-35412-5_34
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-1012-0
Online ISBN: 978-0-387-35412-5
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