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Robustness in aerospace components manufacturing and fabrication – a case study

Johan Vallhagen ; Johan Lööf (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Rikard Söderberg (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Kristina Wärmefjord (Institutionen för produkt- och produktionsutveckling, Produktutveckling)
Proceedings of ISABE2011 (2011)
[Konferensbidrag, refereegranskat]

One approach to light weight designs of jet engine components is to fabricate structures instead of making large complex castings. This needs other methodology to design, plan and verify the joining processes and geometry dimensioning and tolerancing of the parts. This case study has used methods and tools for robust design developed for use in the automotive industry. The purpose of the study was to evaluate the methodology on jet engine components. With virtual geometry models, assembly modeling can be done based on locating schemes, describing the kinematics relations of the assembly. The effect of locator disturbances and part error on critical assembly dimensions can be analyzed with respect to three-dimensional effects. The locating schemes have also been evaluated through a measuring process analyzing the repeatability. The conclusion is that the Robust Design and Tolerancing methodology can be applied to the type of fixturing of joining needed for fabrication of parts in the case study and that great improvements can be made optimising the placement of reference points.

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Denna post skapades 2011-10-17. Senast ändrad 2014-09-17.
CPL Pubid: 147342


Institutioner (Chalmers)

Institutionen för produkt- och produktionsutveckling, Produktutveckling (2005-2017)


Hållbar utveckling
Övrig bearbetning/sammanfogning
Övrig annan teknik

Chalmers infrastruktur