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Dimensionering av representativa riggdetaljer för motorkonfiguration
University West, Department of Engineering Science, Divison of Natural Sciences, Surveying and Mechanical Engineering.
University West, Department of Engineering Science, Divison of Natural Sciences, Surveying and Mechanical Engineering.
2014 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Design of representative rig components for engine configuration (English)
Abstract [sv]

Detta arbete behandlar framtagning av koncept på detaljer som gränsar mellan riggstruktur och provobjekt för komponentprovning av flygmotordetalj. Arbetet har utförts på GKN Aerospace Sweden, Trollhättan.

Vid utveckling av flygande komponenter måste man visa att de klarar av en viss belastning. Ett sätt att genomföra detta är att konstruera en rigg som återskapar de värsta belastningar som komponenten kan utsättas för. För att riggen skall vara representativ behöver därför de detaljer som gränsar mellan provobjekt och riggstruktur dimensioneras för att representera de flygande detaljerna.

Målet med arbetet var att ta fram geometrimodeller som överför krafter, och därmed deformationer, till provobjektet inom en felmarginal på 5 procent. Detta utfördes genom en jämförelse mellan de flygande detaljernas egenskaper och konceptens.

Ett antal koncept utvärderades varav de slutliga optimerades genom "trial-and-error"-metoden för att uppfylla målet

Abstract [en]

This thesis work describes concept development of parts for flight engine component testing. The developed parts purpose is to join the test object to the rig structure. The work has been performed at GKN Aerospace Sweden, Trollhättan.

In the development process of aerospace components it is required to verify that the parts withstand the exerted loads. To accomplish this, a rig structure could be constructed to recreate the worst load case which the parts will be exerted to. To ensure that the rig is representative the parts joining the test object and the rig structure have to be designed to represent the flight engine components.

The goal was to develop design models that transfer forces and thereby deformations to the test object within a margin of error by 5 percent. This was performed by comparing the flight engine components properties with the concepts.

A number of concepts were evaluated from which the finals were optimized to fulfil the goal

Place, publisher, year, edition, pages
2014. , p. 51
Keyword [en]
Product Development, FEA, Component Testing, Dummy, Structural Stiffness Analysis, Rig Structure
Keyword [sv]
Produktutveckling, FEM, Komponentprovning, Dummy, Styvhetsanalys, Riggstruktur
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:hv:diva-6253Local ID: EXC580OAI: oai:DiVA.org:hv-6253DiVA, id: diva2:717922
Subject / course
Mechanical engineering
Educational program
Maskiningenjör
Supervisors
Examiners
Available from: 2014-05-21 Created: 2014-05-19 Last updated: 2014-06-02Bibliographically approved

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