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Modularisering av konstruktionsunderlag
Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
2012 (Swedish)Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesisAlternative title
Modularization of design documents (English)
Abstract [sv]

Volvo Bussar i Säffle producerar de flesta kundanpassade bussarna som tillverkas inom Volvokoncernen. Kundanpassningarna medför att många timmar behöver läggas på stolsmontering, och ibland behöver även omkonstruktion utföras, under offertritningsprocessen som idag sker i 2D-CAD. Korta ledtider för offertritningarna leder till att ritningarna inte blir tillräckligt exakta med de nuvarande metoderna och arbetsverktygen.

Målet från Volvo är att en parameterstyrd modul för stolsplaceringen skall utvecklas i 3D-CAD. Modulen skall också inkludera konstruktionsparametrar för bussens golv.

Den parameterstyrda modulen måste vara snabbarare och pålitligare än de nuvarande metoderna i 2D-CAD. Därför måste layouternas signifikanta mått kunna ändras lättvindigt. Modulen måste också ta hänsyn till de säkerhetsregler och lagkrav som finns.

Utvecklingen av den parameterstyrda modulen delades in tre delar; golvmodul, placering av stolar och förminskning av stolmodellens filstorlek. Konstruktionen av modulerna kommer huvudsakligen använda sig av metodiken för Top-Down som struktur.

Projektet resulterade i att tre olika parametersyrda moduler skapades, en för varje busstyp som undersökts under detta projekt.

Abstract [en]

Volvo Buses in Säffle produces most of the customized buses within the Volvo group. As a result of the customizations additional hours in the bus assembly process for seat mounting has to be spent, and sometimes even additional design hours, during the tender process which is in 2D-CAD. The current methods and tools together with short lead time for the tenders are not accurate enough.

The objective from Volvo is to develop a parametric seat positioning module in 3D-CAD. The module should also include parameters for construction of the bus floor.

The parametric module has to be faster and more reliable than the current methods in 2D-CAD. Therefore the adjustments of the layout’s significant dimensions have to be done easily. The module also needs to regard safety rules and legal requirements.

The developing of the parametric module is divided in three parts; floor module, seat positioning module and reduction of file size for the seat model. The construction of the modules will use the methodology from Top-down as main structure.

The project resulted in three different parametric modules, one for each bus type that was analyzed during this project.

Place, publisher, year, edition, pages
2012. , 85 p.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-13535Local ID: MSK-21OAI: oai:DiVA.org:kau-13535DiVA: diva2:531983
Subject / course
Mechanical Engineering, Bachelor of Science
Uppsok
Technology
Available from: 2012-06-26 Created: 2012-06-08 Last updated: 2013-01-21Bibliographically approved

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