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Design of a weight optimized casted ADI component using topology and shape optimization
KTH, School of Industrial Engineering and Management (ITM), Production Engineering, Machine and Process Technology.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Konstruktion av viktoptimerade gjutna ADI-komponenter med topologi- och parmeteroptimering (Swedish)
Abstract [en]

Structural Optimization techniques are widely used in product development process in ‘modern industry’ to generate optimal designs with only sufficient material to serve the purpose of the component. In conventional design problems, the design process usually generates overdesigned components with excess material and weight. This will in turn increase the life time cost of machines, both in terms material wastage and expense of usage. The thesis “Design of a weight optimized casted ADI component using topology and shape optimization” deals with redesigning a component from a welded steel plate structure into a castable design for reduced manufacturing cost and weight reduction. The component “Drill Steel Support” mounted in front of the drilling boom of a Face Drilling Machine is redesigned during this work. The main objective of the thesis is to provide an alternative design with lower weight that can be mounted on the existing machine layout without any changes in the mounting interfaces. This thesis report covers in detail procedure followed for attaining the weight reduction of the “Drill Steel Support” and presents the results and methodology which is based on both topology and shape optimization.

Abstract [sv]

Strukturoptimering används ofta i produktutvecklingsprocessen i modern industri för att ta fram optimala konstruktioner med minsta möjliga materialåtgång för komponenten. Konventionella konstruktionsmetoder genererar vanligtvis överdimensionerade komponenter med överflödigt material och vikt. Detta ökar i sin tur livstidskostnaderna för maskiner både i termer av materialavfall och användning. Avhandlingen "Konstruktion av viktoptimerad gjuten ADI-komponent" behandlar omkonstruktionen av en komponent från en svetsad stålplåtstruktur till en gjutbar konstruktion med minskad tillverkningskostnad och vikt. Komponenten “Borrstöd” monterad i framkant av bommen på en ortdrivningsmaskin är omkonstruerad under detta arbete. Huvudsyftet med avhandlingen är ta fram en alternativ konstruktion med lägre vikt och som kan monteras på befintlig maskinlayout utan någon ändring i monteringsgränssnittet. Denna avhandling innehåller en detaljerad beskrivning av förfarandet för att uppnå viktminskningen av "borrstödet" och presenterar resultaten samt metodiken som baseras på både topologi- och parameter- optimering.

Place, publisher, year, edition, pages
2018. , p. 52
Series
TRITA-ITM-EX ; 2018:621
Keywords [en]
ADI materials, Topology optimization, Shape optimization, casting simulation, Weight Optimization
Keywords [sv]
ADI-material, Topologioptimering, Parameteroptimering, gjutsimulering, viktoptimering
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-236518OAI: oai:DiVA.org:kth-236518DiVA, id: diva2:1257343
External cooperation
Epiroc Rock Drills AB
Subject / course
Solid Mechanics
Educational program
Master of Science - Machine Learning
Presentation
2018-08-27, 00:00 (English)
Supervisors
Examiners
Available from: 2018-10-19 Created: 2018-10-19 Last updated: 2018-10-19Bibliographically approved

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CiteExportLink to record
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