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Standardization in additivemanufacturing: Recommended parameters and fixture solutions for hybrid printing
Karlstad University, Faculty of Health, Science and Technology (starting 2013).
2023 (English)Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesisAlternative title
Standardisering inom additiv tillverkning : Rekommenderade parametrar och fixturlösningar för hybrid printing (Swedish)
Abstract [en]

This study analyses and examines the hybrid printing process at Uddeholms AB in Hagfors.The objective of this study is to present recommended parameters to achieve optimal printingresults in a newly developed steel as well as a steel powder material designed for additivemanufacturing.The study showed that the best results occurred when printing on metal in a delivery state,with a thin layer thickness and double exposure. This resulted in full density in the fusion zoneand a gradient hardness change compared to a linear hardness change which was achievedwhen using single exposure. This leads to a lower chance of crack initiation due to internalstresses in the material.Additionally, a fixture system is presented that can fixate a variety of geometriessimultaneously. The use of this fixture system leads to a reduction in lead time by up toapproximately 85% comparing to the fixture solution in use today. Another benefit is theincreased economic sustainability since the operator does not need bespoke fixturing solutionsfor specific jobs.To achieve optimal properties of the printed detail, the parameters presented in this studyshould be used in conjunction with the fixture system.

Place, publisher, year, edition, pages
2023. , p. 129
Keywords [sv]
Additiv tillverkning, Standardisering, PBF-LB
National Category
Applied Mechanics Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-96602OAI: oai:DiVA.org:kau-96602DiVA, id: diva2:1794150
External cooperation
Voestalpine - Uddeholms AB
Educational program
Study Programme in Innovation and Design Engineering
Supervisors
Examiners
Available from: 2023-10-02 Created: 2023-09-04 Last updated: 2023-10-02Bibliographically approved

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