Analysis of parameters influencing build accuracy of a SLM printed compressor outlet guide vane

Conference item


Otubusin, Adetayo, Wood, Paul, Appleby, John and Adamczuk, Rafael 2018. Analysis of parameters influencing build accuracy of a SLM printed compressor outlet guide vane. American Society of Mechanical Engineers. https://doi.org/10.1115/GT2018-75548
AuthorsOtubusin, Adetayo, Wood, Paul, Appleby, John and Adamczuk, Rafael
Abstract

The paper describes the manufacture of an outlet guide vane (OGV) of jet engines by the Selective Laser Melting (SLM) process, in view of current challenges for conventional machining approaches such as; high airfoil profile tolerances, limited tooling access and hard to machine materials like nickel-chromium-based super alloys. Within this paper, analysis was conducted to investigate the influence of build parameters on possible distortion during printing that affect the build accuracy. These parameters include the part orientation on the build plate, thickness change to the flanges and the positioning of the support structure of each part. The configurations are 3D printed using the SLM approach. The chosen material is IN625. The printed parts are 3D scanned and the results are compared to the original CAD design. The results confirmed the presence of distortions in printed parts and the effect of parameter changes. Furthermore, it was shown that improvements to the print parameters are necessary to achieve a satisfactory profile tolerance.

KeywordsCompressors, Guide vanes, Additive manufacturing, Airfoils, Alloys, Computer-aided design, Design, Flanges, Jet engines, Lasers, Machinery, Machining, Melting, Nickel, Printing, Tooling
Year2018
JournalVolume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy
ASME Proceedings Manufacturing Materials and Metallurgy
PublisherAmerican Society of Mechanical Engineers
Digital Object Identifier (DOI)https://doi.org/10.1115/GT2018-75548
Web address (URL)http://hdl.handle.net/10545/625321
http://creativecommons.org/publicdomain/zero/1.0/
hdl:10545/625321
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Publication dates30 Aug 2018
Publication process dates
Deposited04 Nov 2020, 16:18
Accepted2018
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CC0 1.0 Universal

ContributorsUniversity of Derby and Florida Turbine Technologies (UK) Ltd, Derby
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