How to control the surface qualities in AM channels?

DS 125: Proceedings of the 34th Symposium Design for X (DFX2023)

Year: 2023
Editor: Dieter Krause, Kristin Paetzold-Byhain, Sandro Wartzack
Author: Florian Schmitt, Korosh Sallehsari, Eckhard Kirchner
Series: DfX
Institution: Institute for Product Development and Machine Elements, TU Darmstadt
Page(s): 153-162
DOI number: 10.35199/dfx2023.16


Design for Additive Manufacturing maximizes the potential of Additive Manufacturing (AM) through design guidelines and tools. However, a methodological gap remains in integrating hollow structures to enable new functionalities, which is address in this contribution. The quantitative working space model (qWSM) is introduced as a tool to enable the examination of surface characteristics and their impact on channel functionalities in AM. The qWSM's dynamic representation of design embodiment supports updates for new design solutions, thus enhancing digital product development efficacy. Utilizing the qWSM, the relationship between surface roughness and state variables like pressure drop are explored. The objective is to refine the AM process and improve functionality through design guidelines.

Keywords: DFAM, design for X, qWSM, maschine elements, sensing machine elements, channels, fluidflow


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