Authors: Hesse, Daniel
Stanko, Michael
Hohenberg, Patrick
Stommel, Markus
Title: Investigation of process control influence on tribological properties of FLM-manufactured components
Language (ISO): en
Abstract: In recent years, additive manufacturing methods such as Fused Layer Modeling have been continuously improved by industry and research institutions. In many cases, the influence of process control on the mechanical component properties is being investigated. Influencing parameters include the infill and its orientation as well as patterns. Extrusion parameters such as the volume flow, which can be influenced by the speed, the line width, and the layer thickness, and the temperatures, which determine the interlaminar bonding between the lines and layers, are relevant as well. In this contribution, the influence of process control on the tribological properties of cylindrical tribo-test specimens made of polybutylene terephthalate is investigated. Using a reciprocating pin-on-plate tribo-tester, the static and dynamic friction forces as well as the linear wear is determined. The results show a significant influence of the orientation and density of the infill on the tribological properties. Due to the process-specific large degrees of freedom, the advantage of a load-compatible individualisation and consequently the optimisation of tribologically exposed components is given compared to conventional manufacturing processes.
Subject Headings: Additive manufacturing
Fused layer modeling
Subject Headings (RSWK): Rapid Prototyping <Fertigung>
Fused Deposition Modeling
Issue Date: 2020-04-27
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Appears in Collections:Lehrstuhl für Kunststofftechnologie

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