Integration of Machine Tool Accessibility of Support Structures with Topology Optimization for Additive Manufacturing

McConaha, Matthew; Venugopal, Vysakh; Anand, Sam

doi:10.1016/j.promfg.2020.05.092

Cited by 12 publications

(1 citation statement)

References 9 publications

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“…In principle, however, the support structures can also be removed by machine tools, which are also used for a functionalising post-processing. With regard to the configuration of the support structures, however, their accessibility must be taken into account in comparison to machining [110]. Finally, AM components are often characterised by the fact that a lattice-like "filling structure" (lattice structure) is created within a "component envelope" that constitutes the outer component geometry [111].…”

Section: The Influence Of Designmentioning

confidence: 99%

The Additive-Subtractive Process Chain - a Review

Möhring¹,

Maucher²,

Becker³

et al. 2023

Journal of Machine Engineering

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In recent years, metal additive manufacturing developed intensively and became a relevant technology in industrial production of highly complex and function integrated parts. However, almost all additively manufactured parts must be post-processed in order to fulfil geometric tolerances, surface quality demands and the desired functional properties. Thus, additive manufacturing actually means the implementation of additive-subtractive process chains. Starting with the most relevant additive processes (powder-based PBF-LB, LMD-p and wire-based WAAM and LMD-w/WLAM), considering intermediate process steps (heat treatment and shot peening) and ending up with post-processing material removal processes (with defined and undefined cutting edges), this paper gives an overview of recent research findings with respect to a comprehensive scientific investigation of influences and interactions within the additive-subtractive process chain. This includes both the macroscopic geometric scale and the microscopic scale of the material structure. Finally, conclusions and future perspectives are derived and discussed.

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Section: The Influence Of Designmentioning

confidence: 99%