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Leverage of Industrial Engineering Education for Sustainable Manufacturing Read chapter Read first chapter

2017 | OriginalPaper | Chapter

Design for Additive Manufacturing Using LSWM: A CAD Tool for the Modelling of Lightweight and Lattice Structures

Authors : Alessandro Ceruti, Riccardo Ferrari, Alfredo Liverani

Published in: Sustainable Design and Manufacturing 2017

Publisher: Springer International Publishing

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Abstract

This paper presents the development of a CAD conceived to support the modelling of lightweight and lattice structures just from the initial stages of the design process. A new environment, called LWSM (acronym of LightWeight Structures Modelling), has been implemented in Python programming language in an open-source CAD software to allow the fast modelling of several sandwich structures or the filling of solid parts with cubic and tetrahedral lattice structures which can be produced by Additive Manufacturing (AM) techniques. Several tests have been carried out to validate the tool, one of which is included in the paper. The design of a bracket component inside LWSM using a traditional dense geometry and a lattice structure is described. The use of Design for Additive Manufacturing (DfAM) functions helps the user in the design of innovative structures which can produced only with AM technologies. A significant change in the shape of the part respect to traditional solutions is noticed after the use of DfAM functions by experimenters: FEM analysis confirms a strong weight reduction.

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previous chapter Sustainable Scenarios for Engaged Manufacturing: A Literature Review and Research Directions
next chapter Additive Manufacturing as a Driver for the Sustainability of Short-Lifecycle Customized Products: the Case Study of Mobile Case Covers
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Metadata
Title
Design for Additive Manufacturing Using LSWM: A CAD Tool for the Modelling of Lightweight and Lattice Structures
Authors
Alessandro Ceruti
Riccardo Ferrari
Alfredo Liverani
Copyright Year
2017
Book
Sustainable Design and Manufacturing 2017

Print ISBN: 978-3-319-57077-8

Electronic ISBN: 978-3-319-57078-5

Copyright Year: 2017

DOI
https://doi.org/10.1007/978-3-319-57078-5_71

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