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Research Papers: Design for Manufacture and the Life Cycle

Assembly Based Methods to Support Product Innovation in Design for Additive Manufacturing: An Exploratory Case Study

[+] Author and Article Information
Floriane Laverne

LCPI—Laboratoire de Conception de
Produits et Innovation,
Ecole Nationale Supérieure d'Arts et Métiers,
151 bd de l'Hôpital,
Paris 75013, France
e-mail: floriane.laverne@ensam.eu

Frédéric Segonds

LCPI—Laboratoire de Conception de
Produits et Innovation,
Ecole Nationale Supérieure d'Arts et Métiers,
151 bd de l'Hôpital,
Paris 75013, France
e-mail: frederic.segonds@ensam.eu

Nabil Anwer

LURPA—Laboratoire Universitaire de Recherche
en Production Automatisée,
Ecole Normale Supérieure de Cachan,
61 av du Président Wilson,
Cachan Cedex 94235, France
e-mail: anwer@lurpa.ens-cachan.fr

Marc Le Coq

LCPI—Laboratoire de Conception de
Produits et Innovation,
Ecole Nationale Supérieure d'Arts et Métiers,
151 bd de l'Hôpital,
Paris 75013, France
e-mail: marc.lecoq@ensam.eu

Contributed by the Design for Manufacturing Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received February 14, 2015; final manuscript received September 1, 2015; published online October 16, 2015. Assoc. Editor: David Rosen.

J. Mech. Des 137(12), 121701 (Oct 16, 2015) (8 pages) Paper No: MD-15-1110; doi: 10.1115/1.4031589 History: Received February 14, 2015; Revised September 01, 2015

Additive manufacturing (AM) is emerging as an important manufacturing process and a key technology for enabling innovative product development. Design for additive manufacturing (DFAM) is nowadays a major challenge to exploit properly the potential of AM in product innovation and product manufacturing. However, in recent years, several DFAM methods have been developed with various design purposes. In this paper, we first present a state-of-the-art overview of the existing DFAM methods, then we introduce a classification of DFAM methods based on intermediate representations (IRs) and product's systemic level, and we make a comparison focused on the prospects for product innovation. Furthermore, we present an assembly based DFAM method using AM knowledge during the idea generation process in order to develop innovative architectures. A case study demonstrates the relevance of such approach. The main contribution of this paper is an early DFAM method consisting of four stages as follows: choice and development of (1) concepts, (2) working principles, (3) working structures, and (4) synthesis and conversion of the data in design features. This method will help designers to improve their design features, by taking into account the constraints of AM in the early stages.

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References

Figures

Grahic Jump Location
Fig. 2

Workflow of A-DFAM, adapted from Refs. [47] and [48]

Grahic Jump Location
Fig. 1

Synthesis and distribution of the DFAM practices

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Fig. 3

Workflow of C-DFAM, adapted from Refs. [64] and [56]

Grahic Jump Location
Fig. 4

Details of the eA-DFAM method and position of the case study

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Fig. 5

Protocol and productions of the case study

Grahic Jump Location
Fig. 6

Proposal of optimized eA-DFAM

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