Unlocking the Design Potential of Rapid Manufacturing

Hague, Richard

doi:10.1002/0470033991.ch2

Cited by 19 publications

(4 citation statements)

References 6 publications

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“…Additive manufacturing (AM) technologies have many advantages over traditional manufacturing methods [ 1 ]. They could significantly reduce the design and production cycle by using rapid prototyping [ 2 ]. More importantly, they enable the production of parts with highly complex geometries, such as those generated from a topology optimization process [ 3 , 4 , 5 , 6 , 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material Affected by Various Processing Parameters

Shen²,

Lin

et al. 2020

Polymers

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Thermoplastic polyurethane (TPU) is a polymer material that has high ductility, good biocompatibility and excellent abrasion resistance. These properties open a pathway to manufacturing functional TPU parts for applications in various fields such as aerospace engineering, medical devices and sports equipment. This study aims to investigate the mechanical properties of additively manufactured TPU material affected by three different processing parameters, including build orientation, mix ratio of the new and reused powders and post-processing. A series of material tests are conducted on TPU dumb-bell specimens. It is found that the mix ratio of the new powder is the most critical factor in improving the mechanical properties of the printed TPU parts. Compared to reused powder, new powder has better particle quality and thermal properties. Besides, build orientation is also a very important factor. TPU parts printed in flat and on-edge orientations show better tensile strength and deformability than those printed in upright orientation. In addition, post-processing is found to significantly enhance the deformability of TPU parts.

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Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material Affected by Various Processing Parameters

Shen²,

Lin

et al. 2020

Polymers

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“…The few works related to RA tend to gravitate around PC. An earliest DFAM contribution is the well-known Airbus aircraft duct [17], whose part count has been drastically reduced from 16 components (and fasteners) to one component. Another AM-based PC case study is the one made by Schmelzle et al [18].…”

Section: Design For Additive Manufacturingmentioning

confidence: 99%

An Assembly-Oriented Design Framework for Additive Manufacturing

Sossou

Demoly

Gomes

et al. 2022

Designs

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The shape complexity capability of additive manufacturing (AM) is currently the main thrust of the design for AM (DFAM) research. In order to aid designers embracing that complexity-for-free characteristics of AM, many design approaches have been put forth. However, AM does not only benefit parts’ designs: its capability can be harnessed at assembly level to design performant and innovative products. Most of the few contributions on the topic are concerned with part consolidation of existing assemblies, but other advantages such as assembly-free mechanisms, multi-material components, or even component embedding can also improve product design complexity. This paper aims to put forth a thorough DFAM framework for new product development (made of multiple parts) and which consider all the assembly-related characteristics of AM. It considers what can be called AM-based architecture minimization, which includes, among others, part consolidation and assembly-free mechanisms as well. Within context of an ‘AM-factory’, in which the most appropriate machine(s) is/are selected for easing a whole assembly manufacturing before the detailed geometric definition is committed. For the sake of completeness, a methodology based on functional flows has also been investigated for the parts’ design. A gripper as case study has been introduced to illustrate the framework.

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“…Many scholars studied around the complex structure design methods. Hague et al first proposed the redesign method and used this method they created a diesel engine front end shield with a complex internal [16]. Its characteristic was that the part not needed was hollowed and removed directly.…”

Section: Structure Complexitymentioning

confidence: 99%

A Review of Product Design for Additive Manufacturing

Shi

Song

Liu

et al. 2014

AMM

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Additive Manufacturing (AM) is the digital manufacturing technology by which products are fabricated directly from computer models by selectively curing, depositing or consolidating materials in successive layers. The technology has provided an opportunity to rethink the methods of product design to maximize the product performance through the synthesis of material compositions, structure, and sizes. This overview is created to relate the unique capabilities of AM technologies and discuss the methods of product design. Finally, the current problems and difficulties in this field are discussed in this paper, and this paper proposes the development direction of the product design for additive manufacturing in the future.

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Unlocking the Design Potential of Rapid Manufacturing

Cited by 19 publications

References 6 publications

Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material Affected by Various Processing Parameters

Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material Affected by Various Processing Parameters

An Assembly-Oriented Design Framework for Additive Manufacturing

A Review of Product Design for Additive Manufacturing

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