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Optimizing Products and Production Using Additive Manufacturing by Introducing Bionics into the Engineering Design Process
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0002-6438-2621
2017 (English)In: Proceedings of the ASME 2017 International Mechanical Engineering Congress and Exposition: IMECE2017, New York: ASME Press, 2017Conference paper, Published paper (Refereed)
Abstract [en]

In order to perform engineering design activities aiming at

the design of new or redesign of existing products, a number of

alternative processes, methods and techniques are available in

the literature to the engineering designer/product developing

enterprise. These processes, methods and techniques, are

usually not explicitly expressed in terms of directives as to

when and how they are to be used in the actual design of the

product-to-be.

An important goal in product development of today is to

fulfill the terms for sustainable development, thus emphasizing

the need to develop products which are not overexploiting the

available resources provided by nature. By utilizing an

approach to development and design based on bionics, i.e.

utilizing biological methods and systems found in nature as a

means of creating technical solutions, a conceptual framework

is provided which is especially fit to accommodate the striving

for sustainability.

Striving for lightweight designs provides a significant

potential to reduce the energy consumption of the product-tobe,

which at present is a highly prioritized goal within

sustainable development. Up until now, the dominating

approach to lightweight designs has been to utilize lightweight

materials such as different types of composites and metallic

materials such as aluminum, magnesium and titanium.

By introducing biomimicry into the engineering design

process, an additional step towards efficient lightweight design

solutions might be within reach. Since the objects created by

nature are independent of costs and time, these are most often

very complex especially regarding shapes and dimensions. In

order to match these constraints in the creation of technical

solutions (products), it is necessary to utilize optimization in

combination with a flexible manufacturing process. The ideal

manufacturing method to meet these demands is Additive

Manufacturing (AM), though, at least for the time being, it

imposes some constraints in size, costs etc. of the product to be

manufactured.

If the product designed is to be suitable for manufacturing

for AM, it must be optimized, and so must the way it is to be

processed. Therefore three of the most essential problems

which need to be addressed in order to efficiently utilize AM

are also elaborated upon and reported in the paper.

The first of these problems is how to optimize the productto-

be. The second is to establish the orientation in which the

product is to be manufactured during the AM process. The third

is to find the best usage of the support material in the 3D

printer, as there is no optimized process available for this

activity. This is mainly due to the difficulties to foresee the

waste of building material as, in most cases, this material can

only be used once.

In this paper, a process for the design and development of

new products is proposed. The application of the process also

includes essential elements to assure an efficient use of AM as

mentioned above. The process is established on the basis of an

integration of the Biomimicry Design Spiral, Bionic Structures

and Elements and optimization into the Engineering Design

Process. The utilization of the process is demonstrated by an

application and reported in the form of a modified engineering

design process - the Engineering and Biomimicry Design

Process or the EBDP process for short.

Place, publisher, year, edition, pages
New York: ASME Press, 2017.
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:hh:diva-35398OAI: oai:DiVA.org:hh-35398DiVA: diva2:1156342
Conference
ASME 2017 International Mechanical Engineering Congress and Exposition (IMECE2017), November 3-9, 2017, Tampa, Florida, USA, November 3-9, 2017
Available from: 2017-11-12 Created: 2017-11-12 Last updated: 2017-11-14

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