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The International Journal of Advanced Manufacturing Technology
Article . 2020 . Peer-reviewed
License: Springer TDM
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Use of the QFD method to redesign a new extrusion system for a printing machine for ceramics

Authors: El Mesbahi, Jihad; Buj Corral, Irene; El Mesbahi, Abdelilah;

Use of the QFD method to redesign a new extrusion system for a printing machine for ceramics

Abstract

Additive manufacturing (AM), also known as 3D printing is a manufacturing technology that takes the information from a computer-aided design (CAD) and builds parts in a layer-by-layer style. Further to the extensive research on 3D printing of polymers and metals, ceramics have attracted the increasing attention of researchers, in sectors such as aerospace, electrical, chemical, or medical. Complex shapes printing with porous structures, which are required in the medical area for prostheses, are difficult with most of the traditional manufacturing processes. However, additive manufacturing processes can achieve such geometries. Specifically, the direct ink writing (DIW) process is one of the most promising and inexpensive techniques for shaping free-form ceramic components. In this process, the material is extruded through a syringe and then deposited on a printing bed. In the present paper, the redesign of an extrusion head for ceramics is presented. The main disadvantage of the original design was the limited volume of the syringe vessel barrel. For this reason, the proposed new system has higher capacity. For that, first, the target specifications of the new extrusion system for larger material quantities were defined. For this purpose, the quality function deployment method was used, in order to assure the required quality from the design phase. Then, these critical features and specifications were used to generate the different concepts that will ensure the quality of the printed parts when printing large volumes. The morphological matrix was used in this case. The work presented in this paper is the starting point of the development of the final design of an innovative extrusion head.

Country
Spain
Keywords

Three-dimensional printing, Ceramics, Additive manufacturing, :Enginyeria biomèdica [Àrees temàtiques de la UPC], Hip prosthesis, Prosthesis, Àrees temàtiques de la UPC::Enginyeria biomèdica, Extrusion head, :Enginyeria mecànica [Àrees temàtiques de la UPC], Àrees temàtiques de la UPC::Enginyeria mecànica::Processos de fabricació mecànica, :Enginyeria mecànica::Processos de fabricació mecànica [Àrees temàtiques de la UPC], Àrees temàtiques de la UPC::Enginyeria mecànica, :Enginyeria biomèdica::Biomecànica [Àrees temàtiques de la UPC], Direct ink writing, Pròtesis, Àrees temàtiques de la UPC::Enginyeria biomèdica::Biomecànica, Impressió 3D, Paste extrusion

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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9
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