Deakin University
Browse

File(s) under permanent embargo

Optimization of fused deposition modeling process parameters for dimensional accuracy using I-optimality criterion

journal contribution
posted on 2016-03-01, 00:00 authored by O A Mohamed, S H Masood, J L Bhowmik
© 2015 Elsevier Ltd. All rights reserved. Fused deposition modeling (FDM) is one of the widely used additive manufacturing technologies because it has flexibility and ability to build complex parts. The accuracy of parts fabricated by FDM is greatly influenced by various process parameters. FDM process has a complex mechanism in building parts and often poses difficulty in understanding adequately how conflicting FDM parameters will determine part quality and accuracy. Sectors such as medical implant, telecommunication, electronics and aerospace require increasingly higher levels of dimensional accuracy. Thus, traditional methods of ensuring quality do not effectively address global markets and customer's needs. This study proposes an I-optimality criterion for the optimization of FDM process parameters in order to address the limitations of the commonly used traditional designs. This study also aims to develop mathematical models in order to establish nonlinear relationship between process parameters and dimensional accuracy. The results show that I-optimality criterion is very promising technique in FDM process parameter optimization. Confirmation experiments show that the proposed method has great advantages in the aspect of both accuracy and efficiency compared with traditional methods proposed in previous studies.

History

Journal

Measurement

Volume

81

Pagination

174 - 196

Publisher

Elsevier

Location

Amsterdam, The Netherlands

ISSN

0263-2241

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2015, Elsevier Ltd