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An overview on joining/welding as post-processing technique to circumvent the build volume limitation of an FDM-3D printer

Vivek Kumar Tiwary (Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belagavi, India)
Arunkumar P. (Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belagavi, India)
Vinayak R. Malik (Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belagavi, India and Department of Mechanical Engineering, IISC Bangalore, Bangalore, India)

Rapid Prototyping Journal

ISSN: 1355-2546

Article publication date: 17 May 2021

Issue publication date: 4 June 2021

310

Abstract

Purpose

Three-dimensional (3D) printing, one of the important technological pillars of Industry 4.0, is changing the landscape of future manufacturing. However, the limited build volume of a commercially available 3D printer is one inherent constraint, which holds its acceptability by the manufacturing business leaders. This paper aims to address the issue by presenting a novel classification of the possible ways by which 3D-printed parts can be joined or welded to achieve a bigger-sized component.

Design/methodology/approach

A two-step literature review is performed. The first section deals with the past and present research studies related to adhesive bonding, mechanical interlocking, fastening and big area additive manufacturing of 3D printed thermoplastics. In the second section, the literature searches were focused on retrieving details related to the welding of 3D printed parts, specifically related to friction stir welding, friction (spin) welding, microwave and ultrasonic welding.

Findings

The key findings of this review study comprise the present up-to-date research developments, pros, cons, critical challenges and the future research directions related to each of the joining/welding techniques. After reading this study, a better understanding of how and which joining/welding technique to be applied to obtain a bigger volume 3D printed component will be acquired.

Practical implications

The study provides a realistic approach for the joining of 3D printed parts made by the fused deposition modeling (FDM) technique.

Originality/value

This is the first literature review related to joining or welding of FDM-3D printed parts helping the 3D printing fraternity and researchers, thus increasing the acceptability of low-cost FDM printers by the manufacturing business leaders.

Keywords

Acknowledgements

The research work was funded by the Government of Karnataka (GOK) under Karnataka Council for Technological Upgradation (KCTU) research grant and KLSGIT, Belagavi. The research facilities were provided in “Additive Manufacturing and Reverse Engineering Lab” by KLSGIT, Belagavi.

Citation

Tiwary, V.K., P., A. and Malik, V.R. (2021), "An overview on joining/welding as post-processing technique to circumvent the build volume limitation of an FDM-3D printer", Rapid Prototyping Journal, Vol. 27 No. 4, pp. 808-821. https://doi.org/10.1108/RPJ-10-2020-0265

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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