Development of a standalone in-situ monitoring system for defect detection in the direct metal laser sintering process.

Quinn, Paul and O'Halloran, Sinead and Ryan, Catriona and Pamell, Andrew and Lawlor, Jim and Raghavendra, Ramesh (2019) Development of a standalone in-situ monitoring system for defect detection in the direct metal laser sintering process. In: 30th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2019, 2019-08-12 - 2019-08-14.

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Abstract

Direct metal laser sintering (DMLS) is a powder bed fusion (PBF) additive manufacturing process commonly used within the medical device and aerospace industries where regulations drive the requirement for stringent quality control. Using in-situ monitoring, the identification of defects, as well as the geometric and dimensional measurement of the layers throughout the build allows for greater quality control, as well as a reduction in the requirement for ex-situ measurement. A standalone monitoring system for the EOS M280 is presented in this research, allowing for the build process to be monitored layer-by-layer. The system images the build area after powder deposition and after laser exposure allowing for the identification of inefficiencies in both the powder deposition and the laser exposure. The system has proven to be capable to identify in build defects and work is ongoing to develop an automated program to identify these defects and notify the operator in real time.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Funding Information: This publication has emanated from research supported in part by a research grant from Science Foundation Ireland (SFI) under Grant Number 16/RC/3872 and is co-funded under the European Regional Development Fund. The authors would like to thank Irish Manufacturing Research for their funding and support of this research. Publisher Copyright: © Solid Freeform Fabrication 2019: Proceedings of the 30th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2019. All rights reserved.
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/2500/2508
Departments or Groups:
Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 23:13
Last Modified:	06 Aug 2023 22:25
URI:	http://repository-testing.wit.ie/id/eprint/4743

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