Quantitative analysis on SLS part curling using EOS P700 machine

Soe, Shwe 2012. Quantitative analysis on SLS part curling using EOS P700 machine. Journal of Materials Processing Technology 212 (11) , pp. 2433-2442. 10.1016/j.jmatprotec.2012.06.012

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Abstract

Selective laser sintering (SLS) is a thermal process and one of the main problems associated with it is “part curling”. The aim of the work is to describe the degree of curling quantitatively and to provide suggestions to minimise the curl, thereby improving the overall part quality. In order to fulfil the task a benchmark part has been designed, fabricated and measured to allow the comparison between different processing parameters, the effect of placement in different areas of the build chamber, variations due to different part geometries, the effect of applying heat insulating base and finally, the evaluation between PA (Polyamide) and GFPA (Glass-filled Polyamide) materials. In this research an EOS P700, the largest commercially available SLS machine, has been employed. The curl results extracted from a series of builds are mentioned along with build pictures. The paper discusses the full description of these comparisons and recommendations for minimising the degree of curling

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Business (Including Economics) Engineering Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC)
Subjects:	T Technology > T Technology (General)
Uncontrolled Keywords:	Additive manufacturing; Selective laser sintering; Curling; EOS P700
Publisher:	Elsevier
ISSN:	0924-0136
Last Modified:	17 Jun 2017 07:52
URI:	https://orca.cardiff.ac.uk/id/eprint/47953

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