The effects of tool surface quality in micro-injection moulding

Griffiths, C.A., Dimov, S.S., Brousseau, E.B. ORCID: https://orcid.org/0000-0003-2728-3189 and Hoyle, R.T. 2007. The effects of tool surface quality in micro-injection moulding. Journal of Materials Processing Technology 189 (1-3) , pp. 418-427. 10.1016/j.jmatprotec.2007.02.022

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Abstract

Micro-injection moulding is one of the key technologies for micro-manufacture and is widely used as a cost effective replication method for mass production. The capabilities of this replication technology have to be studied systematically in order to determine the process constraints. In this research, the factors affecting the flow behaviour are discussed. A special attention is paid to the interaction between the melt flow and the tool surface. Three different polymer materials, PP, ABS and PC, were employed to perform moulding tests using cavities with the same geometry but different surface finish. The effects of the tool surface roughness on the melt flow length and part quality were investigated by varying three process parameters, melt and mould temperature, and injection speed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Elsevier
ISSN:	0924-0136
Last Modified:	10 Nov 2022 10:18
URI:	https://orca.cardiff.ac.uk/id/eprint/146385

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