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Characterisation of demoulding parameters in micro-injection moulding

Christian Griffiths, G. Tosello, S. S. Dimov, S. G. Scholz, Andrew Rees, B. Whiteside

Microsystem Technologies, Volume: 21, Issue: 8, Pages: 1677 - 1690

Swansea University Authors: Christian Griffiths, Andrew Rees

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DOI (Published version): 10.1007/s00542-014-2269-6

Abstract

Condition monitoring of micro injection moulding is an effective way of understanding the processing effects of variable parameter settings. This paper reports an experimental study that investigates the characteristics of the demoulding behaviour in micro injection moulding (µ-IM) with a focus on t...

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Published in: Microsystem Technologies
ISSN: 0946-7076 1432-1858
Published: Springer Science and Business Media LLC 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa21332
first_indexed 2015-05-13T02:11:56Z
last_indexed 2018-02-09T04:58:46Z
id cronfa21332
recordtype SURis
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spelling 2015-05-12T14:53:59.5575826 v2 21332 2015-05-12 Characterisation of demoulding parameters in micro-injection moulding 6ec8aad26102e4a1c7b00c1832471424 Christian Griffiths Christian Griffiths true false e43e88c74976e714e1d669a898f8470d Andrew Rees Andrew Rees true false 2015-05-12 Condition monitoring of micro injection moulding is an effective way of understanding the processing effects of variable parameter settings. This paper reports an experimental study that investigates the characteristics of the demoulding behaviour in micro injection moulding (µ-IM) with a focus on the process factors that affect parts’ quality. Using a Cyclic Olefin Copolyme (COC) microfluidics demonstrator, the demoulding performance was studied as a function of four process parameters (melt temperature, mould temperature, holding pressure and injection speed), employing the design of experiment approach. The results provide empirical evidences on the effect that processing parameters have on demoulding conditions in µ-IM, and identifies combinations of parameters that can be used to achieve the optimal processing conditions in regards to demoulding behaviour of micro parts. It was concluded that there was a direct correlation between the applied pressure during part filling, holding phases and the demoulding characteristic factors of the µ-IM cycle such as ejection force, integral and time. Journal Article Microsystem Technologies 21 8 1677 1690 Springer Science and Business Media LLC 0946-7076 1432-1858 Injection Moulding, Mould Temperature, Ejection Time, Cavity Pressure, Injection Speed 31 8 2015 2015-08-31 10.1007/s00542-014-2269-6 http://dx.doi.org/10.1007/s00542-014-2269-6 COLLEGE NANME COLLEGE CODE Swansea University 2015-05-12T14:53:59.5575826 2015-05-12T14:53:59.5575826 Christian Griffiths 1 G. Tosello 2 S. S. Dimov 3 S. G. Scholz 4 Andrew Rees 5 B. Whiteside 6
title Characterisation of demoulding parameters in micro-injection moulding
spellingShingle Characterisation of demoulding parameters in micro-injection moulding
Christian Griffiths
Andrew Rees
title_short Characterisation of demoulding parameters in micro-injection moulding
title_full Characterisation of demoulding parameters in micro-injection moulding
title_fullStr Characterisation of demoulding parameters in micro-injection moulding
title_full_unstemmed Characterisation of demoulding parameters in micro-injection moulding
title_sort Characterisation of demoulding parameters in micro-injection moulding
author_id_str_mv 6ec8aad26102e4a1c7b00c1832471424
e43e88c74976e714e1d669a898f8470d
author_id_fullname_str_mv 6ec8aad26102e4a1c7b00c1832471424_***_Christian Griffiths
e43e88c74976e714e1d669a898f8470d_***_Andrew Rees
author Christian Griffiths
Andrew Rees
author2 Christian Griffiths
G. Tosello
S. S. Dimov
S. G. Scholz
Andrew Rees
B. Whiteside
format Journal article
container_title Microsystem Technologies
container_volume 21
container_issue 8
container_start_page 1677
publishDate 2015
institution Swansea University
issn 0946-7076
1432-1858
doi_str_mv 10.1007/s00542-014-2269-6
publisher Springer Science and Business Media LLC
url http://dx.doi.org/10.1007/s00542-014-2269-6
document_store_str 0
active_str 0
description Condition monitoring of micro injection moulding is an effective way of understanding the processing effects of variable parameter settings. This paper reports an experimental study that investigates the characteristics of the demoulding behaviour in micro injection moulding (µ-IM) with a focus on the process factors that affect parts’ quality. Using a Cyclic Olefin Copolyme (COC) microfluidics demonstrator, the demoulding performance was studied as a function of four process parameters (melt temperature, mould temperature, holding pressure and injection speed), employing the design of experiment approach. The results provide empirical evidences on the effect that processing parameters have on demoulding conditions in µ-IM, and identifies combinations of parameters that can be used to achieve the optimal processing conditions in regards to demoulding behaviour of micro parts. It was concluded that there was a direct correlation between the applied pressure during part filling, holding phases and the demoulding characteristic factors of the µ-IM cycle such as ejection force, integral and time.
published_date 2015-08-31T12:43:06Z
_version_ 1821318826067755008
score 11.047609

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