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Injection moulding and thermal properties of polypropylene hinges

Studies about polypropylene thermal properties have been carried out towards 2- cavities test mould of an integral hinge and tension band sample. This mould was fitted with pressure /temperature transducer and adapted with a data acquisition system. By using both injection moulding practical wo...

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主要作者: Othman, Mohd Hilmi
格式: Thesis
語言:English
出版: 2008
主題:
TP Chemical technology
TP1080-1185 Polymers and polymer manufacture
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spelling my.uthm.eprints.76762022-09-12T00:59:31Z http://eprints.uthm.edu.my/7676/ Injection moulding and thermal properties of polypropylene hinges Othman, Mohd Hilmi TP Chemical technology TP1080-1185 Polymers and polymer manufacture Studies about polypropylene thermal properties have been carried out towards 2- cavities test mould of an integral hinge and tension band sample. This mould was fitted with pressure /temperature transducer and adapted with a data acquisition system. By using both injection moulding practical work and MoldFlow Plastic Insight (MPI) simulation, the predictions and accuracy of in-mould temperature have been carried out with different settings of processing parameters such as screw speed, shot size, mould temperature and barrel temperature profile. These thermal properties analysis were very important in order to produce optimum processing parameters and a better quality with longer life span of hinges and tension band which are widely applied to product packaging. The analysis of results showed that the measured in-mould temperature during injection moulding practical produced the correct trend as referred to the rheological theories of polypropylene. Through simulation process, MPI has predicted the same trend and slightly similar in-mould temperatures as compared with data acquisition from injection moulding practical work. For additional findings, the shot size of sample can be minimised, with the elimination of second screw speed during packing time. This reduction may helps to accelerate injection cycle time and reduced material consumption. Finally, the optimum process parameter settings for hinge and tension band sample have been rectified and verified by both simulation and practical work. It is proven that simulation prediction able to produce beneficial results which may contribute to make improvements in terms of numbers of trials and procedures, times / power / energy consumption and type of materials which have been used during hinge and tension band design and production. 2008-09 Thesis NonPeerReviewed text en http://eprints.uthm.edu.my/7676/1/24p%20MOHD%20HILMI%20OTHMAN.pdf Othman, Mohd Hilmi (2008) Injection moulding and thermal properties of polypropylene hinges. Masters thesis, Loughborough University.
institution Universiti Tun Hussein Onn Malaysia
building UTHM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tun Hussein Onn Malaysia
content_source UTHM Institutional Repository
url_provider http://eprints.uthm.edu.my/
language English
topic TP Chemical technology
TP1080-1185 Polymers and polymer manufacture
spellingShingle TP Chemical technology
TP1080-1185 Polymers and polymer manufacture
Othman, Mohd Hilmi
Injection moulding and thermal properties of polypropylene hinges
description Studies about polypropylene thermal properties have been carried out towards 2- cavities test mould of an integral hinge and tension band sample. This mould was fitted with pressure /temperature transducer and adapted with a data acquisition system. By using both injection moulding practical work and MoldFlow Plastic Insight (MPI) simulation, the predictions and accuracy of in-mould temperature have been carried out with different settings of processing parameters such as screw speed, shot size, mould temperature and barrel temperature profile. These thermal properties analysis were very important in order to produce optimum processing parameters and a better quality with longer life span of hinges and tension band which are widely applied to product packaging. The analysis of results showed that the measured in-mould temperature during injection moulding practical produced the correct trend as referred to the rheological theories of polypropylene. Through simulation process, MPI has predicted the same trend and slightly similar in-mould temperatures as compared with data acquisition from injection moulding practical work. For additional findings, the shot size of sample can be minimised, with the elimination of second screw speed during packing time. This reduction may helps to accelerate injection cycle time and reduced material consumption. Finally, the optimum process parameter settings for hinge and tension band sample have been rectified and verified by both simulation and practical work. It is proven that simulation prediction able to produce beneficial results which may contribute to make improvements in terms of numbers of trials and procedures, times / power / energy consumption and type of materials which have been used during hinge and tension band design and production.
format Thesis
author Othman, Mohd Hilmi
author_facet Othman, Mohd Hilmi
author_sort Othman, Mohd Hilmi
title Injection moulding and thermal properties of polypropylene hinges
title_short Injection moulding and thermal properties of polypropylene hinges
title_full Injection moulding and thermal properties of polypropylene hinges
title_fullStr Injection moulding and thermal properties of polypropylene hinges
title_full_unstemmed Injection moulding and thermal properties of polypropylene hinges
title_sort injection moulding and thermal properties of polypropylene hinges
publishDate 2008
url http://eprints.uthm.edu.my/7676/1/24p%20MOHD%20HILMI%20OTHMAN.pdf
http://eprints.uthm.edu.my/7676/
_version_ 1744355847526416384
score 13.251813

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