A model of the injection moulding process

J. Whale; N. Fowkes; G. Hocking; D. Hill

doi:10.1017/S0334270000007530

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A model of the injection moulding process

Journal article

Open access

Peer reviewed

A model of the injection moulding process

J. Whale, N. Fowkes, G. Hocking and D. Hill

The Journal of the Australian Mathematical Society. Series B. Applied Mathematics, Vol.37(1), pp.1-15

1995

DOI: https://doi.org/10.1017/S0334270000007530

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Abstract

This paper is concerned with the injection moulding process, in which hot molten plastic is injected under high pressure into a thin cold mould. Assuming that the velocity and temperature profiles across the mould maintain their shape, a simple steady state model to describe the behaviour of a Newtonian fluid during the filling stage is developed. Various phenomena of the process are examined, including the formation of a layer of solid plastic along the walls of the mould, and the relationship between the flux of liquid plastic through the mould and the average pressure gradient along the mould. In any given situation, it is shown that there is a range of pressures and injection temperatures which will give satisfactory results.

Details

Title: A model of the injection moulding process
Authors/Creators: J. Whale (Author/Creator)
N. Fowkes (Author/Creator) - The University of Western Australia
G. Hocking (Author/Creator) - Murdoch University
D. Hill (Author/Creator) - The University of Western Australia
Publication Details: The Journal of the Australian Mathematical Society. Series B. Applied Mathematics, Vol.37(1), pp.1-15
Publisher: Australian Mathematical Society
Identifiers: 991005541462107891
Copyright: © Australian Mathematical Society
Murdoch Affiliation: School of Mathematical and Physical Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.39 Polymer Science; 2.39.1844 Injection Molding
Web Of Science research areas: Mathematics, Applied
ESI research areas: Mathematics