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Computational Validation of Injection Molding Tooling by Additive Layer Manufacture to Produce EPDM Exterior Automotive Seals

I. Evans, Andrew Rees, Christian Griffiths, Rachel Johnson

Sustainable Design and Manufacturing 2020, Volume: 200, Pages: 273 - 283

Swansea University Authors: Andrew Rees, Christian Griffiths

Abstract

During the design and development of ethylene propylene diene monomer (EPDM) exterior automotive seals, prototype components can only manufactured through production tooling platforms by either injection molding or extrusion. Consequently, tooling is expensive and has long lead times. This paper inv...

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Published in: Sustainable Design and Manufacturing 2020
ISBN: 9789811581304 9789811581311
ISSN: 2190-3018 2190-3026
Published: Singapore Springer Singapore 2020
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa55388
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Abstract: During the design and development of ethylene propylene diene monomer (EPDM) exterior automotive seals, prototype components can only manufactured through production tooling platforms by either injection molding or extrusion. Consequently, tooling is expensive and has long lead times. This paper investigates whether additive layer manufacture is a viable method for producing tooling used in injection molding of exterior automotive seals in EPDM. Specifically, a novel rapid tooling is a method that combines additive layer manufacture (ALM) with epoxy reinforcement. Computational validation is performed whereby the mechanical properties of the tool are evaluated. The research has concluded that the novel tooling configuration would be suitable for prototyping purposes which would drastically reduce both costly and environmentally detrimental pre-manufacturing processes. This work has laid the foundations to implement rapid tooling technology to the injection molding of prototype EPDM parts.
Keywords: Digital manufacturing, Additive layer manufacturing, Computational modeling
College: Faculty of Science and Engineering
Start Page: 273
End Page: 283