A fast new numerical tool for designing prestressed dies for backward extrusion Part 2: numerical analysis

F Bonnavand, Alan N Bramley, D J Mynors

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The economics of forging requires tools to be designed to ensure maximum service life. Ideally, this should be achieved by determining the maximum equivalent stress experienced by tools during service. However, the determination of the maximum equivalent stress in the dies through numerical simulations is very time consuming. For the case of a backward extrusion process, this paper proposes a method for its determination that is based on an analytical function of the process parameters. This function was obtained by generating a database that includes the maximum equivalent stress for a large range of process parameters. This database was then modelled by a function determined through statistical analysis.
Original languageEnglish
Pages (from-to)181-193
Number of pages13
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Volume215
Issue number2
Publication statusPublished - 2001

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