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Wolverhampton Intellectual Repository and E-Theses > School of Technology > School of Engineering and the Built Environment > Engineering and Technology > A Fast New Numerical Tool for Designing Pre-stressed Dies for Backward Extrusion: Part 1: Die Behaviour

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/29598
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Title: A Fast New Numerical Tool for Designing Pre-stressed Dies for Backward Extrusion: Part 1: Die Behaviour
Authors: Bonnavand, F.
Bramley, Alan N.
Mynors, Diane J.
Citation: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 215(2): 169-179
Publisher: Professional Engineering Publishing
Journal: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Issue Date: 2001
URI: http://hdl.handle.net/2436/29598
DOI: 10.1243/0954405011515262
Additional Links: http://journals.pepublishing.com/content/77455x52l601h416/
http://direct.bl.uk/bld/PlaceOrder.do?UIN=093822316&ETOC=RN&from=searchengine
http://www.ingentaconnect.com/content/pep/jem/2001/00000215/00000002/art00005
Abstract: Prestressed die inserts are often used in the forging of axisymmetric parts. Their use enhances overall tool economy and can enhance the quality of the finished forging. The design of tooling that incorporates prestressed die inserts is, however, complex. The complexity arises from the interrelated phenomena that occur within the dies during the forging process. As a result, it is not possible to obtain an analytical expression for critical parameters such as die stresses and deflections. This paper shows the limitations of currently used design methods, and identifies, for the backward extrusion process, which physical phenomena should be taken into account when designing prestressed tooling. (Professional Engineering Publishing)
Type: Article
Language: en
Description: Reported is an original and innovative method for the stress determination based on an analytical function of the process parameters for the backward extrusion process. Awarded the 2001 Thomas Stephen Prize by the Institution of Mechanical Engineers.
Keywords: Simulation
Engineering technology
Die design
Forging
Extrusion
Mechanical engineering
Product design
ISSN: 09544054
Appears in Collections: Engineering and Technology

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