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Finite Element Analysis of cold pilgering using elastic roll dies
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
Sandvik Materials Technology, R&D, Sandviken.
Sandvik Materials Technology, R&D, Sandviken.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.ORCID iD: 0000-0002-2544-9168
2017 (English)In: Procedia Engineering, ISSN 1877-7058, E-ISSN 1877-7058Article in journal (Refereed) In press
Place, publisher, year, edition, pages
2017.
Keyword [en]
cold pilgering; cold forming; tube forming; roll flattening; contact length; roll separating force; finite element method; tool elasticity; tube dimension
National Category
Applied Mechanics Other Materials Engineering
Research subject
Material Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-62938OAI: oai:DiVA.org:ltu-62938DiVA: diva2:1087519
Conference
International Conference on the Technology of Plasticity, ICTP 2017, Cambridge, United Kingdom, 17-22 September 2017
Available from: 2017-04-07 Created: 2017-04-07 Last updated: 2017-09-15
In thesis
1. Modeling of Cold Pilgering of Tubes
Open this publication in new window or tab >>Modeling of Cold Pilgering of Tubes
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Cold pilgering is a challenging tube forming process in terms of modeling due to the complexity in kinematic of tools, friction condition and material behavior. The process development has mostly been based on simple formulas and costly full-scale tryouts. The aim in this study is to develop validated Finite element models of cold pilgering to increase the understanding of influence of the process parameters on the produced tubes.

In the course of this thesis, three-dimensional mechanical and thermo-mechanical Finite element models of cold pilgering were developed. The commercial code MSC.Marc was used in the simulations. General 3D models are needed to be able to capture asymmetric deformation in cold pilgering. It was found that tool deflections together with elastic deformation of roll dies have considerable influence on the rolling force. Furthermore, the strain rate and temperature effects on the response of the material and thereby on the rolling force were evaluated.

Place, publisher, year, edition, pages
Luleå: Luleå university of technology, 2017
Series
Licentiate thesis / Luleå University of Technology, ISSN 1402-1757
Keyword
Cold pilgering, finite element method, tube forming, tool elasticity, roll flattening
National Category
Mechanical Engineering
Research subject
Material Mechanics
Identifiers
urn:nbn:se:ltu:diva-62941 (URN)978-91-7583-872-4 (ISBN)978-91-7583-873-1 (ISBN)
Presentation
2017-05-31, E130, Luleå tekniska universitet, Luleå, 10:00 (English)
Opponent
Supervisors
Available from: 2017-04-12 Created: 2017-04-07 Last updated: 2017-05-16Bibliographically approved

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