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Three dimensional simulation of robot path, heat transfer and residual stresses of a welded part with complex geometry
University West, Department of Technology, Mathematics and Computer Science.ORCID iD: 0000-0002-4329-418X
University West, Department of Technology, Mathematics and Computer Science.ORCID iD: 0000-0001-7787-5444
2005 (English)In: International jourrnal for the joining of materials, ISSN 0905-6866, Vol. 17, no 2, p. 42-51Article in journal (Refereed) Published
Abstract [en]

In this article a simulation system is presented that combines computer aided robotics software used to define the welding operation, with a finite element model that predicts temperature-time histories and residual stress distributions for welding applications. The objective is to develop a tool for engineering processes in which robot trajectories and welding process parameters can be optimized off-line on parts with complex geometries. The system was evaluated on a stainless steel gas turbine component. Temperature dependent properties and phase change were included in the analysis. The turbine component was welded using an in-house TIG welding cell. The assumptions and principles that underpin the modeling techniques are presented together with predicted temperature histories, residual stresses, and fixture forces. Predicted residual stresses were compared with neutron diffraction measurements.

Place, publisher, year, edition, pages
2005. Vol. 17, no 2, p. 42-51
Keywords [en]
Finite element analysis; Off-line programming; Residual stress measurments: Computer aided engineering; Computer programming; Computer simulation; Computer software; Finite element method; Fixtures (tooling); Heat transfer; Mathematical models; Residual stresses; Stainless steel; Welding
National Category
Manufacturing, Surface and Joining Technology Other Engineering and Technologies not elsewhere specified
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-2570OAI: oai:DiVA.org:hv-2570DiVA, id: diva2:326628
Available from: 2010-06-23 Created: 2010-06-23 Last updated: 2015-03-17Bibliographically approved
In thesis
1. Simulation fo Robot Paths and Heat Effects in Welding
Open this publication in new window or tab >>Simulation fo Robot Paths and Heat Effects in Welding
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Trollhättan: Högskolan Väst, 2006. p. 160
Keywords
Robotics, Svetsning, robotteknik
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2575 (URN)91-628-6869-1 (ISBN)978-91-628-6869-7 (ISBN)
Note
Diss. Lund : Lunds universitet, 2006Available from: 2010-06-30 Created: 2010-06-24 Last updated: 2014-05-08Bibliographically approved

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Ericsson, MikaelNylén, Per

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