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Three Dimensional Simulation of Robot path, Heat Transfer and Residual Stresses of a TIG-welded Part with Complex Geometry
University West, Department of Technology, Mathematics and Computer Science. University West, Department of Technology, Mathematics and Computer Science, Division for Mechanical Engineering.ORCID iD: 0000-0002-4329-418X
University West, Department of Technology, Mathematics and Computer Science. University West, Department of Technology, Mathematics and Computer Science, Division for Mechanical Engineering.ORCID iD: 0000-0001-7787-5444
2002 (English)In: Trends in Welding Research: Proceedings of the 6th International Conference: Phoenix, AZ, 15-19 April, 2002, 2002, p. 973-978Conference paper, Published paper (Other academic)
Abstract [en]

In this paper a system is presented that combines a robot off-line programming software with a finite element model that predicts temperature-time histories and residual stress distributions. The objective is to develop a tool for the engineer where robot trajectories and welding process parameters can be optimized on parts with complex geometry. The system was evaluated on a stainless steel gas turbine component. Robot weld paths were defined off-line and automatically downloaded to the finite element program, where transient temperatures and residual stresses were predicted. Temperature dependent properties and phase change, were included in the analysis. Assumptions and principles behind the modeling techniques are presented together with predicted temperature histories, residual stresses, and fixture forces.

Place, publisher, year, edition, pages
2002. p. 973-978
Keywords [en]
Computer aided design; Computer aided manufacturing; Computer simulation; Computer software; Computer systems; Finite element method; Gas turbines; Heat transfer; Optimization; Residual stresses; Robot programming; Stainless steel
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-2483OAI: oai:DiVA.org:hv-2483DiVA, id: diva2:320129
Available from: 2010-05-21 Created: 2010-05-21 Last updated: 2015-03-17Bibliographically approved
In thesis
1. Simulation of robotic TIG-welding
Open this publication in new window or tab >>Simulation of robotic TIG-welding
2003 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Lund: Lund Institute of Technology, 2003. p. 96
Series
Department of mechanical engineering, Lund Insititute of Technology
Keywords
Robotics, Bågsvetsning, robotteknik
National Category
Manufacturing, Surface and Joining Technology Other Engineering and Technologies not elsewhere specified
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2565 (URN)91-628-5702-9 (ISBN)
Available from: 2010-06-23 Created: 2010-06-22 Last updated: 2014-05-08Bibliographically approved

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Ericsson, MikaelNylén, Per

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