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- Title
Integrated Tolerance and Fixture Layout Design for Compliant Sheet Metal Assemblies.
- Authors
Rezaei Aderiani, Abolfazl; Hallmann, Martin; Wärmefjord, Kristina; Schleich, Benjamin; Söderberg, Rikard; Wartzack, Sandro; Polini, Wilma
- Abstract
Featured Application: This paper addresses an industrial problem, namely geometrical variations in assemblies. Accordingly, the potential application of the findings are in the design and production of the compliant assemblies, particularly spot-welded assemblies in the automotive industries. Part tolerances and fixture layouts are two pivotal factors in the geometrical quality of a compliant assembly. The independent design and optimization of these factors for compliant assemblies have been thoroughly studied. However, this paper presents the dependency of these factors and, consequently, the demand for an integrated design of them. A method is developed in order to address this issue by utilizing compliant variation simulation tools and evolutionary optimization algorithms. Thereby, integrated and non-integrated optimization of the tolerances and fixture layouts are conducted for an industrial sample case. The objective of this optimization is defined as minimizing the production cost while fulfilling the geometrical requirements. The results evidence the superiority of the integrated approach to the non-integrated in terms of the production cost and geometrical quality of the assemblies.
- Subjects
SHEET metal; EVOLUTIONARY algorithms; SHEET metal work; INDUSTRIAL costs; MATHEMATICAL optimization; AUTOMOBILE industry
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 4, p1646
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app11041646