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Sources of Variation Analysis in Fixtures for Sheet Metal Assembly Process
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.
Chalmers University of Technology, Sweden.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0002-1547-4386
Volvo Car Corporation Manufacturing Engineering, Sweden.
Vise andre og tillknytning
2016 (engelsk)Inngår i: Swedish Production Symposium 2016 SPS 2016, 2016Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The assembly quality is affected by various factors within which fixture variations are the most important. For that reason significant research on fixture variations has already been done. In this work we propose a linear mixed models (LMMs) application for the purpose of analyzing sources of variation in the fixture Objective: To estimate the strength of influences of different sources of variation on the control and assembly fixtures. The variables considered are: time, operator, default pin positions, shifts from the default pin positions . Methods: The data was collected through assembly and measurement for repeatability and experimental corrective actions. We use LMMs to model the relation between features measured on the assembled parts and the input variables of interest. The LMMs allow taking into account the correlation of observations contained in the dataset. We also use graphical data presentation methods to explore the data. Results: The expected results are the strengths of influences of the individual variables considered, and the pairwise interactions of between the variables, on the assembled parts variations.

sted, utgiver, år, opplag, sider
2016.
Emneord [en]
Quality Control, Assembly Processes
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-37073OAI: oai:DiVA.org:mdh-37073DiVA, id: diva2:1152929
Konferanse
Swedish Production Symposium 2016 SPS 2016, 25 Oct 2016, Lund, Sweden
Prosjekter
AproC, Automated Process ControlTilgjengelig fra: 2017-10-26 Laget: 2017-10-26 Sist oppdatert: 2017-10-26bibliografisk kontrollert

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Tomasic, IvanRahman, HamidurFunk, Peter

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