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Quality Control in the Production Process of SMC Lightweight Material

Kraemer, Alexandra 1; Lin, Song 2; Brabandt, Daniel 1; Böhlke, Thomas 2; Lanza, Gisela 1
1 Institut für Produktionstechnik (WBK), Karlsruher Institut für Technologie (KIT)
2 Institut für Technische Mechanik (ITM), Karlsruher Institut für Technologie (KIT)


The use of sheet molding compounds (SMC) in diverse applications requires different specific material properties for each type of finished parts. These material properties have to be assured by a reliable quality control, which does not only have to be performed for the prefabricated SMC itself but also during the production process of the semi-finished material. This is of high importance because quality fluctuations and defects can already occur during the production of the semi-finished SMC. This results in high scrap rates as well as machine failure and can additionally cause further problems in the following process steps. Hence, an inline quality control can help to establish objective quality criteria for semi-finished SMC and can enable controlled and stable production processes.

Therefore, this paper deals with quality assurance in the production process of semi-finished sheet molding compounds. Air entrapping and fiber distribution are identified as two parameters that influence the quality of the semi-finished product significantly. In addition, the early detection of a pending carrier foil failure can help to establish a stable process. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000097517
Veröffentlicht am 18.05.2022
DOI: 10.1016/j.procir.2014.01.138
Zitationen: 11
Zitationen: 10
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Produktionstechnik (WBK)
Institut für Technische Mechanik (ITM)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2014
Sprache Englisch
Identifikator ISSN: 2212-8271
KITopen-ID: 1000097517
Erschienen in Procedia CIRP
Verlag Elsevier
Band 17
Seiten 772–777
Bemerkung zur Veröffentlichung Variety Management in Manufacturing : The 47th CIRP Conference on Manufacturing Systems, CMS 2014, 28 – 30 April 2014, Windsor, Ontario, Canada
Vorab online veröffentlicht am 11.07.2014
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