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Economic production of load-bearing sheet metal parts with printed strain gages by combining forming and screen printing

Groche, Peter ; Ibis, Mesut ; Hatzfeld, Christian ; Stöckigt, Annemie ; Gerlitzky, Christiane :
Economic production of load-bearing sheet metal parts with printed strain gages by combining forming and screen printing.
In: International Journal of Material Forming, Springer Verlag, Paris
[Artikel], (2014)

Kurzbeschreibung (Abstract)

This paper demonstrates the feasibilty of combining forming and screen printing for the production of loadbearing sheet metal parts, which are able to measure strains. Therefore, two layers were printed on sheet metals prior to the forming process: a nonconductive layer as insulation and strain gages based on conductive silver ink or conductive carbon ink. Subsequent to the screen printing process, the sheets were formed in U-O-bending experiments in order to produce tube sections with electrical functionality. During the forming process, the printed strain gages were subjected to mechanical loads caused by the deformation of the material and surface stresses due to tool contact. After the forming experiments, the printed tube sections were tested in a tension and compression testing machine to prove their functionality. Although the printed strain gages were not as accurate as conventional metallic strain gages, they are significantly cheaper and sufficiently accurate for many applications with low to medium precision requirements.

Typ des Eintrags: Artikel
Erschienen: 2014
Autor(en): Groche, Peter ; Ibis, Mesut ; Hatzfeld, Christian ; Stöckigt, Annemie ; Gerlitzky, Christiane
Titel: Economic production of load-bearing sheet metal parts with printed strain gages by combining forming and screen printing
Sprache: Englisch
Kurzbeschreibung (Abstract):

This paper demonstrates the feasibilty of combining forming and screen printing for the production of loadbearing sheet metal parts, which are able to measure strains. Therefore, two layers were printed on sheet metals prior to the forming process: a nonconductive layer as insulation and strain gages based on conductive silver ink or conductive carbon ink. Subsequent to the screen printing process, the sheets were formed in U-O-bending experiments in order to produce tube sections with electrical functionality. During the forming process, the printed strain gages were subjected to mechanical loads caused by the deformation of the material and surface stresses due to tool contact. After the forming experiments, the printed tube sections were tested in a tension and compression testing machine to prove their functionality. Although the printed strain gages were not as accurate as conventional metallic strain gages, they are significantly cheaper and sufficiently accurate for many applications with low to medium precision requirements.

Titel der Zeitschrift, Zeitung oder Schriftenreihe: International Journal of Material Forming, Springer Verlag, Paris
Fachbereich(e)/-gebiet(e): Fachbereich Maschinenbau
Fachbereich Maschinenbau > Produktionstechnik und Umformmaschinen
Hinterlegungsdatum: 17 Feb 2015 11:24
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