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Influence of different deterministic surface texturing processes on friction and tool life for load collectives in sheet metal forming

Schumann, Philipp ; Lindner, Rik ; Groche, Peter (2023)
Influence of different deterministic surface texturing processes on friction and tool life for load collectives in sheet metal forming.
Proceedings of the Tribology International Conference 2023. Lisbon (26 - 28.04.2023)
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

Sheet metal processes such as blanking or deep drawing are usually characterized by high production volumes and dynamically stressed tools. These complex, time-variant tribological challenges can be partially mastered by tailored tool surfaces in the submillimeter range. A reduction in lubricant consumption, coefficient of friction, and an increase in service life are possible results. However, the production of textured surfaces is very challenging. Production time, the definition of texture geometry, reproducibility, and tool life for texturing processes are inhibiting factors for the introduction into industrial applications. Therefore, this study investigates the benefits of deterministic surface texturing of a typical cold-forging steel by two different texturing processes in comparison with the industrial standard of manual polishing. The resulting deterministic topography of a laser-textured surface is compared with a machine hammer-peened surface structure using a micro-tip tool. Differences in the production time, as well as the resulting surface quality, are investigated. Using a continuous strip drawing test, the microtextured tool surfaces under varying levels of surface coverage are investigated. The resulting coefficient of friction and tool lifetime for changing contact normal stresses reaching from 5 to 25 MPa are compared with an industrial polished surface. Eventually, the influence of tribological performance is evaluated. A reduction of the coefficient of friction, as well as an improvement in surface hardness due to the investigated processes, are shown.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2023
Autor(en): Schumann, Philipp ; Lindner, Rik ; Groche, Peter
Art des Eintrags: Bibliographie
Titel: Influence of different deterministic surface texturing processes on friction and tool life for load collectives in sheet metal forming
Sprache: Englisch
Publikationsjahr: 2023
Ort: Lisbon
Buchtitel: Proceedings of the Tribology International Conference 2023
Kollation: 6 Seiten
Veranstaltungstitel: Proceedings of the Tribology International Conference 2023
Veranstaltungsort: Lisbon
Veranstaltungsdatum: 26 - 28.04.2023
Kurzbeschreibung (Abstract):

Sheet metal processes such as blanking or deep drawing are usually characterized by high production volumes and dynamically stressed tools. These complex, time-variant tribological challenges can be partially mastered by tailored tool surfaces in the submillimeter range. A reduction in lubricant consumption, coefficient of friction, and an increase in service life are possible results. However, the production of textured surfaces is very challenging. Production time, the definition of texture geometry, reproducibility, and tool life for texturing processes are inhibiting factors for the introduction into industrial applications. Therefore, this study investigates the benefits of deterministic surface texturing of a typical cold-forging steel by two different texturing processes in comparison with the industrial standard of manual polishing. The resulting deterministic topography of a laser-textured surface is compared with a machine hammer-peened surface structure using a micro-tip tool. Differences in the production time, as well as the resulting surface quality, are investigated. Using a continuous strip drawing test, the microtextured tool surfaces under varying levels of surface coverage are investigated. The resulting coefficient of friction and tool lifetime for changing contact normal stresses reaching from 5 to 25 MPa are compared with an industrial polished surface. Eventually, the influence of tribological performance is evaluated. A reduction of the coefficient of friction, as well as an improvement in surface hardness due to the investigated processes, are shown.

Freie Schlagworte: sheet metal forming, surface texturing, micro dimple, friction, tool life, strip drawing, machine hammer peening
Fachbereich(e)/-gebiet(e): 16 Fachbereich Maschinenbau
16 Fachbereich Maschinenbau > Institut für Produktionstechnik und Umformmaschinen (PtU)
Hinterlegungsdatum: 19 Apr 2024 08:39
Letzte Änderung: 19 Apr 2024 08:39
PPN: 517301679
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