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Bücher Wissen & Bildung Englische Bücher Naturwissenschaft, Medizin, Informatik, Technik Technik Maschinenbau & Fertigungstechnik Erhöhung der Werkzeugstandzeiten für Feinschneidoperationen durch optimierte Werkzeugstähle und Beschichtungen
Derzeit nicht verfügbar
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21 Tage Widerrufsrecht
Erhöhung der Werkzeugstandzeiten für Feinschneidoperationen durch optimierte Werkzeugstähle und Beschichtungen
Dirk Landgrebe, Matthias Demmler, Günter Bräuer, Martin Weber, Hermann Derache, Guy Claus (Broschiert, Englisch)
Optischer Zustand
Beschreibung
In order to improve the lifetime of blanking tools, the application of high quality steel, heat
treatment and coatings has become an interesting issue for many European companies
dealing with stamping, punching and blanking operations. Important trends such as longer
life time, higher accuracy and higher complexity of the products are challenging and require
more special materials and techniques.… The technological solutions to improve the existing processes are not obvious because of
the amount of possibilities in available materials, heat and surface treatments for the envisaged
industrial processes and applications. An in-depth research to understand the manufacturing
processes with the consequence of an increased performance and lifetime of the
tools as well as the opportunity of further optimization was the main goal of this project.
However, the ever increasing production rate and the use of high strength steel sheet can
induce problems in the wear and fracture behavior of blanking tools with low lifetimes as a
consequence. This project studied the tribological synergy of the substrate-heat treatmentsurface
relationship and their influence on life-time in heavy load conditions.
The project shows some specials regarding the conventional tool making. Many influences
in the mechanical treatment of different tool materials can support the live time or can lead
to very bad cutting results, that means for example you have loose particles or bad polished
and compacted surfaces.
A preliminary study was performed on the cutting edges of special designed triangular
punches made of several high alloyed steels which were heat treated in a conventional way
and by deep cryogenic treatment after quenching. The influence of additional plasmanitriding
treatments and coatings were investigated. After the research some demonstration tools
were tested in industrial conditions to show the feasibility of certain selected combinations.
From results of the preliminary study it can be concluded that all the selected steel substrates
performed well during blanking operations. The best results were found with the
Vanadis 4e and 23 steel. A special coating could improve the adhesive wear of the reference
steel 1.2379. In case of the PM steels the use of a coating is optional. Furthermore
DCT treatment could improve the flaking and wear behaviour in both the lab scale and industrial
tests. The surface preparation after EDM is found to have an important positive
influence on the wear especially when the surface is blast and polished. The industrial
blanking tests confirm the positive contribution of DCT on several sheet materials.
The goals of the project were achieved. Dieses Produkt haben wir gerade leider nicht auf Lager.
Handgeprüfte Gebrauchtware
Bis zu 50 % günstiger als neu
21 Tage Widerrufsrecht
Technische Daten
Erscheinungsdatum
08.07.2016
Sprache
Englisch
EAN
9783867764889
Herausgeber
Europäische Forschungsgesellschaft für Blechverarbeitung e.V. (EFB)
Serien- oder Bandtitel
EFB-Forschungsbericht
Sonderedition
Nein
Autor
Dirk Landgrebe, Matthias Demmler, Günter Bräuer, Martin Weber, Hermann Derache, Guy Claus
Seitenanzahl
90
Auflage
1
Einbandart
Broschiert
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