Browsing by Subject "Wear of materials"

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  • Dröder, Klaus; Karpuschewski, Bernhard; Uhlmann, Eckart; Arrabiyeh, Peter A.; Berger, Daniel; Busemann, Sarah; Hartig, Jörg; Madanchi, Nadine; Mahlfeld, Georg; Sommerfeld, Christian (Berlin : Springer, 2020)
    Milling of ferrous metals is usually performed by applying cemented carbide tools due to their high hardness, temperature and wear resistance. Recently, ceramic tool materials have been on the rise and enhanced the efficiency ...
  • Schwack, Fabian; Bader, Norbert; Leckner, Johan; Demaille, Claire; Poll, Gerhard (Amsterdam [u.a.] : Elsevier Science, 2020)
    Pitch bearings in wind turbines are affected by reciprocating motion due to pitch control. The combination of oscillating operation, high loads, and mixed lubrication often leads to wear. Grease lubricants in wind turbine ...
  • Stammler, Matthias; Thomas, Philipp; Reuter, Andreas; Schwack, Fabian; Poll, Gerhard (Chichester : John Wiley and Sons Ltd, 2019)
    The power control of wind turbines is usually realized via a change in the pitch angle of the rotor blades. Pitching facilitates the exact control of the turbines and the reliable deceleration of the rotor when required. ...
  • Grzesik, Wit; Denkena, Berend; Żak, Krzysztof; Grove, Thilo; Bergmann, Benjamin (London : Springer, 2016)
    In this paper, the contribution of tool wear to the energy balance was determined for precision hard turning using chamfered CBN cutting tools. The tool nose wear VBC and the corresponding changes of component forces Fc, ...
  • Ahrens, M.; Damm, J.; Dagen, M.; Denkena, Berend; Ortmaier, T. (Amsterdam : Elsevier BV, 2017)
    Using conventional grinding wheels, self-excited vibrations are one of the most limiting factors in terms of productivity and process stability in cylindrical plunge grinding. Depending on the dynamic behavior of the ...
  • Denkena, Berend; Grove, Thilo; Göttsching, Tim (London : Springer, 2017)
    The grinding process is still an important manufacturing process for the machining of automotive components. For power train components, ultra-high carbon steel (UHC-steel) is a promising new innovative alloy because of ...
  • Malik, I.Y.; Lorenz, U.; Chugreev, A.; Behrens, B.-A. (Bristol : Institute of Physics Publishing, 2019)
    Tools and their maintenance costs in hot forging processes account for a considerable proportion of the total components' costs. Forging tools undergo extreme heating and subsequent cooling during the forging process and ...
  • Denkena, Berend; Grove, Thilo; Krödel, Alexander (Amsterdam : Elsevier, 2016)
    Due to the rising number of car variants, the production systems in automobile industry are driven by a strong demand for flexible production processes. In the production of thin-walled workpieces, forming and cutting ...
  • Gronitzki, M.; Poll, G.W.G. (London : SAGE Publications Ltd., 2007)
    Rectangular seals - a special type of face seals - are currently used in rotating connections of automatic automotive transmissions (double clutch transmissions, continuously variable transmissions, and 6-automated ...
  • Schöler, S.; Yilkiran, D.; Wulff, D.; Özkaya, F.; Möhwald, K.; Behrens, Bernd-Arno; Maier, H.J. (Les Ulis : EDP Sciences, 2018)
    For the realization of liquid lubricant free forming processes different approaches are conceivable. The priority program 1676 "Dry forming - Sustainable production through dry machining in metal forming" addresses this ...
  • Denkena, Berend; Grove, Thilo; Krawczyk, T. (Amsterdam : Elsevier BV, 2016)
    A major goal in the design of turbomachinery is the increase of efficiency. To attain this increase, the flow losses must be reduced. A substantial proportion of the losses is generated by skin friction between compressor ...
  • Denkena, Berend; Bergmann, Benjamin; Stiehl, Tobias H. (Amsterdam : Elsevier B.V., 2020)
    The performance of a process monitoring system is determined by the information available to it. Existing methods for selecting relevant process information (features) work offline with data of faulty processes that is ...