Fraunhofer Project Center for Coatings in Manufacturing PCCM

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  • Publication
    Effect of cutting edge preparation of coated tools on their performance in milling various materials
    ( 2014)
    Bouzakis, K.D.
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    Bouzakis, E.
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    Kombogiannis, S.
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    Makrimallakis, S.
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    Skordaris, G.
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    Michailidis, N.
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    Charalampous, P.
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    Paraskevopoulou, R.
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    M'Saoubi, R.
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    Aurich, J.C.
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    Barthelmä, F.
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    Biermann, D.
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    Denkena, B.
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    Dimitrov, D.
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    Engin, S.
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    Karpuschewski, B.
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    Klocke, F.
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    Özel, T.
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    Poulachon, G.
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    Rech, J.
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    Schulze, V.
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    Settineri, L.
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    Srivastava, A.
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    Wegener, K.
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    Uhlmann, E.
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    Zeman, P.
    The cutting edges of coated tools are commonly treated in separate production steps during tool manufacturing. Various methods can be employed, focusing on the cutting edge strengthening by its rounding or by more complicated geometries including chamfer and optimized tool wedge radius and angles. The efficiency of diverse cutting edge preparations on the wear behaviour of coated tools, in milling different materials, was investigated in the framework of a cooperative project of the Scientific Committee "Cutting" of the International Academy for Production Engineering (CIRP). In this activity twenty academic and industrial partners were involved according to a predefined project plan.
  • Publication
    Predictive model of tool wear in milling with coated tools integrated into a CAM system
    ( 2013)
    Bouzakis, K.D.
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    Paraskevopoulou, R.
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    Katirtzoglou, G.
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    Makrimallakis, S.
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    Bouzakis, E.
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    Efstathiou, K.
    The coated tool wear evolution in milling at constant cutting conditions can be described analytically based among other factors on the cutting edge entry impact duration. A tool wear predictive mathematical model for milling parts of complicated geometry was created employing this methodology and a commercial CAM system. Parameters of the developed model were determined based on experimental results. In this way, the expected tool wear growth during numerically controlled milling can be estimated, considering the cutting penetrations along the tool paths, the process up or down kinematic and other factors. The application of the introduced model is demonstrated through appropriate examples. (C) 2013 CIRP.