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Experimental Analysis and Geometrical Modeling of Cutting Conditions Effect in 5 Axis Milling with Ti6Al4V Alloy

Type
Communications avec actes
Auteur
PRAT, David
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
FROMENTIN, Guillaume
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
POULACHON, Gérard
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
DUC, Emmanuel
38952 Laboratoire de Mécanique et Ingénieries [LAMI]

URI
http://hdl.handle.net/10985/7493
Date
2012

Résumé

The 5 axis continuous milling is an advanced technique for free-form surfaces manufacturing. In finishing, this technique uses ball-end or hemispherical milling cutter. This type of operation for 5 axis milling allows the possibility to tilt the tool with two different angles. As a consequence, a mass of geometrical configurations exists and establishing accurate parameters is quite difficult to define. A geometrical model has been developed to find the effective cutting diameters and cutting speed on the cut and the finished surface. After an experimental validation, this study proposes an analysis of several 5 axis milling configurations in order to perform this technique.

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LABOMAP_HPC_2012_PRAT.pdf
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Documents liés

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  • Modeling and Analysis of Five-Axis Milling Configurations and Titanium Alloy Surface Topography 
    PRAT, David; FROMENTIN, Guillaume; POULACHON, Gérard; DUC, Emmanuel (ASME, 2016)
    Five-axis milling with a ball-end cutter is commonly used to generate a good surface finish on complex parts, such as blades or impellers made of titanium alloy. The five-axis milling cutting process is not straight forward; ...
  • Geometrical analysis of thread milling – Part 1: Evaluation of tool angles 
    FROMENTIN, Guillaume; POULACHON, Gérard (Springer-Verlag, 2010)
    Thread milling is a method which is increasingly used for machining thread. For this operation, a helical interpolation is required. Furthermore, the thread mill is a tool whose geometry is rather complex. Its envelope ...
  • Geometrical analysis of thread milling – Part 2:Calculation of uncut chip thickness 
    FROMENTIN, Guillaume; POULACHON, Gérard (Springer, 2010)
    Thread milling offers interesting possibilities for machining internal or external threads. This machining technique uses a mill with a triangular profile for metric threads and a helical interpolation strategy. Thus, the ...
  • A generalised geometrical model of turning operations for cutting force modelling using edge discretisation 
    CAMPOCASSO, Sébastien; COSTES, Jean-Philippe; FROMENTIN, Guillaume; BISSEY BRETON, Stéphanie; POULACHON, Gérard (Elsevier, 2015)
    The knowledge of cutting forces is of prime importance to ensure the success of cutting operations, the desired properties of the machined parts and therefore the functionality of the workpieces. Edge discretisation is one ...
  • Effect of rake angle on strain field during orthogonal cutting of hardened steel with c-BN tools 
    BAIZEAU, Thomas; CAMPOCASSO, Sébastien; FROMENTIN, Guillaume; ROSSI, Frédéric; POULACHON, Gérard (Elsevier, 2015)
    In the case of hard machining of steels, negative rake tools generate compressive deformation and high temperature under the cutting edge, leading to phase transformation or ”white layers”. The resulting surface integrity ...

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