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Analysis and Modelling of the Contact Radius Effect on the Cutting Forces in Cylindrical and Face Turning of Ti6Al4V Titanium Alloy

Communication avec acte
Auteur
DORLIN, Théo
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
FROMENTIN, Guillaume
COSTES, Jean-Philippe

URI
http://hdl.handle.net/10985/9625
DOI
10.1016/j.procir.2015.03.017
Date
2015

Résumé

Cutting forces are representative data to characterize machining operations.They have to be known to perform the part manufacturing. Therefore, cutting forces predictive models are useful and it is possible to optimize them by taking into account new parameters. Hence, this study deals with the geometrical modelling of tool-workpiece interaction and its influence on the cutting forces. The analysis focuses on convex contact radius between the machined part and the tool. Experiments are based on cylindrical and face turning of Ti6Al4V titanium alloy. The results highlight a significant influence of contact conditions on ploughing mechanisms, and consequently on the cutting forces intensity. This phenomenon is taken into account inthe suggested models, providing a better accuracy of cutting forces modelled.

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Nom:
LABOMAP_CMMO_2015_DORLIN.pdf
Taille:
638.5Ko
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  • Laboratoire des Matériaux et Procédés (LaBoMaP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Mechanistic cutting force model including the stress state induced by the chip flow contribution for cylindrical turning on Ti6Al4V alloy with two different nose radii 
    Communication avec acte
    DORLIN, Théo; FROMENTIN, Guillaume; COSTES, Jean-Philippe; KARAOUNI, Habib (2016)
    Force modelling is a major research topic in machining. Several approaches are used to face with the different needs. Mechanistic models appear to be an easier and rapid way for computing cutting forces; nevertheless they ...
  • Investigations on the flank wear and modelling of the contact radius effect in turning of Ti6Al4V titanium alloy 
    Communication avec acte
    BONO, Aurélie; DORLIN, Théo; COSTES, Jean-Philippe; FROMENTIN, Guillaume; KARAOUNI, Habib (Elsevier, 2016)
    Machining of difficult-to-cut materials like Ti6Al4V titanium alloy leads to significant flank wear on the cutting tool. In order to ensure the respect of final part specifications, flank wear has to be controlled. In ...
  • Generalised cutting force model including contact radius effect for turning operations on Ti6Al4V titanium alloy 
    Article dans une revue avec comité de lecture
    DORLIN, Théo; FROMENTIN, Guillaume; COSTES, Jean-Philippe (Springer Verlag, 2016)
    Current constraints on aeronautical parts have led to the introduction of materials like titanium alloys as well as new part geometries featuring large dimensions and reduced thickness. Inappropriate cutting forces during ...
  • Characterization of the clamping and internal residual stresses effects on the distortion of Inconel 718 parts resulting from turning 
    Communication avec acte
    ccRANCHIN, Lucas; ccVIPREY, Fabien; FROMENTIN, Guillaume; ccMONTEIRO, Eric; LORONG, Philippe; KARAOUNI, Habib; DORLIN, Théo (SSRN, 2023-12-11)
    The understanding of phenomena related to machining processesintheaerospace industry isstill the subject of study intheresearch community. This is due to the constrained geometric tolerances to ensure optimal performance ...
  • A generalised geometrical model of turning operations for cutting force modelling using edge discretisation 
    Article dans une revue avec comité de lecture
    CAMPOCASSO, Sébastien; COSTES, Jean-Philippe; FROMENTIN, Guillaume; BISSEY BRETON, Stéphanie; POULACHON, Gerard (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 ...

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