A new cutting depth model with rapid calibration in abrasive water jet machining of titanium alloy

  • Van Hung Bui
  • Patrick Gilles
  • Tarek Sultan
  • Guillaume Cohen
  • Walter Rubio
ORIGINAL ARTICLE

Abstract

Titanium alloys are widely used in the aeronautical and engineering fields as they show an excellent trade-off between the mass and mechanical properties, but as hard materials, they are difficult to machine using cutting tools. The abrasive water jet affords a good solution to produce titanium parts, especially slim ones. To do so, there is a need to adopt a modelling approach for the depth milled. However, a general methodology that takes into account all the parameters leads to complex models based on a large number of experiments. The present article proposes a depth of cut model combined with a rapid calibration method. The case addressed is that of open rectangular pockets on a Ti-6AL-4V titanium alloy. The approach introduces the machine configuration notion considering that a given machine, pressure level and abrasive impose the abrasive flow rate needed in order to obtain an optimal material removal rate. For a chosen configuration, calibration of the model is performed from a series of elementary passes and just three pocket machining passes. The method is rapid and effective as the accuracy of the models obtained over a number of configurations was to within the order of 5%.

Keywords

Machining Abrasive water jet Titanium Cutting depth model 

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Copyright information

© Springer-Verlag London 2017

Authors and Affiliations

  • Van Hung Bui
    • 1
  • Patrick Gilles
    • 1
  • Tarek Sultan
    • 1
  • Guillaume Cohen
    • 1
  • Walter Rubio
    • 1
  1. 1.Institut Clément Ader (ICA), CNRS-INSA-ISAE-Mines Albi-UPSUniversité de ToulouseToulouseFrance

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