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Identification of tool failure modes in drilling Udimet® 720 superalloy

Abstract : The ACCENT Project (FP7- AAT- 2007- RTD-1) will allow the European Aero Engine manufacturers to improve their competitiveness by applying adaptive control techniques to the manufacturing of their components. For the critical rotating parts of aircraft engines, the surface integrity generated after machining is a key factor on the life cycle. In this context, one particular attention has to be carried on tool condition. The aim of this paper is to identify the main failure modes characterizing this particular Nickel base drilling. By experimental techniques, cartography of failure modes was realized. The results show that flank wear and notching are the main failure modes limiting the tool life. For some cutting conditions, the tool failure arrives after the first hole due to the important cutting forces. Some interesting associations are made between the spindle current/accelerometers/ thrust force and flank wear, tool breakage and notching.
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https://hal.archives-ouvertes.fr/hal-01005519
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Submitted on : Friday, June 13, 2014 - 11:50:21 AM
Last modification on : Friday, June 13, 2014 - 1:11:35 PM
Long-term archiving on: : Tuesday, April 11, 2017 - 6:54:17 AM

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  • HAL Id : hal-01005519, version 1
  • OATAO : 8484

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Andreï Popa, Maher Baili, Gilles Dessein, Vincent Dutilh. Identification of tool failure modes in drilling Udimet® 720 superalloy. International conference on structural analysis of advanced materials (ICSAAM2011), Sep 2011, Sinaia, Romania. pp. 128-142. ⟨hal-01005519⟩

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