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Identification of tool failure modes in drilling Udimet® 720 superalloy

Popa, Andreï and Baili, Maher and Dessein, Gilles and Dutilh, Vincent Identification of tool failure modes in drilling Udimet® 720 superalloy. (2011) In: International conference on structural analysis of advanced materials (ICSAAM2011), 7 September 2011 - 10 September 2011 (Sinaia, Romania).

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Official URL: http://www.scientific.net/AMR.423.128

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.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to Trans Tech Publications editor. This paper appears in the Advanced Materials Research journal, vol. 423, pp. 128-142 - DOI: 10.4028/www.scientific.net/AMR.423.128 - ISSN: 1662-8985. The definitive version is available at : http://www.scientific.net/AMR.423.128
HAL Id:hal-01005519
Audience (conference):International conference proceedings
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Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > SAFRAN (FRANCE)
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Deposited By: Maher BAILI
Deposited On:22 Apr 2013 13:16

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