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Approach of the Prediction of the Thermal Field within an element during the machining operations

Abstract : During an operation of manufacture per removal of chip, the phenomenon of cut induces thermal stresses altogether by self-heating within work material and frictions with the interface tool/element. In conventional machining, calorific energy is evacuated in the chips but also in the work material and the tool. This thermal rise in the part can lead to dilations at the origin of errors of machining and local heat treatments. The goal of this work is to set up a prediction model of the thermal field in the work material during machining. This work is carried out in the case of drilling. In a first part, several methods of calculation are used to quantify the temperature field. In a second part, the measurements taken in infra-red thermography make it possible to compare the results theoretic and the experimental values. Finally, a calorimetric approach is proposed.
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https://hal.archives-ouvertes.fr/hal-02153546
Contributor : Jean-Michel Baleynaud <>
Submitted on : Wednesday, June 12, 2019 - 12:01:45 PM
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  • HAL Id : hal-02153546, version 1

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Zuhaitz Areitio, Guillaume Cohen, Jean-Michel Baleynaud, Stéphane Segonds, Pierre Lagarrigue. Approach of the Prediction of the Thermal Field within an element during the machining operations. High Speed Machining, Sitxt International Conference. 21-22 March 2007, San Sebastián (Spain), Mar 2007, San Sebastián, Spain. ⟨hal-02153546⟩

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