Thermal finite-difference modeling of machining operations in polymers

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TitreThermal finite-difference modeling of machining operations in polymers
Type de publicationConference Paper
Year of Publication2016
AuteursRossi F, Baizeau T, Moureaux C
EditorWertheim R, Ihlefeldt S, Hochmuth C, Putz M
Conference Name7TH HPC 2016 - CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING
PublisherCIRP
Conference LocationSARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Mots-clésMeasurement, simulation, Temperature
Résumé

Polymer materials are known to be easily damaged by temperature reached during machining operations. A two-dimensional finite-difference model is established to predict the temperature in orthogonal cutting. Calculations are validated with experiments carried out on polyurethane samples with various cutting speeds and depths of cut. The cutting temperatures are measured by thermocouples embedded within the workpiece and the tool cutting edge. The model provides a three dimensional thermal field of the workpiece with an accuracy of 20 K. (C) 2016 The Authors. Published by Elsevier B.V

DOI10.1016/j.procir.2016.04.017