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Erschienen in:
2020 | OriginalPaper | Buchkapitel
FEM Modeling of Coated Tools to Study the Influence of Coating Thickness
verfasst von : M. Khirod Kumar, Manne Hareesh, P. Vamsi Krishna, S. Sambhu Prasad
Erschienen in: Advances in Applied Mechanical Engineering
Verlag: Springer Singapore
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Abstract
The aim of this paper is to study the performance of coated tools in machining with multilayer coatings. The coatings are made usually by using PVD or CVD techniques, and the coating material should be in such a way that it should make a very strong bond with the base material. In this paper, FEM model is developed by considering workpiece as AISI 1045 and tool as three-layered (TiC/Al2O3/TiN) coated tungsten carbide. Deform 2D software is used to simulate the model. Initially, the model is simulated at a different feed rate to observe the temperature distributions, and then, outcomes are compared with the experimental values to validate the model. After ensuring the accuracy of the developed model, the performance of tungsten carbide coated tool is studied by using this model. The influence of coating thickness is observed at the same machining conditions. Cutting forces, cutting temperature and effective strains are measured for all the combination of coatings selected in this study.