Investigation of Heat Distribution in Coated Indexable Tool Inserts
Article presents the results of temperature changes and heat distribution in a cemented carbide indexable tool insert with a TiAlN coating. The study presented in the article focused on heat distribution in a cutting tool–chip interface in two special cases: when a heat source is in contact with the TiAlN tool coating and when the heat source is in direct contact with a substrate plate. The thermophysical formulas were applied to both of them. The change of heat flux as a function of the distance from the heat source contact point along with experimental data was examined. The experimental data for the heat propagation in the cutting tool point have been gathered using an authors’ test stand.
KeywordsHeat distribution Tool coating Tool protection Machining
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