Abstract
The available cutting theory models and formulas for calculating the dimensions of contact areas on tool faces are discussed. Based on rheological properties of materials and some laws of the cutting theory, a generic mathematical model has been developed for the determination of edge buildup dimensions. The paper presents two versions of how to calculate the buildup height and edge radius depending on the dimensions of contact areas in the transient cutting mode, on the tool geometry, and material’s mechanical properties. The author provides an example of calculation of the buildup dimensions by the new formulas; the deviation of the calculated results from experimental data is within 23%, which proves the adequacy of the proposed model.
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