COMPUTATIONAL AND ANALYTICAL MODELS OF THE MAJOR TYPES OF CUTTING TOOL FAILURE

Authors

DOI:

https://doi.org/10.20998/2078-7405.2025.102.04

Keywords:

reliability, tool wear, fatigue, heavy engineering, cutting, adhesive wear, thermomechanical load, plastic deformation, cutting edge

Abstract

The paper presents analytical and numerical models for assessing the reliability of cutting tools used in the processing of critical parts for the defence and energy industries. The criteria of boundary wear on the back and front surfaces, possible fatigue failure and plastic deformation of the cutting edge are taken into account. Analytical dependencies have been constructed to calculate the number of parts that can be machined before tool failure, taking into account the physical and mechanical characteristics of the tool and processed materials, technological modes and thermal loading conditions. The results allow for the selection of tools and cutting parameters based on increased reliability and process optimisation. These mathematical dependencies make it possible to take into account the predominant type of cutting tool wear, which is especially important when working with large parts on heavy machine tools. The results of the study are of practical importance for industry, as they allow to increase the stability and productivity of technological processes.

Author Biographies

Klymenko Galyna, Donbass State Engineering Academy Kramatorsk, Ukraine

D. of Techn. Sc., Professor, Department of Automation of Production Processes, Donbass State Engineering Academy, Kramatorsk, Ukraine

Kovalov Viktor, Donbass State Engineering Academy Kramatorsk, Ukraine

Doct. of Techn. Sc., Professor, Rector, Donbass State Engineering Academy, Kramatorsk, Ukraine

Vasylchenko Yana , Donbass State Engineering Academy, Kramatorsk, Ukraine

D. of Techn. Sc., Professor, Head of department of Computerized Mechatronic Systems, Tools and Technologies, Donbass State Engineering Academy, Kramatorsk, Ukraine

Shapovalov Maksym, Donbass State Engineering Academy, Kramatorsk, Ukraine

Candidate of Technical Sciences, Associate Professor, Department of Computerized Mechatronic Systems, Tools and Technologies, Donbass State Engineering Academy, Kramatorsk, Ukraine

Grygorenko Dmytro, Donbass State Engineering Academy, Kramatorsk, Ukraine

Postgraduate student of the Department of Computerized Mechatronic Systems, Tools and Technologies, Donbass State Engineering Academy, Kramatorsk, Ukraine

References

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V.Kovalov, G. Klymenko, Y. Vasylchenko, M. Shapovalov, A. Sherbakova, A. Kovalenko Methods of increasing reliability of cutting tools for heavy machine tools.Procedia Structural Integrity2024. Volume 59 https://doi.org/10.1016/j.prostr.2024.04.111

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Published

2025-06-20

Issue

No. 102 (2025): Cutting and Tools in Technological Systems

Section

Mechanical processing of materials, the theory of cutting materials, mathematical and computer simulation of machining p

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