Scientific journal
Scientific Review. Technical science
ISSN 2500-0799
ПИ №ФС77-57440

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ON DETERMINATION OF RATIONAL FORMS OF CUTTING END OF CUTOFF TOOLS

Mokhovikov А.А. 1 Korchuganov S.V. 1
1 Yurga Institute of Technology of National Research Tomsk Polytechnic University
Analytical review on the definition of rational form of the cutting end of cutoff tools. The features of the design, working conditions and the main reasons for the loss of performance of this group of instruments are revealed. It is shown that the shape of the cutting end of the tool has a significant impact on its strength and nature of the deflected mode in cutting. The existing methods of determining the deflected mode of the blade ends of the edge tools. The advantages and disadvantages of analytical and numerical methods for determining the deflected mode. Solving the problem of determining the body shape of optimal strength of the cutting part is possible on the basis of analytic forms. A principle of equal strength meaning the same tensile stress at any point to the front surface should be present, with a value is lower than the tensile strength of the tool material is offered as a criterion for strength optimality.