Journal of Siberian Federal University. Engineering & Technologies / Cutting of Complex- Contour Parts Made From Cellular Thin-Walled Honeycomb Structures and Determination of Their Optimal Tool Parameters and Processing Conditions

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Issue
Journal of Siberian Federal University. Engineering & Technologies. 2024 17 (1)
Authors
Pikalov, Iakov Iu.; Brungardt, Maksim V.; Saramud, Mikhail V.; Tololo, Alexandr V.; Kubrikov, Maksim V.
Contact information
Pikalov, Iakov Iu. : Reshetnev Siberian State University of Science and Technology Krasnoyarsk, Russian Federation; Brungardt, Maksim V.: Reshetnev Siberian State University of Science and Technology Krasnoyarsk, Russian Federation; ; Saramud, Mikhail V. : Reshetnev Siberian State University of Science and Technology Krasnoyarsk, Russian Federation; Tololo, Alexandr V. : Reshetnev Siberian State University of Science and Technology Krasnoyarsk, Russian Federation; Kubrikov, Maksim V. : Reshetnev Siberian State University of Science and Technology Krasnoyarsk, Russian Federation
Keywords
honeycomb blocks; plastic deformation; stress intensity; cutting; cellular structure; cutting force
Abstract

The article presents the results of the research of the cutting process of complex contour products from cellular honeycomb structures based on aluminum alloys, with a cutting tool in the form of a thin narrow blade with double-sided sharpening, reciprocating perpendicular to the wall of the honeycomb structure. The functional dependence of the cutting force and speed on the sharpening angle of the cutting tool blade and its thickness has been established. The optimal distance of the cut plane from the nodal points of the honeycomb structure is determined. The results of numerical simulation and experimental research to determine the optimal processing parameters that ensure the maximum cutting quality are presented. The reliability of the results obtained at the stage of analytical calculations and numerical simulation was confirmed experimentally by full-scale tests. As a result of the research, the optimal parameters and conditions of the cutting process were established: the thickness of the cutting tool is 0.4 mm, the sharpening angle is 20°, the speed of the tool is 5 m/s, the distance of the cut plane from the nodal point is 0.4 of the length of the cell wall. The results of the research can be used in the creation of a fundamentally new technological equipment for processing honeycomb cellular fillers, which have low manufacturability with traditional types of processing, which has found wide application in aviation and space production and makes it possible to produce complex-contour products from cellular honeycomb structures based on aluminum alloys. without additional processing, which increases its speed and reduces the cost

Pages
39–57
EDN
MYAZNK
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/152581

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