Experimental study and mathematical modelling of face milling forces of high-strength high-viscosity shipbuilding steel
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https://orcid.org/0009-0005-6092-1906
Michael P. Khudyakov
Northern (Arctic) Federal University named after M.V. Lomonosov, Russia
Natalya A. Kapustina
Northern (Arctic) Federal University named after M.V. Lomonosov, Russia
https://orcid.org/0000-0002-9770-771X
Abstract
Mechanical processing of hole edges in large-size hull structures of single and double curvature for welding saturation parts into them is an urgent task of shipbuilding. A considerable amount of such machining has to be performed directly on the slipway on a fully assembled structure. To perform such works non-stationary technological machining complexes are used, which have reduced rigidity in comparison with stationary equipment. The article summarizes the results of mathematical modeling of cutting forces during face milling of a workpiece made of high-strength high-viscosity shipbuilding steel. The application of high-speed face milling in order to reduce the value and non-uniformity of cutting forces is theoretically substantiated. Recommendations for selection of technological cutting modes and tool geometry are determined. The obtained experimental data confirm the possibility and expediency of high-speed face milling of hull structures made of hard-to-machine materials under conditions of a low-rigid technological system.
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