Технологическое оборудование, оснастка и инструменты ____________________________________________________________________ 51 THE TECHNICAL CHARACTERISTICS DETERMINATION OF THE MACHINE TOOL COMPLEX MAIN MOTION DRIVE, WHICH COMBINES PLASMA TREATMENT AND TURNING Zverev E.A., Ph.D. (Engineering), Associate Professor, e-mail: egor_z@ngs.ru Vakhrushev N.V., Senior Lecturer, e-mail: vah_nikit@mail.ru Titova K.A., Senior Lecturer, e-mail: krispars@yandex.ru Dmitruk A.V., Graduate student, e-mail: dmandvl@yandex.ru Novosibirsk State Technical University, 20 Prospect K. Marksa, Novosibirsk, 630073, Russian Federation Abstract The problem of determining the technical characteristics for equipment of a combined type on the example of a machine tool complex that combines turning and plasma spraying of wear-resistant coatings is considered in the paper. The method for determining the boundary values of technical characteristics for the main motion drive of the combined machine tool complex is proposed. According to the method, the formation of the resulting distribution occurs by adding elementary functions that take into account the product of the corresponding probabilities, and the boundary values are set based on the local extreme sections of the curvilinear graph, which describes the second derivative of the resulting distribution function. The solution to the problem of predicting technical characteristics using the example of manufacturing parts of the “rolling mill shaft”-type is presented. The differential graphical dependences of the final distribution functions for the spindle speed, turning torque and effective power, which display the distribution area of each performance characteristic are obtained. Keywords Technical characteristics, mathematic simulation, plasma spraying, combined treatment, machine tool complex, operation consolidation. This research was funded by Russian Science Foundation project N 23-29-00945, https://rscf.ru/en/project/23-2900945/ Актуальные проблемы в машиностроении. Том 10. № 3-4. 2023
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