Optimization of technological parameters at discrete strengthening of steel cylindrical surfaces
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Дата
2024
Назва журналу
Номер ISSN
Назва тому
Видавець
Хмельницький національний університет
Анотація
The technologies of continuous strengthening of technological surfaces have practically exhausted their
capabilities, which calls for the creation of fundamentally new approaches. The application of the principles of
discrete-oriented strengthening of tribosystems has wide prospects for improving existing methods of
strengthening due to the selection of modes and control of the geometric structure of the surface layer. The essence
of the discrete-oriented strengthening method is the application of combined electromechanical processing and
electrocontact cementation of cylindrical surfaces. The purpose of the work is to determine the parameters of
discrete processing of cylindrical steel parts that are optimal according to the surface hardness criterion. Using the
Statistica program, a factorial experiment was implemented according to the Box-Behnken plan, and the results of
dispersion and regression analysis of the influence of processing parameters on microhardness were obtained. It
was established that the following optimal parameters of DOZ processing are necessary to achieve the maximum
values of microhardness (5950 MPa): current strength-500A, force-350 N, contact time-0.3 s.
Опис
Ключові слова
strengthening, surface, hardness, technological parameters, optimization, Statistica
Бібліографічний опис
Optimization of technological parameters at discrete strengthening of steel cylindrical surfaces / O. Dykha, V. Dytyniuk, N. Hrypynska, A. Vychavka // Problems of Tribology. – 2024. – Vol. 29, No 1/111. – Р. 45-52.