mirtrМир транспортаWorld of Transport and Transportation1992-3252Russian University of Transport (RUT)mirtr-219Research ArticleНАУКА И ТЕХНИКАSCIENCE AND ENGINEERINGРежимы обработки профиля поверхности катания колесных пар метровагоновPROCESSING MODES OF THREAD SURFACE PROFILE OF METRO CARS’ WHEELSETSИвановИ. А.IvanovI. A.

доктор технических наук, профессор

D.Sc. (Eng.), professor at the department of Metals and technology at the faculty of Transport and energy systems

ivanov_1_7@mail.ruУрушевС. В.PotakhovD. A.

доктор технических наук, профессор

Ph.D. student at the department of Metals and technology at the faculty of Transport and energy systems

ktehmet@pgups.eduПотаховД. А.UrushevS. V.

аспирант

D.Sc. (Eng.), professor, head of the department of Metals and technology at the faculty of Transport and energy systems

demon_511@inbox.ruПетербургский государственный университет путей сообщения (ПГУПС), Санкт-Петербург, РоссияРоссияPetersburg State Transport University, St. Petersburg, RussiaRussian FederationПГУПС, Санкт-Петербург, РоссияРоссияPetersburg State Transport University, St. Petersburg, RussiaRussian Federation201528062015133 (58)8293Copyright © Иванов И.А., Урушев С.В., Потахов Д.А., 20152015Иванов И.А., Урушев С.В., Потахов Д.А.Ivanov I.A., Potakhov D.A., Urushev S.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://mirtr.elpub.ru/jour/article/view/219

Рационализация процесса восстановления профиля поверхности катания колесных пар за счет использования критерия «оптимальной температуры резания», введенного проф. А. Д. Макаровым. Работа инструмента в таком режиме обеспечивает ему наибольшую размерную стойкость (долговечность) и требуемую скорость обработки металла. При этом фигурируют метод подобия, теплофизический и термомеханический подходы, а также метод линейного программирования. Экспериментально выявлено, что с помощью метода подобия рассчитываются режимы, позволяющие не только улучшить свойства режущего инструмента и добиться удовлетворительного стружкообразования, но и продлить эксплуатационный ресурс колёс метровагона.

The rationalization of recovery modes of thread surface profile of wheel sets due to the use of a criterion «optimal cutting temperature», introduced by professor A. D. Makarov is shown. The work of a tool in this mode provides its maximum dimensional stability (durability) and required speed of metal processing. This process involves similarity method, thermophysical and thermomechanical approaches, as well as a method of linear programming. It was experimentally found that using similarity method, it is possible to calculate processing modes, which not only improve the features of a cutting tool and provide satisfactory chip formation, but also extend service life of wheels of metr o cars.

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The authors declare that there are no conflicts of interest present.