Санкт-Петербургский горный университет, Санкт-Петербург, Россия:

В. В. Максаров, декан механико-машиностроительного факультета, профессор, докт. техн. наук, эл. почта: maks78.54@mail.ru
Д. Д. Максимов, аспирант кафедры машиностроения, эл. почта: imwacako@gmail.com
М. С. Синюков, магистрант кафедры машиностроения, эл. почта: sms-0305@yandex.ru

Рассмотрен вопрос технологического обеспечения качества сложнопрофильных поверхностей изделий из алюминиевых сплавов и контроля качества данных поверхностей. Представлены особенности изготовления сложнопрофильных изделий. Проведен анализ негативных факторов, возникающих в процессе лезвийной обработки алюминиевых сплавов. Исследование проведено с целью разработки такого способа обработки сложнопрофильных изделий, который будет обеспечивать равномерность обработки и качество по всему профилю обрабатываемой поверхности. Объектом исследования является процесс магнитно-абразивной обработки сложнопрофильных поверхностей изделий из алюминиевых сплавов, а предметом исследования — шероховатость обработанной сложнопрофильной поверхности. Предложен способ магнитно-абразивной обработки сложнопрофильных поверхностей, при котором рабочие поверхности магнитов описывают профиль обрабатываемой поверхности. В качестве подтверждения работоспособности предлагаемого способа обработки проведено комплексное моделирование процесса магнитно-абразивной обработки. Получены результаты моделирования магнитного поля в рабочем зазоре, график распределения магнитной индукции вдоль средней линии рабочего зазора. Проведена оценка динамики магнитно-абразивной массы в процессе магнитно-абразивной обработки сложнопрофильной поверхности. Результаты проведенных исследований позволяют оценить влияние динамики магнитно-абразивной массы на шероховатость обработанной поверхности. Качество обработанной поверхности обеспечивается в необходимой мере на тех участках сложнопрофильной поверхности, где динамика магнитно-абразивной массы в процессе обработки была выше.

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