Череповецкий государственный университет, Череповец, Россия

А. В. Кожевников, заведующий кафедрой электроэнергетики и электротехники, докт. техн. наук, доцент

И. А. Кожевникова, заведующая кафедрой металлургии, машиностроения и технологического оборудования, докт. техн. наук, доцент

Университет науки и технологий МИСИС, Москва, Россия
М. М. Скрипаленко, доцент, канд. техн. наук, эл. почта: mms@misis.ru
М. Н. Скрипаленко, доцент, эксперт научного проекта, канд. техн. наук. эл. почта: tfsmn@yandex.ru

Проведен обзор исследований в области процессов дрессировки. Одна из наиболее частых задач — оценка влияния шероховатости валка на формирование шероховатости дрессируемой полосы. При этом используют различные показатели, определяемые через шероховатость полосы до и после дрессировки, шероховатость валка. Шероховатость полосы можно формировать регулировкой различных параметров, например степенью деформации, натяжением, направлением разматывания рулонов, коэффициентом напряженного состояния и др. Актуальным при дрессировке является оценка свойств материала получаемой полосы. Предложен параметр, расчет которого позволяет оценить возможность устранения площадки текучести материала полосы после дрессировки. При этом определены пределы обжатий при дрессировке, гарантирующие устранение площадки текучести. Дрессировка может также влиять на изменение коррозионной стойкости и уровня магнитных свойств. При исследовании процессов дрессировки эффективны методы математического и компьютерного моделирования с использованием вычислительных сред конечно-элементного анализа. Например, по результатам математического моделирования можно повысить точность расчетов энергосиловых параметров дрессировки, а также спрогнозировать шероховатость полосы после дрессировки. Отмечено, что конечно-элементное компьютерное моделирование процессов дрессировки позволяет получать результаты, отличающиеся от полученных экспериментально не более чем на 10 %. Конечно-элементное компьютерное моделирование дает возможность оценки изменения параметров напряженно-деформированного состояния полосы при изменении различных параметров дрессировки. При использовании конечно-элементного компьютерного моделирования возможно учесть шероховатость исходной полосы и валков, при этом профиль валка и поверхность полосы описываются тригонометрическими функциями.

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