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Путем анализа конструкторских решений существующих станов проектирование нового радиально- сдвигового стана.

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МРНТИ 53.01.77                                                                                        №3 (2019г.) Машеков С.А., Тусупкалиева Э.А., Нурахметова К.К., Нуртазаев А. Е., Нугман Е., Сембаев Н.С., Түкибай А.А., Бекбосынова Б.А. Предложен совмещенный с прессованием радиально-сдвиговый стан новой конструкции. Представлен анализ конструкции существующих трехвалковых винтовых илирадиально-сдвиговых станов, применяемых для изготовления бесшовных труб и прутков из металлов и сплавов. Показано, что важным условием создания надежного и долговечного радиально-сдвигового стана является разработка конструкции машин, имеющих малое по величине зазоров. Установлено, что уменьшения зазоров в узлах главной линии стана может быть достигнуто за счет применения в рабочих клетях стана радиально-сдвиговой прокатки трех валков, надежных нажимных механизмов, гидравлических прижимов, шпиндельных устройств на подшипниках качения, индивидуального привода валков. Определено влияние разворота валков на угол подачи на напряженно-деформированное состояние тяжелонагруженных элементов стана новой конструкции. Показано, что новый стан имеет достаточно высокую жесткость конструкции клетей и удовлетворяют условию прочности. В результате моделирования упругой деформации тяжелонагруженных элементов нового радиально-сдвигового стана разработаны мероприятия по их модернизации. Ключевые слова: радиально-сдвиговый стан, валки, станина, подушка, подшипники, упругая деформация, прутки, жесткость, прочность.

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Создатель : Лариса Николаевна Гребцова
Создан : 22 августа 2024

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Министерство науки и высшего образование Республики Казахстан Шаблон статьи
(Новости наука Казахстана)
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