2019
DOI: 10.15407/pmach2019.03.041
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Influence of the special features of contact interaction of the thin strip with rolls on the parameters of the initial setting of the working stand and the least thickness of the rolled strip

Abstract: ОБРАБОТКА МЕТАЛЛОВ ДАВЛЕНИЕМАктуальный уровень технологии и исследований. Для производства холоднокатаного проката применяют непрерывные, а также одно-и двухклетевые реверсивные станы, оснащенные четырехшестивалковыми клетями, с длиной бочки валков 1200-2500 мм [3][4][5][6]. Подавляющее большинство из них предназначено для выпуска продукции широкого сортамента как по толщине, так и по ширине, что связано с необходимостью частого изменения начальной настройки рабочих клетей, поскольку значения параметров R/h 0 … Show more

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“…The technology for the production of thin and extra thin cold-rolled strips is distinguished by its multistage and long technological cycle, high level of technological loads, and high specific consumption of electrical energy caused by a high yield strength of the deformable metal and the features of elastic-plastic interaction of a thin strip with rolls, as well as by unresolved problems in this regard. All these factors limit the stock of products, reduce the breakdown capacity of the working stands and the efficiency of the rolling equipment [4,[7][8][9][11][12]. Particularly, the regularities have not been studied yet at the moment and the quantitative relationship between the force that acts on the rolls, the total and particular relative re ductions, and the thickness of the strip, which ensures the implementation of the cold rolling pro cess of thin and extra thin strips with the least force has not been determined.…”
mentioning
confidence: 99%
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“…The technology for the production of thin and extra thin cold-rolled strips is distinguished by its multistage and long technological cycle, high level of technological loads, and high specific consumption of electrical energy caused by a high yield strength of the deformable metal and the features of elastic-plastic interaction of a thin strip with rolls, as well as by unresolved problems in this regard. All these factors limit the stock of products, reduce the breakdown capacity of the working stands and the efficiency of the rolling equipment [4,[7][8][9][11][12]. Particularly, the regularities have not been studied yet at the moment and the quantitative relationship between the force that acts on the rolls, the total and particular relative re ductions, and the thickness of the strip, which ensures the implementation of the cold rolling pro cess of thin and extra thin strips with the least force has not been determined.…”
mentioning
confidence: 99%
“…Particularly, the regularities have not been studied yet at the moment and the quantitative relationship between the force that acts on the rolls, the total and particular relative re ductions, and the thickness of the strip, which ensures the implementation of the cold rolling pro cess of thin and extra thin strips with the least force has not been determined. This fact causes the relevance and feasibility of this research [8,9,11,12]. The goal has been achieved with the use of the apparatus of modern theory of lengthwise rolling.…”
mentioning
confidence: 99%
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