A. O. Karfidov, N. A. Chichenev, M. V. Vasil’ev, O. N. Chicheneva
{"title":"Step Bending of Sheet Metal in the Manufacture of Thin-Walled Body Parts","authors":"A. O. Karfidov, N. A. Chichenev, M. V. Vasil’ev, O. N. Chicheneva","doi":"10.3103/s0967091223080090","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The issues of manufacturing thin-walled cases of small devices of small-scale or single production using stepped air bending, which uses many successive V-shaped bends to obtain a large bending radius of the workpiece, are considered. The essence of step-by-step bending technology is to replace one bend of a large radius with several bends with a smaller radius and angle. A formula is given for determining the step size (length) of a step, which is equal to the distance between two sequential bends, and represents the distance by which the sheet material must be moved after each bending step. The dependence of the bending angle on the stroke of the punch corresponding to the given bending step is given.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"14 4","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Steel in Translation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3103/s0967091223080090","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Materials Science","Score":null,"Total":0}
引用次数: 0
Abstract
The issues of manufacturing thin-walled cases of small devices of small-scale or single production using stepped air bending, which uses many successive V-shaped bends to obtain a large bending radius of the workpiece, are considered. The essence of step-by-step bending technology is to replace one bend of a large radius with several bends with a smaller radius and angle. A formula is given for determining the step size (length) of a step, which is equal to the distance between two sequential bends, and represents the distance by which the sheet material must be moved after each bending step. The dependence of the bending angle on the stroke of the punch corresponding to the given bending step is given.
期刊介绍：
Steel in Translation is a journal that represents a selection of translated articles from two Russian metallurgical journals: Stal’ and Izvestiya Vysshikh Uchebnykh Zavedenii. Chernaya Metallurgiya . Steel in Translation covers new developments in blast furnaces, steelmaking, rolled products, tubes, and metal manufacturing as well as unconventional methods of metallurgy and conservation of resources. Papers in materials science and relevant commercial applications make up a considerable portion of the journal’s contents. There is an emphasis on metal quality and cost effectiveness of metal production and treatment.
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