Department of Manufacturing Engineering
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Browsing Department of Manufacturing Engineering by Author "Billur, Eren"
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Item DESIGN AND IMPLEMENTATION OF AN INCREMENTAL SHEET FORMING PROCESS FOR BENDING OF HIGH STRENGTH THICK STEEL SHEETS(2022-02-24) Çetin, Barış; Billur, Eren; Baranoğlu, BesimAs a specific section of armored combat vehichle industry, hull production, for many case, has a production step for bending of ultra high strength steels (UHSS). This bending operation is generally performed by means of high tonnage press brakes in air bending condition. The steels in hull production have very high tensile strengtht values compared to conventional mild steel such as 1250 MPa or even higher. These strength levels absolutely require high bending forces, undoubtfully. On the other hand, incremental sheet forming process has been recently implemented in metal forming industry which is mainly based on the gradual and local excitation of plastic deformation. This new generation technique has some advantages such as increasing the formability, eliminating the complex tool requirements and reducing the form ing forces reasonably. In this study, basically the potential of incremental forming process in force reduction is investigated. A new incremental bending process is pro posed, simulated and experimentally verified within the scope of the study. Through the wide range of data obtained from the simulation and experimental efforts, some optimization could also be conducted on the process parameters. Briefly, the results of the incremental bending of UHSS plates are compared with the conventional air bending operation.