ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774

ANALYZING SPRINGBACK EFFECT IN SHEETMETAL PROCESS USING CAE

Abstract

Abstract: In sheet metal bending, Springback remains a key problem for the manufacture of any finished product within theallowed tolerance. In addition to geometric and material factors, the springback is also strongly impacted by the forming loadand is focused on this study. The bending process of sheet metal requires considerable rotation and strain and a largespringback due to the elastic material recovery. Therefore, a Finite Element programme based on a big deformation methodwas utilized to design a typical sheet bending process for cylindrical structure production. An in-house programme hasincluded a Total Elastic Incremental plastic (TEIP) method to manage wide deformation and elastic recovery throughout theunloading process. In addition, tests on aluminium, brass, copper and mild steel sheets have been undertaken and supportedby FEM analysis.Keywords: Advanced high strength steels (AHSS); Anisotropic nonlinear kinematic hardening model (ANK); Limiting domeheight (LDH); Finite Element Analysis (FEA).

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