Abstract
Abstract Spring-back is one of the key factor that effects the shape of a sheet metal component to maintain its geometry. Finite Element (FE) analysis has been widely used in sheet metal manufacturing industries to avoid tedious experimental trials. However, spring-back differs significantly based on different process parameters that are used in sheet metal forming processes. In this work, essential process parameters such as temperature, holding time and punch speed are considered in order to study the effect of spring back in a V bending process on Ti-6Al-4V alloy. FE simulations have been carried out using ABAQUS/CAE software. The input material properties for performing FE simulations has been taken from the conducted uniaxial tensile tests. For validation of FE simulations, V bending experiments have also been conducted at room temperature and 700℃. The results reveal that the temperature has a major influence in reducing the spring back effect. Therefore, high temperature and punch speed would be an excellent combination for reducing spring back in a V bending process on Ti-6Al-4V alloy.
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