Experimental Study on Strain Variation and Thickness Distribution in Deep Drawing of Axisymmetric Components

Deep drawing process is an important sheet metal forming in which flat sheet metal had been forced through the die in association with the forward punch force and opposing blankholder force. As the blank passes through the tool set converts 2D bank into 3D cup form. The process of achieving the required diameter of the cup can be produced in single stage or multistage operation. In this study, experimental study had been conducted on single stage deep drawing process for assessment of radial strain, circumferential strain and thickness variation in aluminum alloyAA6061. Cylindrical cup deep drawing experimental tests were performed with blank of 350 mm diameter of 0.953mm thickness sheet. It has been found that deeper cups were produced by selecting the optimum design parameters and the results are in good agreement with simulation results found form literature.