The forming of sheet metal in a desired and attractive shape is a process that\nrequires an understanding of materials, mechanics and manufacturing principles.\nManufacturing a consistent sheet metal component is challenging due\nto the nonlinear interactions of various material and process parameters. One\nof the major issues in the manufacturing of inconsistent sheet metal parts is\nspringback. Springback is the elastic strain recovery in the material after the\ntooling is removed and the final shape of the product depends on the springback\namount formed. In this study according to the result of simulation the\ninverted compensation method is adopted to optimize die surface design. Similarly,\nto predict and compensate the springback error this study presented\nan analytical approach of forming process in a stepwise modification of the\nautomobile roof panel. Moreover, based on Dynaform and finite element\nanalysis of sheet metal stamping simulation the sprinback in automobile roof\npanel is predicted and compensated. In addition, this study examines the significant\nrequirements of the sheet metal forming precision of automobile\nbody and the simulation of forming, stamping and springback of automobile\nroof panel is carried out, and the result of simulation also is analyzed.
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