Abstract
This paper presents the roller hemming operation of FEE220BH sheet metal with convex edge-convex surface geometry. The investigation is focused on process parameters of bending angle and roller geometry whose effects have not been investigated in previous studies. A set of numerical simulations is designed to observe the multi response of the process parameters. The objective of the study is to determine the influences of these parameters on deformation, undesired wrinkling formation and hemming force which are directly related to the material reliability and the visual quality in the operation. The results are discussed to improve the outputs of the operation.
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