Abstract

With the increasing demand for low-volume and customer-made products, incremental sheet metal forming (ISMF), a dieless sheet metal forming process, has become one of the leading RD then based on the fact that the energy will drive the sheet metal to attain its lowest energy position, the geometry of the final shape is derived. Then, another model is developed to predict the strain and stress distributions of the part using the inverse finite element modeling (FEM), also called the one-step FEM. Several numerical examples are provided. In the second part of the two papers, the design and the building of an incremental punching machine, as well as experiment results are given.

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