Incremental forming process, in all its variants, results to be ideal when flexibility is required, especially for small-batch and customized production. Two point incremental forming with partial die (TPIF) presents notable advantages compared to single point incremental forming (SPIF) for obtaining components that present both concave and convex zones; on the other hand, these advantages are not so evident in the case of simple geometries. The following study compares the two techniques by geometrical considerations, FEM analyses and experimental evaluations. Cone frusta are obtained starting from aluminum alloy sheets and features like geometric accuracy, forming and setup times, forming forces and deformative states are investigated, in order to highlight differences and similarities between the two techniques. In particular, TPIF allows to obtain geometries very similar to the designed ones, but requires higher setup and forming times.

Some remarks about single and two point incremental forming

FORMISANO, ANTONIO;BOCCARUSSO, LUCA;MEMOLA CAPECE MINUTOLO, FABRIZIO;CARRINO, LUIGI;DURANTE, MASSIMO;LANGELLA, ANTONIO
2015

Abstract

Incremental forming process, in all its variants, results to be ideal when flexibility is required, especially for small-batch and customized production. Two point incremental forming with partial die (TPIF) presents notable advantages compared to single point incremental forming (SPIF) for obtaining components that present both concave and convex zones; on the other hand, these advantages are not so evident in the case of simple geometries. The following study compares the two techniques by geometrical considerations, FEM analyses and experimental evaluations. Cone frusta are obtained starting from aluminum alloy sheets and features like geometric accuracy, forming and setup times, forming forces and deformative states are investigated, in order to highlight differences and similarities between the two techniques. In particular, TPIF allows to obtain geometries very similar to the designed ones, but requires higher setup and forming times.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/612913
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