Abstract
Incremental Sheet Metal Forming (ISMF) is a very flexible technology for fast prototyping and small batch production of sheet metal parts. This contribution deals with an innovative variant of ISMF, where instead of a rigid tool a Water Jet (WJ) is used as the main tool. Such a process can be addressed as Water Jet Incremental Sheet Metal Forming (WJISMF). The main aim of this paper is to present the technological window for WJISMF and characterize the attributes of the WJ used as the main tool. A Finite Element Analysis (FEA) simulation of axis-symmetrical, incompressible, turbulent, free surface flow was developed to simulate the impact of a WJ on the impingement rigid surface. Measuring the surface pressure distribution at the interface between the WJ and the impingement rigid surface experimentally validated the FEA simulation. Calculated pressure distributions along the surface are in good agreement with those obtained experimentally.
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