Abstract
Additive Manufacturing (AM) technologies are constantly increasing in terms of applications and market volume; especially metal AM volume has more than doubled in the last 2 years. However, AM machines still remain hampered by their limited build volume dimensions and relatively low build rates, poor quality and uncertainty of final part mechanical properties. A key process aspect for the majority of the AM processes is the deposition rate, deposition rate control and the achievable deposition “spot”. The present study is focused on the improvement of the configuration and design of the process head and the delivery system of a DED machine emphasizing on optimum deposition rate through the implementation of a process model and CFD simulations.
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