Energy Inputs to Additive Manufacturing: Does Capacity Utilization Matter?

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Baumers, M.
Tuck, C.
Wildman, R.
Ashcroft, I.
Hague, R.

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University of Texas at Austin


The available additive manufacturing (AM) platforms differ in terms of their operating principle, but also with respect to energy input usage. This study presents an overview of electricity consumption across several major AM technology variants, reporting specific energy consumption during the production of dedicated test parts (ranging from 61 to 4849 MJ per kg deposited). Applying a consistent methodology, energy consumption during single part builds is compared to the energy requirements of full build experiments with multiple parts (up to 240 units). It is shown empirically that the effect of capacity utilization on energy efficiency varies strongly across different platforms.


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