The number of different metal AM technologies has increased continuously over the last years.
As of now, 18 different working principles are known with over 140 OEMs supplying machines. The large variety of working principles can be roughly grouped into powder bed fusion, material deposition and sinter-based metal AM technologies. Each group and individual technology principle bring its own advantages and challenges regarding material choice, geometrical freedom and post processing. AMPOWER provides a detailed look at the most relevant technologies in its technology section of the AMPOWER Report 2021.
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