Machine Mediation
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DED-EB/M
Electron Beam-based Directed Energy Deposition
DED process using an electron beam in vacuum as the energy source, typically combined with wire feedstock (EBAM).
Operating Principle & Process Flow
Operating Principle: An electron beam melts metal wire in high vacuum.
Process Flow: Evacuate vacuum chamber → Synchronise wire feed and beam guidance → Traverse geometry.
Technical Specifications
- Energy Source: Electron beam.
- Feedstock / Material Feed: Metal wire (typically) or metal powder.
- Typical Part Size: Very large (depending on vacuum chamber size, up to several metres).
- Build Rate: Very high (up to 15 kg/h).
- Accuracy: Low to medium.
- Surface Quality: Rough.
Applications & Materials
Typical Materials: Titanium (especially for large parts), refractory metals, nickel superalloys.
Typical Applications: Massive titanium structural parts, pressure vessels for rockets.
Industries: Space, defence, aerospace.
Metal Additive Manufacturing
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