Directed Energy Deposition (DED) is a metal additive manufacturing process that uses high-energy beams such as lasers or electron beams to melt and deposit metal powders layer by layer, enabling the creation of large, complex, or monolithic parts.
DED addresses the need for rapid prototyping and direct manufacturing of complex, high-strength metal parts with minimal post-processing, reducing material waste and time compared to traditional subtractive methods like machining.
A laser or electron beam melts metal powder fed into the process. The melted material solidifies rapidly after deposition, forming a single part or adding layers to an existing structure. This allows for the production of intricate geometries and large components in one go.
The process involves precise control over beam energy, powder feed rate, and deposition speed. It requires a clean environment to prevent contamination and ensures consistent part quality through automated systems.
DED builds parts layer by layer, with each layer being melted and solidified before the next is deposited. The build platform moves incrementally between layers to create the desired geometry.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking. Energy consumption varies based on part size and complexity.
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