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Directed Energy Deposition

Video credit: optomec's channel)

With this method, a nozzle moving along five axes simultaneously jets and melts powder. In most cases, the energy source is a laser and the material is a powdered metal.

With this technique, besides manufacturing new parts, one can repair and coat existing parts. This process can also apply more than one material at the same time. However, the high cost of the equipment and a lack of accuracy are drawbacks.