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3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
Additive friction stir deposition (AFSD) is a solid-state metal additive manufacturing process that uses a rotating tool to deposit feedstock material onto a substrate. [28] AFSD offers a number of advantages over other metal additive manufacturing processes, including high material utilization, low energy consumption, and the ability to print ...
Its wide array of capabilities includes our F3300, NEO 800, F900, F770, Origin One models, and SAF technologies. 3E is establishing a dedicated additive manufacturing center to support prototyping ...
The technologies referred to as Solid Freeform Fabrication are what we recognize today as rapid prototyping, 3D printing or additive manufacturing: Swainson (1977), Schwerzel (1984) worked on polymerization of a photosensitive polymer at the intersection of two computer controlled laser beams.
NEWPORT NEWS, Va., March 04, 2025 (GLOBE NEWSWIRE) -- HII (NYSE: HII) announced today that shipbuilders at its Newport News Shipbuilding division have successfully installed the first valve manifold assembly created by additive manufacturing technology on a new construction aircraft carrier.
Parts that were formerly the sole province of subtractive methods can now in some cases be made more profitably via additive ones. In addition, new developments in RepRap technology allow the same device to perform both additive and subtractive manufacturing by swapping magnetic-mounted tool heads. [16]
An SLS machine being used at the Centro de Pesquisas Renato Archer in Brazil.. Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power and heat source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.
Selective laser melting or additive manufacturing, sometimes referred to as rapid manufacturing or rapid prototyping, is in its infancy with relatively few users in comparison to conventional methods such as machining, casting or forging metals, although those that are using the technology have become highly proficient [weasel words]. Like any ...