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3D metal printing builds components by delivering the powdered metal and binder in alternative layers through a nozzle controlled by a computer system, working to a CAD drawing. The initial process does not achieve the required strength so parts must go through a secondary process which involves fusing another type of metal into the shape.
Electron-beam additive manufacturing, or electron-beam melting (EBM) is a type of additive manufacturing, or 3D printing, for metal parts.The raw material (metal powder or wire) is placed under a vacuum and fused together from heating by an electron beam.
The printer deposits the metal-infused filament layer by layer, building up the shape of the part. These printed parts are referred to as "green" parts. To compensate for predictable shrinkage during the subsequent sintering process, the green parts are scaled up by 15-20% from their final dimensions. [1]
In the United States, the Hill Air Force base is using 3D printed parts in repair of fighter jets. [76] Higher education has proven to be a major buyer of desktop and professional 3D printers. [77] Significant desktop 3D printer purchases by both K-12 and universities helped sustain a desktop 3D printer market that had problems in 2015–2016. [78]
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.
Most of the 110-foot (33-meter) rocket, including its engines, came out of the company’s huge 3D printers in Long Beach, California. Relativity Space said 3D-printed metal parts made up 85% of ...
In recent years, the development of additive manufacturing processes, such as 3D printing, has increased the use of AlSi10Mg.AlSi10Mg is well-suited for additive manufacturing processes such as selective laser melting (SLM) and electron beam melting (EBM). 3D printing with AlSi10Mg allows for the creation of complex geometries that would be difficult or impossible to produce using traditional ...
An example of how 3D printing can be included in the design process is automotive design. [19] There, it is necessary to quickly test and verify a prototype to get the design approved for production. The reduced post-processing steps induced by the multi-material 3D printing technology result in a shorter fabrication time.
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