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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.
The process starts by slicing the 3D CAD file data into layers, usually from 20 to 100 micrometers thick, creating a 2D cross-section of each layer; this file format is the industry standard .stl file used on most layer-based 3D printing or stereolithography technologies. This file is then loaded into a file preparation software package that ...
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.
This is a list of notable manufacturers of 3D printers. 3D printers are a type of robots that are able to print 3D models using successive layers of raw materials. 0–9 3D makeR Technologies – Barranquilla, Colombia
Desktop Metal was founded in October 2015 [17] in Cambridge, Massachusetts, as a startup company focused on 3D metal printing. [18] Among the seven founders [8] were Ric Fulop [2] and Jonah Myerberg of A123 Systems, Rick Chin of SolidWorks, and Yet-Ming Chiang, Ely Sachs, Christopher Schuh, [18] and A. John Hart of the Massachusetts Institute of Technology (MIT). [8]
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.
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