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Binder jet 3D printing, known variously as "Powder bed and inkjet" and "drop-on-powder" printing, is a rapid prototyping and additive manufacturing technology for making objects described by digital data such as a CAD file. Binder jetting is one of the seven categories of additive manufacturing processes according to ASTM and ISO.
Unlike other 3D printing processes that require auxiliary support structures, binder jetting relies on the bed of unbonded powder to ensure continuous support for consecutive layers during fabrication. Typically, in binder jet 3D printing, the leftover powder can be reused for future parts.
New powder is continuously added to the bed from a powder reservoir c) by means of a leveling mechanism b) Another 3D printing approach is the selective fusing of materials in a granular bed. [29] The technique fuses parts of the layer and then moves upward in the working area, adding another layer of granules and repeating the process until ...
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 ...
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Selective laser melting ( SLM) is one of many proprietary names [1] for a metal additive manufacturing (AM) technology that uses a bed of powder with a source of heat to create metal parts. Also known as direct metal laser sintering ( DMLS ), the ASTM standard term is powder bed fusion ( PBF ). PBF is a rapid prototyping, 3D printing, or ...
An oddball planet with deadly weather. Scientists first discovered HD 189733b in 2005 and later identified the gas giant as a “hot Jupiter” — a planet that has a similar chemical composition ...
Archaeologists in Peru have unearthed the remains of what they believe are a 4,000-year-old temple and theater, shining a new light on the origins of complex religions in the region.. The team ...