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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 ...
Multi-material 3D printing is the additive manufacturing procedure of using multiple materials at the same time to fabricate an object. Similar to single material additive manufacturing it can be realised through methods such as FFF, SLA and Inkjet (material jetting) 3D printing. By expanding the design space to different materials, it ...
Binder jet. The binder jet approach begins by spreading a fine layer of powder onto the platform using a roller. Subsequently, a removable printhead sprays droplets, selectively binding the powder to create the desired structure. The platform is then lowered, and a new layer of powder is spread while the printhead continues to deposit droplets.
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Binder Jetting Process. Similarly to selective laser sintering, binder jetting uses powdered food materials to create a model layer by layer. Instead of using heat to bond the materials together, a liquid binder is used. After bonding the desired areas of a layer, a new layer of powder is then spread over the bonded layer covering it.
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 ...