Feb 2, 2020 Viewed: 229 Tag: 3dprinting  

Rapid Prototyping - 3D Printing

3D printing (3DP) is a kind of rapid prototyping technology. It is a technology based on digital model files, using powder-like metal or plastic and other adhesive materials to construct objects by printing layer by layer. 3D printing technology, which appeared in the mid-1990s, is actually the latest rapid prototyping device using technologies such as light curing and paper lamination. It works basically the same as ordinary printing. The printer contains "printing materials" such as liquid or powder. After connecting to the computer, the "printing materials" are superimposed layer by layer through computer control, and the blueprints on the computer are turned into physical objects. This printing technology is called 3D stereo printing technology.


3D printing is usually achieved using digital technology materials printers. It is often used to make models in the fields of mold manufacturing and industrial design, and then gradually used for direct manufacturing of some products. There are already parts printed using this technology. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.


Regarding the major recent achievements of the 3D printing industry, on January 14, 2019, the University of California, San Diego, for the first time, used rapid 3D printing technology to create a spinal cord scaffold that mimics the structure of the central nervous system, successfully helping rats to recover from exercise Features. The stent mimics the structural design of the central nervous system. It is circular and has a thickness of only two millimeters. The middle of the stent is an H-shaped structure. Around it are dozens of tiny channels with a diameter of about 200 microns. The process grows along the spinal cord injury site.


The ordinary printer used in daily life for 3D printing technology can print flat objects designed by computers. The so-called 3D printer works basically the same as ordinary printers, except that the printing materials are slightly different. The printing materials of ordinary printers are ink and paper. The 3D printer contains different "printing materials" such as metal, ceramics, plastic, and sand, which are real raw materials. After the printer is connected to the computer, the "printing materials" can be superimposed layer by layer through computer control, and finally the The blueprint on the computer becomes a physical object. In layman's terms, a 3D printer is a device that can "print" real 3D objects, such as printing a robot, printing a toy car, printing various models, and even food. The reason why it is commonly referred to as a "printer" is to refer to the technical principles of ordinary printers, because the process of layering is very similar to inkjet printing. This printing technology is called 3D stereo printing technology.


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