Besides material accumulation and 3D printing, the

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In addition to material accumulation, 3D printing also has these three unusual features

in recent years, 3D printing has gradually formed more unusual features on the basis of the technical characteristics of material accumulation, and thus expanded a broader application space. In addition to making other machines, 3D printers can copy themselves; 3D printers can make objects much larger than themselves; 3D printer can realize the 2D printing function of ordinary printer

as we all know, the biggest difference between 3D printing and traditional reduced material manufacturing is that reduced material manufacturing requires the removal and cutting of production materials to complete the processing, while 3D printing is just the opposite, which is to make products through the gradual accumulation of materials, that is, the so-called "increased material manufacturing". On this basis, 3D printing technology continues to develop and evolve. In recent years, it has gradually formed more unusual characteristics, and therefore expanded a broader application space

not only making other machines, 3D printers can copy themselves.

"machine manufacturing machines" is the general trend of manufacturing development in the era of "industry 4.0". The main production object of 3D printing equipment is machinery, from micro sensors to parts of aircraft and spacecraft, to complete robots, and the types of machinery born from 3D printers. 4. Changing the experimental machine is almost everything. However, the most amazing product of 3D printing is probably itself. 3D printing devices with self cloning function are attracting more and more attention in the industry

in 2007, Dr. Adrian Bowyer, a senior lecturer in mechanical engineering at the University of bath, UK, successfully developed the world's first self replicating 3D printer in the open source 3D printer project reprap. In 2015, repap enthusiast revarbat developed a 3D printer called "snappy". 73% of all parts of this 3D printer can be produced by 3D printer. Recently, the average annual spot prices of copper, aluminum, lead and zinc have fallen by 16.8%, 10.2%, 5.5% and 4.1% year-on-year, respectively. Self replicating 3D printers have attracted attention in the aerospace field and are expected to be applied on the ground. Researchers from the Department of mechanical and aerospace engineering at Carlton University in Canada are trying to develop a 3D printer that can completely replicate itself, which is expected to be used to build settlements and other structures in space. Since it can effectively reduce the launch cost, the self reproducible 3D printer will greatly change the face of space exploration

thanks to the accumulation of materials, 3D printers can make objects much larger than themselves.

in the process of material reduction manufacturing, machines learn from raw materials, and the resulting products rarely have objects much larger than the machine itself. 3D printing benefits from its production characteristics of material accumulation, which can create objects far larger than the equipment itself. This has also been paid attention to in the aerospace field. After all, the characteristics of 3D printing, such as self-reliance, local materials, adding up and so on, are too precious for space exploration activities with poor environment and lack of resources

last month, made in space, a California microgravity engineering company, was commissioned by NASA to announce the development of archinaut, a space additive manufacturing project. The main goal of the project is to manufacture large-scale structures in space, involving the development of a 3D printer that can work in space and is equipped with a robot arm. One of the main attractions of archinaut system is that it can build a much larger structure than itself, which is crucial for space manufacturing, because it is difficult to launch large-scale production systems into space from earth

the 2D printing function of ordinary printers, 3D printers can also handle

3D printing technology has been based on 3D objects since its birth. The level of manufacturing technology and overall strength have further improved the production objects, which seems to have nothing to do with the long history of 2D printing. However, in recent years, some people in the industry have begun to try to use 3D printers for two-dimensional printing, and achieved some results. With the further maturity of technology, 3D printing 4. The clearance between the indenter and the liner should be appropriate (1.0 ± 0.2) mm printing machine may be able to merge the functions of ordinary 2D printers and evolve into an integrated device of 2D and 3D printing

in 2016, American designer Jason Preuss successfully printed 2D oil paintings using a 3D printer. These paintings are only a few millimeters thick, almost as thick as a few sheets of paper. The production process is not easy. It requires complex software stacking and program settings to divide a painting into different color areas, and then print them layer by layer with a 3D printer after a series of programs. This is undoubtedly a huge project

as a disruptive technology, 3D printing has great potential. Its unusual characteristics will create more new possibilities for research in other scientific research fields

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