If until recently, three-dimensional modeling was considered something from the world of science fiction, today today almost anyone can buy a special desktop device for printing bulk plastic products. So what are 3D printers, what are their capabilities, prospects and scope? What is the role of man in creating an exact copy of a computer model?
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3D printer features
A three-dimensional printer is a special device capable of printing volumetric objects on the basis of a virtual model. If toner is used for printing in a conventional printer, then in the second case they use various types of plastic, nylon, metal powder, glass powder, mortar and other materials. The basis of this technology is layer-by-layer cultivation of solid models. This method is ideal for creating objects of varying complexity: from ordinary children's toys to all kinds of elements used, for example, in prosthetics.
The principle of operation of this technique:
- creating a computer model of the future object;
- dividing the resulting template into many transverse layers using special software;
- gradual build-up in the direction from the base up liquid, powdery, other material with its subsequent connection (fusion) into an object of the desired shape.
There are several technologies for such printing, which differ in the working technique, the properties of the source material used, and the software used:
- Extrusion printing
The essence of this method is the impact of the extruder on the consumable. He heats the raw material to a certain temperature, then squeezing it through the nozzle, forms the product or its fragments. Various types of polymers act as consumables. - Powder.
This technology includes:- inkjet printing, based on the application of binders on thin layers of powder, followed by impregnation with polymers or wax;
- selective or direct sintering of thin layers of powder using a laser;
- electron beam, laser fusion - instead of sintering, powder melts at the points of contact with the laser.
- Lamination
This method will significantly reduce the cost of the resulting products, as it uses paper, sheets of thin metal and plastic as raw materials. - Photopolymerization
This technology is based on the use of liquid photopolymer resins hardening under the influence of ultraviolet light.
The use of three-dimensional printing in everyday life
Interested in printing on a 3D printer? Yes, a lot of things: children's and Christmas toys, souvenirs, cases for mobile phones and tablets, all kinds of mechanisms for cars, many different decorations. 3D printers have become indispensable in the construction, medicine, food industry, their services are used in many design studios.
Although this device is not a necessity, many still dream of having it at home. Today, these desires are easily translated into reality, because there are printers on the market at affordable prices. In addition, the network is filled with a lot of interesting “recipes” for manufacturing products using a 3D device.
The printer will help print a cap for a regular pen, household clothespins, furniture accessories, plastic Christmas tree decorations, children's toys, interesting masks. Any owner of a mobile phone or tablet will not give up the idea of making an original protective case, because making it using a printer will not be particularly difficult.If you are an admirer of a game of chess, figures made using 3D printing technology will certainly please you.
3D printer and small business
Modern man always strives for something new and unusual. The advent of three-dimensional printing was the impetus for the development of small businesses. Products made on a 3D printer will make quite good money. Prices for devices are different: the simplest ones cost about 500 - 1000, more advanced models - over $ 10,000. The most modern models have compact dimensions that allow installation on small tables. What are the capabilities of a 3D printer, what products can be grown with it?
Popular ideas for business:
- souvenir and gift products with the image of the beloved heroes of feature and animated films;
- original trinkets, beautiful jewelry, accessories for smartphones, tablets, bags;
- everyday goods: plates, spoons, forks, etc .;
- household items: original caskets, interesting vases and lampshades, other products designed to decorate a home or office;
- visual teaching aids used in kindergartens, schools, colleges, universities;
- advertising products: from small inscriptions to signboards and banners;
- mock-ups of shoes and clothes that will subsequently be used by professional designers;
- spare parts;
- tourism industry - figures of people against the background of interesting buildings, sculptures, directly mock-ups of various attractions.
Volume printing is a good prospect for starting a business. Although the speed of modern printers is still low, with increasing demand for products, you can always expand production by acquiring several more units. The power of a 3D printer is to create inexpensive, sometimes unique products that industry does not take upon itself to manufacture.
The medicine
Undoubtedly, 3D printers are a huge breakthrough in this industry. Every year this industry is developing, expanding the range of manufactured goods. Perhaps soon there will be large factories that can produce the necessary goods in a relatively short time. The possibilities of these three-dimensional devices are endless. They have found application in many areas of medicine.
Printers in dentistry are especially popular, where they are used to make temporary crowns and jaw implants, which are necessary for normal human life. The production of jaw devices is important to facilitate the work of surgeons.
3D printing is very popular in prosthetics. This technology is able to take into account the individual structure of the human body during the manufacture of prostheses. Special microcavities located in the right places of the prosthetic systems allow healthy tissue cells to move freely, thereby facilitating and accelerating the person’s adaptation to the prosthesis.
3D printing technology is widely used in the manufacture of implants. It is known that recently an operation was successfully performed that allowed the introduction of a piece of the skull. First, a 3D scan was carried out, only then they began to create the necessary model.
Modern scientists using liver cells (hepatocytes, stellate and epithelial cells) managed to print a fragment of the liver on a 3D printer. Tissues made in this way are used so far only to test the effect of various drugs, and not for organ transplants to humans. Artificially created fabric independently exists for five days.
Construction
So far, only a few companies produce construction printers. The cost of the cheapest model exceeds 12 thousand euros. Even despite the average height, this device can do at home, the volume of which is 144 m3. While there is no ideal model that would completely satisfy the engineers and builders. Nevertheless, work is underway in many countries to improve 3D technology.
Scientists are trying to create a unique device that could use a wide variety of raw materials. For example, the use of ceramics, glass, aluminum oxide will allow you to "grow" the most necessary elements for the home. The use of 3D printing will facilitate the construction of buildings, reduce labor costs, reduce the amount of waste. In addition, this smart machine can replace a person in unsafe places.
In 2014, the Chinese company Winsun surprised the world with information about building houses using a huge 3D printer (device height - 6.6 m, width - 10 m, length - 40 m). This unique machine works round the clock without a stop and observers, you can build a house almost in a day.
Construction technology consists in layer-by-layer application of mortar prepared from cement and recycled construction waste. The house has a floor, walls with a width of about 30 cm, is fully adapted for the placement of plumbing, electrical wiring and other communications. What is the final cost of the building is still not known for certain, however, it is now clear what the future lies in this revolutionary technology. The only drawback is the cost of transporting the finished house, garage or other building, because the construction printer is not mobile and requires factory conditions for normal operation.
Architecture
Three-dimensional modeling is successfully used in architecture, because this method will allow architects to clearly convey their ideas to customers. Such a model of the future structure is much more effective than an ordinary picture or image on a computer monitor. The client receives full information about the future project, taking into account all the subtleties available.
Jewelry industry
Currently, there are printers that work with gold, silver, platinum, steel and color nylon. These 3D devices are designed to produce jewelry. The cost of such printers starts at 300 thousand rubles. Owners of such equipment in a short time create a huge number of various products.
Passion for 3D technology, like a fever, captures the world. Every year there are more and more new models, the scope of this technique is expanding. Three-dimensional printing has become actively used in all industries. Probably very soon the presence of a 3D printer in the house will not surprise anyone. This device, like a regular refrigerator or TV, will become affordable and necessary.
