3D printing the future of manufacturing

The prospects for 3D printing

Even now, the prospects for 3D printing are extremely promising. Scientists are actively developing existing 3D printing techniques, developing new technologies and types of materials, and finding new areas of application. Many call 3D printing the technology of the future, and for good reason. The technique is able to completely turn the usual way of life, changing the way most things are produced. In fact, a 3D printer is a real multifunctional factory, small and compact. Due to this, the future of 3D printing can definitely be called successful.

3D printers can significantly reduce production costs, thereby reducing the cost of products. Judging by the growing trend towards the popularization of 3D technologies, raw materials for 3D printing will become the main commodity unit in the future. In general, the prospects for 3D printing are defined for many areas. And now we will try to reveal them as much as possible.

The Future of 3D Printing

If you try to imagine the future of 3D printing, your imagination paints a rather interesting picture. Given the great interest of scientists in the 3D bioprinting technique, which is one of the most promising 3D printing technologies, the production of artificial organs on a 3D printer is not far off. It is also safe to say that the future of 3D printing will bring us dramatic changes in areas such as:

• Construction. 3D printing of houses, or contour construction, attracts many with its futurism and simplicity. The first steps in this direction have already been taken. The pioneers in 3D printing of houses were the Chinese, followed by the government of Dubai who discovered contour building. The first 3D printed office building has already been built in this city of the future, and an entire block is planned to be printed in the near future. And just recently, the first printed house in Europe was created on a 3D printer;
• Electronics. When listing the prospects for 3D printing, this point should be given special attention. Scientists believe 3D printing of electronics is the future of digital device manufacturing, and with good reason. Graphene properties and its application in additive manufacturing are currently being actively researched. A huge breakthrough in this area is the creation of a graphene battery with an unlimited service life on a 3D printer;
• Automotive and aerospace industry. The future of 3D printing is largely based on its ability to reproduce almost any element of varying complexity. In this regard, 3D printing is already widely used in the development of aircraft, machines and satellites. The ISS even has its own 3D printer, not to mention a number of successful 3D printing of cars.
• Pharmaceutical industry. Yes, yes, you can imagine. The future of 3D printing is in the manufacture of tablets and other medicines. This is confirmed by epilepsy pills legalized in the USA, made according to a special technique. The essence of this perspective of 3D printing is the gradual release of active substances, so that instead of many tablets, you can drink just one.
• Food industry. 3D food printers are gradually gaining space in cafes and restaurants. While this is probably one of the most raw 3D printing technologies out there, it has potential. Food 3D printers are especially interesting for the possibility of making food for astronauts, as well as the freedom to display culinary talent. This is confirmed by the amazing 3D-printed desserts of our compatriot.

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The future of 3D printers

Now let's try to imagine the future of 3D printers. There are several important points to be noted here. Below we list the most likely scenarios for the future of 3D printers.

• Improving the reliability and quality of instruments. Surely, many users are looking forward to this, because most of the existing models of 3D printers cannot boast of uninterrupted operation and the absence of printing errors;
• Large-scale distribution. It is certain that the future of 3D printers will please us with their popularization. Even now, one can observe a growing trend towards the use of 3D printing in almost all areas of industry. In parallel with the fact that more users are learning about the possibilities of technology, the demand for desktop 3D printers is also growing;
• Availability. In continuation of the previous paragraph, it is worth noting that the growing demand for 3D printers will lead to lower prices for these devices. The use of 3D printing for domestic purposes is gaining momentum, which brings new equipment manufacturers to the market. Naturally, such a step will entail a reduction in the cost of devices;
• Enlargement of the construction area. 3D printing of large-sized objects has long occupied the minds of developers. Of course, this applies to industrial 3D printers, because the functionality of 3D printing at this scale will allow you to create full-fledged components, for example, cars and aircraft;
• Expanding the range of available materials. The future of 3D printers depends a lot on 3D printing materials, because more means more possibilities. The development of special equipment and related materials is being carried out by many companies, and news about the release of new polymers is constantly appearing.

3D technologies of the future

Summing up, it remains to consider only 3D technologies of the future. These include various futuristic scenarios that, to one degree or another, are already beginning to develop today. These include the technique of virtual reality, 3D scanning to create the perfect clothes and shoes, 3D printed makeup, and more. In a way, 3D technologies of the future also include bioprinting. By the way, scientists are talking about building the first 3D printed settlement on the Moon and Mars, so the prospects for 3D printing are also relevant outside the Earth.

This was a list of the main scenarios for the future of 3D printing. Let's see how they are destined to come true. If you have additional questions that we have not covered, write to us by e-mail and we, if necessary, will add your questions! Best regards, 3DDevice team.

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3D printing and the future of small-scale production

Modern desktop 3 D-printing began a little over 10 years ago when a community of enthusiasts arose pRap.9006 The aim of the project was to "self-copy", replicate the components of the 3D printers themselves. The task was to small-scale production of 3 D-printers on the same 3 D-printers. The idea was picked up and developed by the Czech engineer and entrepreneur Josef Prusa. He created the biggest farm 3 D-printers for printing plastic parts produced by his factory 3 D-printers. The total number of printers in his factory reaches 1000 pieces; the achievement was even registered in the Guinness Book of Records.

In this case, I would note the marketing talent of Josef Prusz , because his company produces about 100,000 printers a year: production can hardly be called small-scale. However, he continues to print plastic components for his printers on them. Thus, their reliability is emphasized, because printing is part of the testing process, on the one hand, and on the other hand, it demonstrates to customers the quality of models made on a 3D printer. The effectiveness of such an approach from the point of view of the production itself is negligible. A single injection molding machine would easily handle this task, saving a lot of space and electricity, and there would be no need for a large number of jobs.

What are the possibilities of desktop 3D printing for small-scale production? I note right away that this article is about desktop 3D printers. I will not consider industrial systems in it, since they are in a different price category, both for the equipment itself and for printing materials.

First, let's talk about what can be produced on 3D printers. Usually we are talking about small plastic elements, plugs, clamps, housings, holders and other similar elements. The choice is to order a mold or 3D print the elements. It is easy to make a choice by calculating the cost of a mold, the cost of products obtained on an injection molding machine and the cost of printing the same product on a 3D printer of the required circulation.

You need to understand: how many units of production per unit of time do you need to produce and, accordingly, how many and what kind of 3D printers will be needed for this task? Having made such an initial analysis and having previously understood that 3D printing is what suits you, you should carefully start choosing equipment.

If you already know what you are going to print, the choice becomes easier. If you plan to produce models with different tasks in the future, you should carefully analyze the possible options before buying. The main factor influencing the choice of equipment is the presence or absence of certain functionality in future models. The printer should print with materials that will ensure the functionality of your products. For example, a future part must withstand a certain heating or cooling temperature, be strong, rigid, wear and impact resistant, or, conversely, soft, rubber-like, elastic, flexible. The more versatile a 3D printer is, the more expensive it is. Indeed, for printing various types of plastic, printers are equipped with closed chambers, interchangeable extruders, perforated platforms, feed mechanisms with adjustable filament pressure, etc.

This is the FDM/FFF printing technology most commonly used today for small-scale production. Let's look at a few technological solutions that manufacturers offer. The most affordable and suitable for printing simple models from plastics such as PLA or PETG is a solution based on budget printers such as CrealityEnder-3. These are very simple models that are installed on racks.

3D printing farm in Creality3D

Among the advantages of this solution: the ability to quickly deploy it in almost any suitable place, quickly increase the number of printers to increase the productivity of the farm. Of the minuses: the impossibility of printing with engineering plastics, the need to manually remove models, as well as the impossibility of remote monitoring and control over printing.

The next level of small-scale production organization is a printer farm capable of handling the most diverse tasks. For example, a farm built on the basis of Raise3DPro2 3D printers. Each such printer is equipped with two extruders, a closed camera and a built-in webcam for remote monitoring. On such printers, you can easily change the "manufactured" models. Today it can be simple plugs made of PLA plastic, and tomorrow it will be complex models made of carbon fiber or nylon gears. The disadvantages include only the high cost of equipment and the remaining need to shoot finished models manually.

3D printing farm at 2050.AT

Another solution is a printer-based farm with two independent IDEX type extruders. In the photo below you can see a similar farm based on Raise3DE2 printers. The solution has the added benefit of increasing productivity: each printer can print two identical models at the same time instead of one. The disadvantages remain the same: the need to shoot models manually and the rather high cost of the printers themselves. The benefits are the same - plus increased productivity.

3D printing farm at 3D.RU

If small-scale production is one of the possible applications for the previous solutions, then the printer that will be discussed next is created specifically for this task. The TierTimeX5 model is a mini conveyor with 12 interchangeable pads for long continuous printing. After the printing of the model or models is completed, the platform moves off the platform, a new one takes its place, after which printing can continue. In this case, both the same and different models can be printed. The printer also supports a print queue: different employees can send jobs to it, they will be executed as they arrive. Models from the sites will still have to be removed manually, so it’s too early to talk about full automation.

Of the minuses, it is worth noting the high cost of equipment and its low productivity. For comparable money, you can buy up to 10 printers of the same level, but their performance will be 10 times greater. True, they will take up much more space; keeping track of 10 printers is also much more difficult than keeping track of one. At the same time, it should be taken into account that if one of the 10 printers breaks down, you still have 9 more. If the only printer breaks down, you are left without equipment for an indefinite period of time - depending on the repair time.

Another printer option designed specifically for low volume production is the Creality3DCR-30 PrintMill ribbon type. The printer is created on the principle of a conveyor belt: models can be printed endlessly and fall into the box themselves, you just have to remember to change the plastic. Human participation is minimal, but due to the complex design, where printing is carried out at an angle of 45 °, there are many restrictions on the geometry of models, the location of supports and other nuances. But this is the most automated process of all possible today, especially given the modest budget for the purchase.

In an effort to fully automate small-scale production, manufacturers and builders of 3D printing factories or small-scale production add various equipment. In particular, to automate the removal of models, “cobots” (collaborative robots) are used, which are programmed to remove the platform along with the printed model and install a new printing platform, after which printing resumes. This is an insanely expensive solution that does not really improve productivity and can only be justified in countries with incredibly high wages.

Another possible solution for the complete automation of the small-scale production process using 3D printing was presented by the Latvian company MassPortal. She created a portal system for this task. The printers are installed in a rack, where the manipulator arm removes the platforms with finished models and transfers them to a special storage rack. The solution almost completely automates the entire process, but the cost is so high, and the system itself is so cumbersome that it is not worth talking about its effectiveness for a wide range of tasks.

All of the solutions discussed earlier in this article were based on FDM/FFF technology, which involves printing with molten plastic filament.

Recently, photopolymer 3D printers are gaining popularity, which print on the principle of forming a model from a liquid photopolymer. From the point of view of small-scale production, this technology has a number of advantages. First of all, performance. The technology allows you to illuminate the entire layer at once - in this way, the printer spends the same time printing one or any other number of models that fit into the construction area. Whereas earlier desktop photopolymer printers had modest pad sizes and, accordingly, their production potential was not very high, already this year a number of models with a large print area and high detail were introduced, for example, the PhrozenSonicMega 8K printer model.

Printing models in the photo lasted 3.5 hours. It is quite easy to calculate the performance of the printer. In this case, even one printer is a mini-factory and is capable of solving serious production problems. Also important is

but note that, unlike FDM / FFF printers, all photopolymer 3D printers are initially universal - you can print on them with any resins available on the market or even those that will appear in the future.

It should come as no surprise that the creators of 3D printing farms were inspired by the huge opportunities that were opening up and many small-scale productions were created based on such equipment. For example, the British company Photocentric has opened the largest such center in Europe based on its LCMmagna model. It came in handy during the pandemic, when it was necessary to urgently establish the production of elements necessary for the treatment of patients, for example, replacement valves for ventilators.

Unfortunately, it can't do without significant disadvantages, but let's talk about everything in order. First of all, this is the process of post-processing of printed models, which consists of washing the models in alcohol and subsequent illumination in a UV camera. Without these procedures, the model will not acquire the final quality. Processes cannot be automated, they require a lot of labor — this must be taken into account when choosing equipment. In addition, it should be taken into account that the cost of photopolymer resin is on average 3 times more than plastic for 3D printing, respectively, the cost of the resulting products will be higher. Another factor that must be taken into account is the need for special preparation of the installation site for printers, the availability of high-quality ventilation and the possibility of waste disposal.

In summary, even a single 3D printer is a suitable solution for small-scale production. 3D printing is ideal for small-scale production. The main thing is to choose the right equipment, calculate the payback period and the cost of the final product. Based on this, it will be possible to draw a simple conclusion whether you solve your problems or create new problems.

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