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The Fastest 3D Printer and Why You Don’t Need One

In  this article we’ll tell you about fast 3D printing and whether it can get you some high-quality prints. We’ll also talk about its applications, utilized technologies, and 3D printers that can work incredibly fast. 

 

Introduction

3D printing allows for production of complex models at a very low cost. However, there’s one substantial drawback - the printing process is slow and takes too much time. 

For example, when using Fused Deposition Modeling technology (FDM/FFF), layer thickness will be about 0.1-0.4 mm. Therefore, in order to produce a 10 cm-tall model, the machine will have to print 250-1000 layers. Considering the fact that usually 3D printers work at a speed of 30-150 mm/sec, to get a small model of medium complexity you will have to wait from 3 to 11 hours. Printing larger models can take up to several days, even if the 3D printer works day and night. Moreover, when it comes to FDM printing, high print speed leads to poorer quality. 

Source: Garrett Kearney

 

In car, aerospace and health industries, including dentistry, 3D printing has long been used on a constant basis. Businesses and professionals of these fields keep seeking ways to speed up the process of model creation, since the more cheap high-quality products appear on the market, the stronger the chance of raising their sales. This is one of the main reasons why 3D manufacturers strive to increase the speed and develop new technologies of high-speed 3D printing. To see how fast printing actually works, check out the video below: the model of Eiffel Tower is printed in just a few minutes.
 

 

Ultra-fast 3D printing technologies

The CLIP (Continuous Liquid Interface Production) technology was developed by Carbon 3D. The technology itself is based on 3D printing with light-curing resins at a speed that is 20-100 times higher than that of any other available 3D printing solution. Similar to the widely known SLA technology, the models are printed layer by layer, however, it’s a continuous process, since the technology harnesses oxygen as an inhibiting agent. This approach not only decreases production time, but also removes the layering effect in the print structure.

Source: https://www.autocarpro.in/

 

A similar technology called LSPc (Lactant Sublayer Photocuring) was introduced by Nexa3d. Fundamentally, it’s similar to the CLIP technology; it also prints at an incredible speed, making use of light and oxygen. However, this technology is intended for a wider audience and it’s more affordable than high-speed printing offered by Carbon3D. 

Source: https://www.3dprintingmedia.network/

 

Now let’s discuss both technologies in detail.

 

CLIP

According to Carbon3D website, the CLIP technology is based on a chemical process, in which oxygen and light are selectively used for resin curing. UV-light causes photopolymerization and starts the cross-linking process in liquid resin, which leads to solidification. Oxygen has the opposite effect. It stops polymerization of liquid resin and prevents curing in that particular area. Further on, we’ll explain how it works. 

Source: https://3dprintingindustry.com/

 

How it works

The operating principle of a CLIP printer is the following: at the bottom of the reservoir with liquid resin there is a transparent window permeable to light and oxygen. Under the window, there’s a projector that emits UV-light. 

Between the window and the printing part located the so-called “dead zone”, which is a liquid interface of uncured resin. This oxygen-rich area separates the print from the window, preventing them from getting stuck to each other. This allows for curing layers one by one without having to stop the process to separate the print from the window and raise the model to free space for the next portion of resin. This is one of the main advantages over other stereolithography technologies and the reason why this technology provides much higher speed. 

The dead zone is only tens of micrometers thick. The resin above the zone doesn’t get any oxygen and it polymerizes when subjected to UV-light, forming solid substance with the form according to the shape of the projected UV images. The ready print is slowly drawn out of the liquid as it polymerizes. 

Source: https://www.aniwaa.com/

 

Once the object is printed, it’s baked in a forced-circulation oven with a set temperature. This causes a chemical reaction that strengthens the print. This process is known as thermal curing. The double curing process used in CLIP printing is said to allow for producing engineering-grade materials. 

 

Speed and quality

During the printing process, the printer’s build platform continuously rises as the object grows. It does not require any mechanical movements of the structure as in FFF and SLA printing. This way, the continuous sequence is projected and the object is printed without any stops, which makes it more high-quality, since the influence of kinematics on accuracy of layering is eliminated. 

Source: https://www.futuretimeline.net/

 

The CLIP technology allows to print 25-100 times faster than the usual methods. Carbon3D published a comparison chart on their website as proof. 

Source: https://www.youtube.com/

 

The CLIP technology is utilized by two M series models: Carbon M1 and Carbon M2. M1 offers a build volume of 144х81х330 mm, and M2 - 190х118х326 mm. Both printers can connect to the Internet in order to download updates. Carbon3D also uses the Internet to monitor and collect data - the manufacturer promises to improve the quality of services and quickly eliminate all detected errors. 

 

Application

CLIP 3D printers aren’t cheap, but large companies quickly took interest in them. For example, Adidas, Ford, Resolution Medical Inc, a medical equipment manufacturer in Minneapolis, TruVenture Composites LLC, etc. Such a rise in popularity is explained by high accuracy and speed that allow for producing high-quality goods with a prime cost lower than that of products manufactured using traditional methods.  

Source: https://singularityhub.com/2

 

Now let’s talk about the cases of application. 

 

Adidas

Adidas, a sportswear manufacturer tested 3D shoes on the market by releasing “Futurecraft” series in early 2018. The soles of the shoes were 3D printed on Carbon3D machines. Despite being just a proof-of-concept and the price of $300 per pair, the whole batch was immediately sold out. Such a success brought about the integration of this technology into mass production. Later the project evolved and now it’s called “ALPHAEDGE4D” 

According to Adidas, 3D printing makes mass production 9 times faster. The production cycle of a single detail is also improved. At the time, it takes 90 minutes for a midsole to be produced, while the new Carbon 3D printers shorten the time of production to 20 minutes.

Source: https://3dprintingindustry.com/

 

Adidas are currently developing “Speedfactory”, its own automated production network featuring Carbon 3D printers. The volume of output is estimated to reach half a million pairs per year. 

Source: https://3dprintingindustry.com/

 

Ford

In early 2019, Ford, a world-famous automaker showcased end-use parts, printed on a Carbon 3D printer. The first 3D printed components included  Ford Focus HVAC (Heating, Ventilation and Cooling) parts, Ford F-150 Raptor Auxiliary Plugs, as well as Ford Mustang GT500 Electric Parking Brake Brackets. 

Source: https://3dprintingindustry.com/

 

Source: https://3dprintingindustry.com/

 

Ford also used Carbon3D printers to produce elastomer grommets for the Focus Electric. Grommets are used to protect the wiring from being damaged by sheet metal when the doors are opened or closed. The details were tested against those printed by traditional methods. The parts were not only made 66% faster, but also retained the quality and features of their traditionally manufactured counterparts.

Source:https://3dprintingindustry.com/

 

Another great advantage of 3D technologies: during the manufacturing process Ford engineers encountered a serious issue. After placing a V8 engine into a new vehicle body structure, the design created an unreachable oil filler cap because the engine was located lower and farther back under the hood. Using a 3D printed prototype, the engineers managed to quickly design and create an oil connector and avoid costly redesign during the vehicle manufacturing stage. 

 

Why you don’t need a CLIP 3D printer

Carbon3D has a peculiar business model: the company doesn’t sell its printers directly. Instead, they offer a subscription service, all those who wish to use the machine have to lease it. The company claims that it’s a consumer care policy. This way, you won’t have to worry that the machine will become outdated in a couple of years, you can just cancel your subscription. Technical support is provided for all users and the software updates occur on a regular basis.

Source: https://www.carbon3d.com/

 

According to the Carbon3D website, as of January 2018, the M1 annual subscription is priced at $40,000/yr and the M2 - $50,000/yr. Besides the printer, customers will get equipment for baking and cleaning. Subscription does not include materials and requires separate Printer Installation & Initial Training Fee.

Source: https://singularityhub.com/

 

As a result, it’s rational to use Carbon3D printers only when pay-off is guaranteed, since they require constant and considerable investments and their operation is possible only in regions where the company services are available. 

Despite all the advantages of the CLIP technology, we can’t recommend Carbon3D printers to everyone. They are best suited for large manufacturing enterprises located not far from the manufacturer’s offices. 

 

LSPc

The key feature of 3D printers manufactured by Nexa3D is the LSPc technology or Lubricant Sublayer Photocuring. It’s similar to the technology used by Carbon3D but differs in a number of features. More about it later. 

Print speed is up to 1 cm a minute, which is, compared to FDM and SLA significantly reduces the time required for printing. 

Source: https://www.3ders.org/

 

Source: https://www.3ders.org/

 

Nexa3D claim that their technology makes 3D printing suitable for everyday use thanks to the simplified refill process. At CES 2019, Nexa3D displayed their 3D printers using the LSPc technology: NXE400 with a print volume of up to 16 liters and the 7-liter NXE200. The cost of the machines varies from $19,950 for the NXE200 to $49,950 for the NXE400. The printers come with company-made cartridges and a couple of transparent self-lubricating films. 

 

Features of the technology

LSPc differs from traditional layer-by-layer methods used in DLP and SLA. It’s mostly similar to CLIP but works a little bit different. The design features a self-lubricating film located between the bottom of the resin tank and the printed model. The curing is conducted by a patented structured light matrix. 

A self-lubricating film here has the same function as the dead zone in the CLIP technology. It prevents the object from being stuck to the bottom of the tank and makes printing process continuous, which allows for the same advantages - no necessity to rise the print to free space, high speed and accuracy, as well as no visible layering. 

Source: https://www.3dprintingmedia.network/

 

Thanks to the light matrix and the absence of layering, in addition to a significant increase in speed, the LSPc technology also provides a high level of accuracy along the XY and Z axes. According to the manufacturers, Nexa3D printers are suitable for both industrial prototyping and small-volume manufacturing. The machine runs on an intuitive software, with which you can set all the printing parameters. Fast LSPc 3D printers are equipped with integrated sensors that allow to effectively avoid serious errors and achieve stable printing process. Special algorithms allow the printer to slice, optimize and adaptively compile models of complex geometry with stable speed and high resolution.

Source: https://3dprint.com/

 

The LSPc systems are equipped with replaceable resin cartridges, which eliminates the need for refills during the printing process. This is especially useful when building large-scale prints. 

Check out the LSPc technology in action:

 

Application

Nexa3D printers can use a wide variety of materials with different properties, which makes them suitable for use in aerospace and car industries, consumer goods, electronic equipment and many more fields. 

Source: https://nexa3d.com/

 

Dental equipment

At International Dental Show (IDS) in early 2019,  Nexa3D together with BEGO, a major German dental equipment manufacturer unveiled Varseo XL, a large-scale 3D printer. The machine is designed to print surgical guides, trays, permanent restorations, bridges and crowns from dental resins. 

Source: https://3dprintingindustry.com/

 

The same model under the name of MfgPro1600 xPF is licensed by Nexa3D and produced by well-known XYZprinting.

 

The speed of the printer is up to 1 cm/min in the Z-axis and 2700 cc/hr, which is six times faster than FDM and SLM printers. At the same time, VarseoXL has a five times larger build volume than most of resin 3D printers. All these features combined allow for a performance increase of more than ten times. This is why BEGO considers this system to be one of the most productive and economical dental lab 3D printers.

Source: https://3dprintingindustry.com/

 

Car industry

Nexa3D expanded its presence in the car industry by partnering up with Techniplas, a leading global design and manufacturing provider of automotive products and services. One of the goals of this joint project is to unite representatives of the 3D industry to develop production technologies. As a part of the project, Nexa3D and Technipals co-exhibited at CES 2019 along with other 3D printing companies. 

Source: https://www.shangyexinzhi.com/

 

Source: https://www.3dprintingmedia.network/

 

Conclusion

In general, LSPc has a great future. The technology will help substantially reduce 3D printing cycles from hours to minutes. LSPc printers are cheaper than CLIP machines. Thanks to that and being more available, such printers can be of interest to small and medium business owners. 

Today, this is the most recommended option for high-speed 3D printing.

We’ll talk about yet another such technology below.

 

SLS

As an alternative to LSPc and CLIP we offer you to consider Selective Laser Sintering (SLS). SLS is one of the most multi-purpose and common 3D printing technologies out there. SLS-printed details are used everywhere: planes, cars, phones, etc.

Source: https://www.lynda.com/

 

Technology description

Back in 1980-s, at the University of Texas in Ostin, Dr. Carl Deckard and Dr. Joe Beaman developed and patented a development process called Selective Laser Sintering. This was one of the first methods of 3D printing, even 35 years later, this technology is still being improved. 

Source: https://all3dp.com/

 

SLS is a process of additive manufacturing in which layers of powder are sintered by a high-power laser. Laser beam selectively sinters the powder layer by layer until a 3D model is created. 

Although originally SLS was intended for working with plastic materials, it was later adapted for working with metals, glass and composites. That’s why the SLS term is used to describe 3D printing processes of sintering powders of various materials, not just nylon as in most cases.

Source: https://all3dp.com/

 

A 3D model printed using the SLS technology requires post-processing. After the printing is done, the object remains inside the camera filled with unsintered powder. The container needs to cool down before the print can be taken out. This process can take up to 12 hours. 

After the print cools down and is taken out of the container, it needs to be cleaned of remaining powder. Unsintered powder remaining after the process can be collected and used again. 

Source: https://www.youtube.com/

 

Over the last few years, the appearance of desktop SLS-printers brought about a revolution on the 3D printing market. Unlike their industrial counterparts, compact 3D printers are more affordable to users and small businesses with a limited budget or lack of space for a bigger system. 

 

Strengths and weaknesses

Like any other 3D printing technology, SLS has its own strengths and weaknesses. Therefore, before you go and invest into an SLS printer, let’s review the key features of the technology.

Source: https://www.antonmansson.com/

 

The main strengths of the SLS technology:

  • Manufactured parts usually have isotropic mechanical properties, making them perfect for functional prototypes and end-use parts. 
  • SLS 3D printing requires no supports, which simplifies printing complex geometrical forms and allows for using the entire build volume for prints, increasing efficiency.
  • Polyamides, the most common materials for SLS printing have great mechanical properties, i.e. good rigidity and wear resistance, which makes them more suitable for manufacturing functional parts for direct use. 

 

For example, PA11 (polyamide 11, a type of nylon) is used to manufacture casings for electronic devices and tools, bike pedals and other details, as functional as those manufactured using traditional methods. 

Weaknesses:

  • SLS 3D printing is still relatively expensive and less affordable than FDM and the budget segment of stereolithography, although it surpasses them in efficiency and rigidity of printed objects.
  • Working with powder can be potentially hazardous if proper precautions are not taken.
  • Parts printed using the SLS technology require post-processing to become smooth. 
  • SLS 3D printers can’t reproduce large flat surfaces or small holes, due to the risk of warping.

 

Formlabs Fuse 1

Source: https://formlabs.com/

 

Unlike most industrial 3D printers, Fuse 1 is more affordable, does not require high-level maintenance and has a high print speed. Fuse 1 features a build chamber of 165x165x320 mm, which allows for printing large-scale models. This is the first SLS 3D printer that provides industrial-grade productivity while being compact in size. 

Source: https://www.goprint3d.co.uk/

 

Formlabs Fuse will allow you to print 3D prototypes of vehicles and electronic components, create hinges, clamps, pulleys and other convenience goods.

 

Sinterit Lisa 3D Printer

Source: https://www.voxelfactory.com/

 

Sinterit Lisa was the first desktop SLS 3D printer. This compact machine manufactured in Poland made SLS printing more affordable, while retaining the high quality of printing. 

Sinterit Lisa prints with a minimum layer thickness of 0.075 mm, the build chamber is 150х200х150 mm. It’s one of the most affordable SLS 3D printer on the market. You can check out the current price on our website. 

Source: https://www.youtube.com/

 

Being a desktop 3D printer, Sinterit Lisa provides a relatively large build volume, especially for an SLS 3D printer in such a price range. The machine will allow you to print with Flexa Black/Grey, as well as more sturdy and rigid PA12. The model has a touch screen for convenience. 

There is also an upgraded version called Lisa Pro. You can see its exact price and specifications on our website.

 

Conclusion

SLS is the ideal solution for manufacturing of functional products with complex geometry. Compared to other 3D printing methods, this technology has few limitations when it comes to print construction, which makes it suitable for small-scale production. Although the print speed is inferior to that of LSPc and CLIP printers, SLS is still much faster than FDM or SLM, and SLS printers have a very competitive price, which makes them great for small businesses. 

Source: https://medium.com/

 

Conclusion

High-speed 3D Printing allows to mass produce even high quality objects with complex geometry. Considering the cost of materials, integration of such machines into production is often profitable. 

Carbon 3D printers have impressive speed and accuracy but the business model and such a high cost of use and maintenance will be a dealbreaker for many potential customers, especially small businesses. 

LSPc 3D printers are more affordable - they can be bought without any subscriptions, which is a plus. However, they are not cheap and require expensive proprietary materials. Due to that, in most cases, they are only profitable when working 24/7 at the highest capacity. For small enterprises, the use of such printers may be disadvantageous due to its long pay-off period. 

Source: https://www.tested.com/

 

SLS 3D printing is a viable alternative. It used to be inaccessible due to the cost and size of equipment, but the latest advances brought about more affordable and compact desktop SLS 3D printers.

Materials won’t be a problem - many manufacturers produce polyamide and other polymer powders. It won’t be possible to make materials proprietary. 

Now, when buying a relatively low-cost 3D printer you get a machine capable of producing functional industrial-grade parts. Such printer quickly pays off and keeps bringing profits afterwards.

To choose a great high-speed 3D printer, contact Top 3D Shop. We will find the best option for you and your specific production.

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