In the first 3D Printing News Briefs for this month, we’re starting with some education and business, followed by some how-to videos and a couple of things to ponder. PrintLab’s curriculum is going global, while the province of Victoria in Australia has invested in 3D printing. A Ukrainian company has introduced a new type of metal 3D printing, and you can learn how to cast concrete 3D printed molds and make an etched glass build surface for your 3D printer by checking out two new YouTube videos. There could be even more uses for construction 3D printing than previously thought, and a thermal view of a model being 3D printed on an Ultimaker begs an important question.
PrintLab Portal Available in Polish
3D printing curriculum provider PrintLab, based in the UK, set up an online portal in January, called PrintLab Classroom, to help teachers better integrate 3D printing into their lesson plans. Now that the English version of the learning platform has been successfully launched, PrintLab is working to offer the curriculum portal in multiple languages. Now, thanks to a collaboration with Polish 3D technology and education supplier Paxer, a new PrintLab reseller, the platform is available in Polish, with translations in Spanish and Chinese in the works.
“After a great deal of initial interest and success, we are very pleased to be able to offer our curriculum to Polish students and educators. Our mission has always been to prepare the next generation for their future careers by addressing the widening skills gap and we are now able to do this across multiple regions. Our focus is on finding partners that share our belief and vision and in Paxer, we have found a motivated team that has technology in education at its core,” said Nick Mayor, Co-Founder at PrintLab.
“The aim is to inspire students and teachers around the world to adopt technology into lessons. We have started with Polish, however that is just the beginning. Spanish and Chinese translation is currently being undertaken which is part of our plan of inspiring minds on a global scale and providing teachers worldwide with comprehensive lesson packages, developed alongside teachers.”
New Virtual 3D Printing Hub in Victoria
The manufacturing industry in Victoria, the second most populous state in Australia, contributes $27.7 billion to the Victorian economy. Now, businesses there will be able to connect with additive manufacturing technology and produce products more easily and quickly, thanks to a new dedicated virtual hub. Ben Carroll, the Minister for Industry and Employment, joined Member for Carrum, Sonya Kilkenny, at the Carrum Downs facility of 3D printing company Objective3D to make the announcement this week. The hub, supported by $2 million from the Victorian Government and delivered by Australian Manufacturing Technology Institute Limited – a national body representing manufacturing technology suppliers and users – should improve access for local companies to the state’s 3D printing infrastructure.
Carroll said, “3D printing is a game changer for manufacturing – which is why we’re backing the technology so more local companies can reap the benefits.
“This new hub will help local manufactures innovate, become more productive and excel in future industries.”
xBeam Metal 3D Printing
Ukrainian company NVO Chervona Hvilya has a new form of metal 3D printing it calls xBeam, which it says “was born to make the best features of Additive Manufacturing available for wide industrial community and to prove that definition of Additive manufacturing as the Third Industrial Revolution is reality.” The company has spent roughly four decades developing electron beam technologies for multiple applications, and its exclusive xBeam technology was born from this experience.
With xBeam, the company says you won’t have to decide between high productivity, accuracy, and a defect-free metal structure – its patented solution delivers all three. xBeam is based on the ability of a gas-discharge electron beam gun to generate a hollow, conical beam, which can offer “unique physical conditions for precisely controllable metal deposition and forming of desired metal structure in produced 3D metal part.”
Using 3D Printed Molds to Create Cast Concrete Products
Industrial designer Rob Chesney, the founder of New Zealand-based bespoke design and fabrication studio Further Fabrication, recently published a tutorial on the studio’s YouTube channel about creating cast concrete objects and products with 3D printed molds and no silicone at all. For the purposes of the video, Chesney used 3D printed molds for faceted candle holders.
“In the first half of this video we’re gonna deal with the design and the creation of the molds using the computer and 3D printing,” Chesney said. “In the second half we’ll show you how you go about casting products with some tips and tricks thrown in there along the way.”
To learn how to make your own cast concrete candle holder with a 3D printed mold, check out the Further Fabrication video:
Etched Glass Build Plate
Another new video tutorial, this time by YouTube user MrDabrudda, shows viewers how to make an etched glass build surface for a 3D printer. What’s even better, the plate does not require you to use tape, a glue stick, or even hairspray to get your prints to adhere to it.
“So I’m tired of having to respray the hairspray on my glass bed for my 3D printer, so what I’m doing is taking a 180 grit diamond stone and a tub of water, and I’m going around on here and roughing this up,” MrDabrudda said.
To learn the rest of the process, check out the rest of the video:
Construction 3D Printing Uses
While there are still those who may think that construction 3D printing is all hype, that’s not the case. Sure, maybe it’s not possible to create a fully 3D printed house in a day in every country in the world, but we’re already able to create large-scale, 3D printed objects, with impressive lifespans and tensile strengths, out of a multitude of materials. There are also other applications in construction 3D printing than just houses. Caterpillar has long been interested in 3D printing, and thanks to its early work in research engineering cells, prototyping, and 3D printing tools for the assembly line, it’s now moved into commercial production of nearly 100 components; however, all but one were made of polymers.
“We’ve made a lot of progress with this technology, but not to the point where we are comfortable putting it into, for example, safety equipment or the manufacture of large metal parts, although we are doing a lot of research in that area,” said Don Jones, Caterpillar’s General Manager, Global Parts Strategy and Transformation.
Another OEM with developed 3D printing capabilities is Volvo CE, which stands for Construction Equipment. As of right now, the company has 3D printed spare parts such as plastic coverings, cab elements, and sections of air conditioning units.
“It’s especially good for older machines where the parts that have worn out are no longer made efficiently in traditional production methods,” said Jasenko Lagumdzija, Volvo CE’s manager of Business Support. “Producing new parts by 3D printing cuts down on time and costs, so it’s an efficient way of helping customers.”
Can Thermal Imaging Improve 3D Printing Results?
Usually when I think of thermal imaging, the movie Predator immediately comes to mind – the alien creature tracked its human prey by their body heat signatures. But this technology can also be applied to 3D printing. About two years ago, CNC machine manufacturing company Thermwood Corporation added real-time thermographic imaging as a standard feature on its LSAM (Large Scale Additive Manufacturing) systems. This imaging makes it far easier to adjust and control the entire 3D printing process, which will result in excellent 3D printed structures as a result.
Using thermal imaging can help create high-quality, large tools that are solid and void-free enough to maintain a vacuum, without any necessary surface coating or sealing. To ensure good prints, the temperature of the print surface needs to be controlled, which is tricky to do. But thermal imaging can help operators remain in the optimal range of temperatures. Thermwood seems to be ahead of the times with its thermal imaging capabilities.
A new video was recently posted by YouTube user Julian Danzer showing a large BFR winged rear section model being fabricated on an Ultimaker 3D printer; the video switches about 30 seconds in to a thermal view of the print job. The quality isn’t great, but it makes me think – should all 3D printers come standard with FLIR cameras now? If thermal imaging can really help improve the results of 3D prints, my answer is yes. What do you think?
Discuss these stories and other 3D printing topics at 3DPrintBoard.com or share your thoughts below.
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