We’re starting today’s 3D Printing News Briefs out with a new case study, and then concluding with some business. CRP USA has been working with additive manufacturing in the motorsports sector. Moving on, Gardner Aerospace has acquired FDM Digital Solutions Ltd. Finally, the Head of Engineering at Formlabs is joining up with Digital Alloys.
CRP USA AM in Motorsports Case Study
3D printed oil pan in Windform SP, University of Victoria’s Formula SAE race car 2019 version
The University of Victoria (UVic) Formula Motorsport team has been using 3D printed oil pans on their SAE competition cars for the last four years that were created with CRP USA‘s laser sintering process, and Windform TOP-LINE composite materials. As a CRP case study details, carbon-composite Windform XT 2.0 was used to print the oil pans for the race vehicles in 2016, 2017, and 2018, and while they performed “amazingly” the first two years, the engine overheated during a test of last year’s car, which caused the temperature of the oil to rise above what the pan could handle.
For this year’s vehicle, the team decided to use the carbon-filled Windform SP composite material to 3D print the oil pan, as it has a higher melting point. They also made the mating flange thicker to lessen the chances of failure, and both of these changes led to a better, more robust oil pan. At next week’s Performance Racing Industry (PRI) Trade Show in Indianapolis, CRP USA will be showing off some of the other 3D printed solutions it’s helped create for the motorsports industry at booth 1041 in the Green Hall.
Gardner Aerospace Acquires FDM Digital Solutions
Graeme Bond (FDM) & Dominic Cartwright (Gardner Aerospace)
Global manufacturer Gardner Aerospace announced its acquisition of FDM Digital Solutions Limited, one of the UK’s top polymer additive layer manufacturers. FDM was formed in 2012, and its business model of original design solutions, manufacturing capability, and customer collaboration is successful in the aerospace, automotive, medical, and motorsports industries. The company will now become part of the new Gardner Technology Centre business unit, which is focused on R&D and advanced technology.
“Gardner Aerospace is breaking new ground in terms of technology. The acquisition of FDM and the creation of our new Technology Centre business unit provides us with the perfect opportunity to expand our technical knowledge, R&D capability and product offering, and aligns us with our customers’ growing expectations on innovative solutions, continuous improvement and cost competitiveness,” stated Gardner Aerospace CEO Dominic Cartwright.
“The role of 3D printing within manufacturing is constantly expanding and this newly acquired additive layer manufacturing capability complements Gardner’s long-standing capabilities as a producer of metallic detailed parts and sub-assemblies.”
Formlabs’ Head of Engineering Joins Digital Alloys
Carl Calabria, an AM industry veteran and the Head of Engineering at Formlabs, is leaving the company to join Digital Alloys, Inc. as its CTO. The Burlington, Massachusetts-based 3D printing company introduced its unique Joule printing last year, which it claims is the fastest way to make the hardest metal parts, as the wire-feed process doesn’t require any metal powder. By adding Calabria to its team, where he will be responsible for the company’s research and engineering, Digital Alloys can accelerate the release of its high-speed metal AM process.
“Leaving Formlabs was a difficult decision, but I was drawn to the size of Digital Alloys’ market, the team, and the opportunity to use Joule Printing to deliver metal printing solutions that have the speed, cost and quality needed for volume manufacturing of larger parts,” said Calabria. “The remarkable technology is producing titanium and tool steel parts faster, and at lower cost than conventional manufacturing processes.”
Watch this video to see Digital Alloys’ Joule printing process in action:
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We’ve got plenty of business news for you in today’s 3D Printing News Briefs, and a little scientific research as well. Kelyniam Global has acquired new 3D printing technology, while Rostec makes an investment in technology. One of the earliest SpaceX employees is now an advisor for another aerospace company, the Youngstown Business Incubator has received a federal grant, and SAE International recently hosted a 3D printing webinar. Auburn University has been chosen as the site of a new National Center of Additive Manufacturing Excellence, and a new study discusses 4D printed elastic ceramics.
Kelyniam Global Adds New 3D Printing Capabilities
Using medical models for surgical pre-planning is almost a clinical standard these days. In an effort to increase its current medical modeling skills, custom 3D printed cranial implant manufacturer Kelyniam Global, which works with health systems and surgeons to improve cost-of-care and clinical outcomes, announced that it has expanded its 3D printing capabilities with the acquisition of new technology. This new technology aligns with the company’s reputation as a premium supplier of cranial implants requiring excellence in design and quick turnaround times.
“This state-of-the-art equipment will enable Kelyniam to produce certain medical models on the same 24-hour turnaround schedule we offer for cranial implants. The ability to rapidly print ultrahigh resolution models with high accuracy across our entire platform is a significant differentiator in our industry,” said Kelyniam COO Chris Breault.
Rostec Investing in Industrial 3D Printing Development
Russia’s state technologies corporation Rostec (also Rostek and Rostekh), which develops products for high-tech and communication systems, has invested nearly 3 billion rubles to create a specialized center for industrial 3D printing. The Center for Additive Technologies (CAC), with a goal of reducing the amount of time and money it takes to launch new products, will offer customers a full range of services and advanced 3D printers. The CAC’s main task will be introducing industrial 3D printing to high-tech industries that could really use it.
“Industrial 3D printing is becoming one of the indispensable attributes of modern industry. We see the high potential of this technology and introduce it into our production practice,” said Anatoly Serdyukov, the Industrial Director of the aviation cluster at Rostekh State Corporation. “For example, in the JDC today, about three tons of parts per year are produced by the additive technology method. The holding plans to widely use them in the serial production of promising Russian gas turbine engines, which will be certified in 2025 – 2030. The creation of a specialized center will expand the scope of this technology and produce parts for such industries as aircraft building, space, high technology medicine, automotive industry.”
Project participants calculate that the CAC’s first pilot batch of parts will be manufactured there sometime in 2019.
Former SpaceX Employee Becomes Advisor to Relativity Space
Jordan Noone, Relativity Space Co-Founder, said “When I was at SpaceX, Tim’s stellar reputation for breadth and depth of engineering and operations was legendary in the industry.”
Buzza spent 12 years helping to develop SpaceX’s Falcon 9 rocket and Dragon spacecraft and will advise Relativity Space on organizing the company structure, launch site selection and trades, rocket architecture, structures and avionics, and more.
Federal Grant Awarded to Youngstown Business Incubator
The Youngstown Business Incubator (YBI) is about to receive some new 3D printing software and hardware, thanks to a federal grant. Recently, the Appalachian Regional Commission awarded $185,000 in federal funding to YBI. The new 3D printers and 3D printing software that the grant will fund, in addition to being a boon for YBI, will also help to strengthen its frequent area partners Youngstown State University (YSU) and America Makes.
“Each additional piece of equipment further strengthen us as a national and international leader in additive manufacturing technology and this is a key part of that process,” said Michael Hripko, YSU’s Associative Vice President for Research.
SAE International Recently Held Additive Manufacturing Webinar
Topics covered during SAE International’s webinar last week included novel AM methods that translate to automotive and aerospace applications, the risks involved in introducing 3D printed, flight-critical parts, and the anticipated timeline for general acceptance of 3D printed parts by aerospace customers.
Auburn University Site of New National Center of AM Excellence
“The Center of Excellence is going to facilitate us bringing together the best technical experts in industry, government, and academia, and that’s going to help us develop the very best standards for this emerging technology,” said Katharine Morgan, the President of ASTM International.
New Study On 4D Printed Elastic Ceramics
3D printing EDCs. (A) 3D printed large-scale elastomeric honeycomb. (B) 3D printed microlattices and (C) honeycombs of PDMS NCs and first EDCs and second EDCs.
Shape-morphing assembly is a great technology for applications in 4D printing, biomaterials, life sciences, and robotics, and multiple materials like ceramics, silicone, and polymers are used. But, we’ve not yet seen much in the way of ceramic structures derived from soft precursors that allow for elastic deformation. Polymer-derived ceramics (PDCs) have some excellent properties, such as high thermal stability and chemical resistance to oxidation and corrosion, and their microstructures can be fine-tuned through tailored polymer systems.
While we’re seeing a lot in the way of 3D printing soft materials, current ceramic precursors are not flexible and stretchable. Guo Liu, Yan Zhao, Ge Wu, and Jian Lu with the City University of Hong Kong published a paper, titled “Origami and 4D printing of elastomer-derived ceramic structures,” that explains how they developed silicone rubber matrix nanocomposites (NCs) that can be 3D printed and deformed into elastomer structures with complex shapes and transformed into mechanically strong EDCs.
The abstract reads, “Four-dimensional (4D) printing involves conventional 3D printing followed by a shape-morphing step. It enables more complex shapes to be created than is possible with conventional 3D printing. However, 3D-printed ceramic precursors are usually difficult to be deformed, hindering the development of 4D printing for ceramics. To overcome this limitation, we developed elastomeric poly(dimethylsiloxane) matrix nanocomposites (NCs) that can be printed, deformed, and then transformed into silicon oxycarbide matrix NCs, making the growth of complex ceramic origami and 4D-printed ceramic structures possible. In addition, the printed ceramic precursors are soft and can be stretched beyond three times their initial length. Hierarchical elastomer-derived ceramics (EDCs) could be achieved with programmable architectures spanning three orders of magnitude, from 200 μm to 10 cm. A compressive strength of 547 MPa is achieved on the microlattice at 1.6 g cm−3. This work starts a new chapter of printing high-resolution complex and mechanically robust ceramics, and this origami and 4D printing of ceramics is cost-efficient in terms of time due to geometrical flexibility of precursors. With the versatile shape-morphing capability of elastomers, this work on origami and 4D printing of EDCs could lead to structural applications of autonomous morphing structures, aerospace propulsion components, space exploration, electronic devices, and high-temperature microelectromechanical systems.”
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