Articles
3D Printed Titanium Replaces Aluminum for Unmanned Aircraft Wing Splice: The Cool Parts Show #72
Rapid Plasma Deposition produces the near-net-shape preform for a newly designed wing splice for remotely piloted aircraft from General Atomics. The Cool Parts Show visits Norsk Titanium, where this part is made.
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Titanium Cheaper Than Aluminum? The Cool Parts Show All Access
General Atomics’ Steve Fournier describes how directed energy deposition makes titanium economical for aircraft structural components.
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BMW Expands Use of Additive Manufacturing to Foster Production Innovations
The BMW Group is manufacturing many work aids and tools for its own production system using various 3D printing processes, with items such as tailor-made orthoses for employees, teaching and production aids, and large, weight-optimized robot grippers, which are used for such things as carbon fiber-reinforced polymer roofs and entire floor assemblies.
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Q&A With Align EVP: Why the Invisalign Manufacturer Acquired Cubicure, and the Future of Personalized Orthodontics
Align Technology produces nearly 1 million unique aligner parts per day. Its acquisition of technology supplier Cubicure in January supports demand for 3D printed tooling and direct printed orthodontic devices at mass scale.
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Will the Successes of NASA’s RAMFIRE Project Lead to an Operational Aerospike Engine?
NASA’s RAMFIRE project has additively manufactured a 36-inch diameter aerospike nozzle with complex integral coolant channels for a more efficient way to propel rockets to outer space. NASA engineers will use this as a proof of concept to inform future component designs.
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From Elementum 3D: Will NASA’s RAMFIRE Project Lead to an Operational Aerospike Engine?
This chronicle from Elementum 3D describes the success of NASA’s RAMFIRE project which additively manufactured a 36-inch diameter aerospike nozzle with complex integral coolant channels for a more efficient way to propel rockets to outer space. Engineers plan to use this as a proof of concept for future component designs as NASA reimagines rocket engine technology.
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3D Printed PEEK Spine Implants in Production: The Cool Parts Show Bonus
Curiteva is using Fused Strand Deposition to produce two different lines of FDA-cleared spine implants. We visited the company’s Huntsville, Alabama, facility to learn more.
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What Holds AM Back in Automotive Production? GM Additive Lead Describes Advances Needed
“If AM were cheaper, we would be doing more of it,” says GM’s Paul Wolcott. Various important factors relate to cost. However, the driving factor affecting cost is speed.
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Quadrus: Powder Management Tactics for Tungsten Rhenium and Other AM Alloys
The expert in additive manufacturing of high-value parts for the Defense Department often must change from one exotic material to another in its powder bed machines. Cleaning is a core competency. Here are lessons of this company’s system for working with an ever-changing mix of 3D printed alloys.
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For Scale Production Via AM, Are Big Machines or Small Machines Better?
One choice offers more build volume and longer unattended runs. The other offers a tighter space to control and more frequent turns. In this LinkedIn post, here are various applications examples of both, plus views from readers.
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Video: AM for Harder, Longer-Lasting Brake Discs
Additive manufacturing is being applied to limit automotive brake dust. For a major automaker, Etxetar and Talens are developing a production-speed directed energy deposition system to give brake discs a precise layer of wear-resistant carbide.
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3D Printed Human-Operated End-of-Arm Tooling Promotes Safety and Throughput
Toolmaker and injection molder Zero Tolerance developed a manual tool to enable an operator to quickly place inserts into a mold.
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