Lockheed's 3D Printed Dome Holds 74 Gallons of Coffee
3D press may have started out as an expensive hobby for anyone wanting to experiment with creating things out of melted plastic, but industry soon saw the potential benefits and cost savings on offer. Boeing, for example, managed to relieve $iii million per Dreamliner thanks to 3D printing, and now Lockheed Martin is taking advantage of it for satellite product.
Last week, Lockheed appear the completion of its largest e'er 3D printing project. The parts being manufactured are huge domes meant for the height and bottom of satellite fuel tanks. The domes are fabricated from titanium and accept a diameter of 46-inches.
Lockheed tried to put the size of these domes in perspective by offering some unusual suggestions as to what they could be filled with. For example, each dome can hold 74.4 gallons of coffee (1,191 8oz cups), 530 glazed donuts, 310,000 hard shell candies, or 6,225 ping pong balls.
Merely because it's 3D printed doesn't mean each dome isn't stiff. Lockheed says the fuel tanks need to exist strong plenty to last a decade in the vacuum of infinite while remaining lightweight. By opting for 3D printing the visitor claims it knocked 87 percent off the build schedule (roughly 3 months instead of two years). The same domes manufactured using traditional techniques would each have a year and waste 80 percent of the fabric. Now there is no waste and only a few months of product.
Two of these domes will exist attached to a traditionally-manufactured tank to form a terminal fuel tank measuring 94.8 inches in top. Rick Ambrose, Lockheed Martin Space executive vice president, said this is a pace towards the company's goal of producing satellites "twice as fast and at half the price." With that in listen, Lockheed has also embraced virtual reality as part of the design process.
Before the domes, the largest object Lockheed had 3D printed was a toaster-sized electronics enclosure for the US armed forces's Advanced Extremely High Frequency satellite program. Perchance adjacent they'll manage to calibration upwardly even further and 3D print the entire fuel tank without needing to combine three separate parts.
Source: https://sea.pcmag.com/lulzbot-mini-3d-printer-2/28363/lockheeds-3d-printed-dome-holds-74-gallons-of-coffee
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