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Home->Fastener News->Printed titanium parts expected to save millions i...You are the 679286 visitors
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Printed titanium parts expected to save millions in Boeing Dreamliner costs

"The contract announced on Monday is a major step in Boeing's effort to boost the profitability of the 787 and a sign of growing industrial acceptance of the durability of 3-D printed metal parts, allowing them to replace pieces made with more expensive traditional manufacturing in demanding aerospace applications."

Boeing Co hired Norsk Titanium AS to print the first structural titanium parts for its 787 Dreamliner, a shift that the Norwegian 3-D printing company said would eventually shave $2 million to $3 million off the cost of each plane.

The contract announced on Monday is a major step in Boeing's effort to boost the profitability of the 787 and a sign of growing industrial acceptance of the durability of 3-D printed metal parts, allowing them to replace pieces made with more expensive traditional manufacturing in demanding aerospace applications.

Strong, lightweight titanium alloy is seven times more costly than aluminum, and accounts for about $17 million of the cost of a $265 million Dreamliner, industry sources say.

Boeing has been trying to reduce titanium costs on the 787, which requires more of the metal than other models because of its carbon-fiber fuselage and wings. Titanium also is used extensively on Airbus Group SE's rival A350 jet.

"This means $2 million to $3 million in savings for each Dreamliner, at least," starting in 2018 when many more parts are being printed, Chip Yates, Norsk Titanium's vice president of marketing, said in a telephone interview.

Boeing builds 144 Dreamliners in a typical year. The company declined to comment on the estimate but said Norsk's technology would help reduce costs.

The Dreamliner turned profitable last year after racking up nearly $29 billion in production-related losses.

Norsk worked with Boeing for more than a year to design four 787 parts and obtain Federal Aviation Administration certification for them, Yates said.

Norsk expects the U.S. regulatory agency will approve the material properties and production process for printed parts later this year. That will "open up the floodgates," Yates said, by allowing Norsk to print thousands of other parts for each Dreamliner, without each part requiring separate FAA approval, resulting in the millions in expecting savings per plane.

"You're talking about tons, literally," on the 787 that would be printed instead of made with traditional, expensive forging and machining, he said.

General Electric Co is already printing metal fuel nozzles for aircraft engines. But Norsk and Boeing said the titanium parts are the first printed structural components designed to bear the stress of an airframe in flight.

Norsk said it will print initially in Norway, but aims to have nine printers running by year-end at a 67,000-square-foot (6,220-square-meter) facility in Plattsburgh, New York.

(Source:www.reuters.com)

2017/6/9 16:34:00

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