On January 6, 2016, the US Air Force announced that they will use Aerojet Rocketdyne's services to enhance their 3D printing capabilities. Based on this $6 million deal, Aerojet Rocketdyne will develop a new standard for 3D printed liquid fuel engines.
It is understood that the reason why the US military has thrown such a new contract is partly because it hopes to reduce its dependence on expensive, foreign-made parts. For example, the Atlas V rocket manufactured by United Launch Alliance uses the Russian-made RD-180 rocket engine. It is expected that in the coming year, with the continuous advancement of the propulsion system project developed in the United States, there will be more contracts like this. In addition, cost efficiency is one of the goals. 3D printing of these engine parts will greatly reduce manufacturing costs and production cycles, and give engineers more freedom and flexibility in design.
Aerojet Rocketdyne is said to have been selected for its extensive experience in metal 3D printing. The contract requires Aerojet to develop a rigorous inspection process for 3D printed parts to ensure it meets the requirements of complex aerospace systems. At the same time, they are also developing the AR1 engine as a replacement for the Russian RD-180 engine.
According to Julie Van Kleeck, vice president of advanced space and launch projects at Aerojet Rocketdyne, 3D printing technology is well suited for aerospace manufacturing. "The new liquid rocket engine design - like the AR1 engine we are developing to replace the Russian RD-180 - is increasingly using 3D printing technology because it reduces the time and money required to build these complex parts. "she says.
You may be familiar with the Aerojet Rocketdyne company because we have reported the company many times. The company has extensive experience in the aerospace and military industries, and has previously developed missile defense and strategic systems. In 2014, they successfully tested an engine consisting entirely of 3D printed parts that produced 5,000 pounds of thrust. Last year, they also successfully reproduced the gas generators of the F-1 engine injectors used in the Apollo era using 3D printing technology. "The additive manufacturing and testing of this new technology into our AR1 design for the Atlas V plus for US-made engines, and Vulcan rocket ready to launch in 2019 is essential." Van Kleeck said.
Jay Littles, director of advanced launch vehicle propulsion at Aerojet, is confident that their experience is a big guarantee. He said: "We have 70 years of experience in building rocket engines, which represents more than 2,100 successful launches. By combining these with our in-depth knowledge of additive manufacturing, we can help the US Air Force develop this "Technical requirements," he said: "In fact, "Fast Company" magazine ranked Aerojet Rocketdyne as the number one of the top 10 most innovative companies in the world's aerospace industry in 2015, because we are in additive manufacturing. The lead."
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