Rolls-Royce宣布，3D打印正在为下一代飞机发动机带来艰巨的方式。
这Advance3engine will form the core of the company’s UltraFan engine design, scheduled for launch in 2025.
Advance3发动机使用3D打印或添加层制造（ALM）来制造20,000个组件中的一些。发动机还包括陶瓷基质复合材料（CMC）。
Rolls-Royce says that over 100 hours of testing have been completed and “Initial results are showing excellent performance”.
An earlier Rolls-Royce engine, the Trent XWB-97, featured thelargest additive manufactured component flown。直径为1.5米的钛结构在Arcam的金属AM系统上打印了3D。现在，Arcam归Rolls-Royce竞争对手GE拥有，还有待观察Am System Rolls-Royce将用于Advance3。
航空航天的高级材料和添加剂制造雷电竞充值
这use of advanced materials and manufacturing is key to the early success of the project. “ALM allows engineers to create new designs for parts, and for those parts to be made and redesigned more quickly. CMCs last longer in high temperatures and are lighter than metal alternatives,” explained Rolls-Royce.
Ash Owen, Rolls-Royce, Chief Engineer, Civil Aerospace Demonstrator Programmes, said: “Testing so far has been completely seamless, which is an outstanding achievement when you realise that this is an engine incorporating a range of new technologies as well as a brand new core architecture. We have completed our first phase of testing and analysing the results right now. We like what we see from the CMC and ALM parts performance. ”
Testing of the Advance3 began in November 2017 , with full power levels reached in July.
这航空业已经开始使用CMC由于它们能够在极端温度环境中运行，例如发动机的热门部分。随着发动机燃料使用的温度升高，航空公司的运营成本降低。
通过使用CMC和3D打印，Advance3 Core“与第一代Trent发动机相比，燃油效率将提高25％。”提高的燃油效率也将导致较低的排放。
这project is funded by Aerospace Technology Institute (ATI) in association with英国创新and Clean Sky 2.
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