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Northrop Grumman revolutionizes aerospace with digital engineering

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U.S. defense giant Northrop Grumman has successfully utilized its sophisticated digital ecosystem to streamline the production of wings for the Model 437 technology demonstrator, flown by its subsidiary, Scaled Composites.

According to a press release from NG, this advancement represents a significant leap in aerospace manufacturing, showcasing how digital integration can enhance efficiency and reduce costs.

The project, known as Digital Pathfinder, involved Northrop Grumman, its customers, and suppliers working collaboratively within a fully connected digital environment from the initial stages of development through to the Model 437’s first flight on August 29.

Colin Miller, Vice President of Engineering at Northrop Grumman Aeronautics Systems, emphasized the benefits of this approach. “We continue to refine these digital tools and capabilities to continuously improve them for future efforts,” Miller stated. “This project demonstrates how high-fidelity models within our digital ecosystem serve as a single source of truth to streamline testing and certification on future aircraft, significantly saving cost and time for our customer.”

The digital ecosystem utilized in the project drastically reduced the need for engineering rework and redesign to less than one percent, a stark contrast to the 15-20% typically experienced with traditional methods. The initiative also leveraged high-fidelity models combined with rigorous and approved model validation schemes, which reduced the need for extensive ground and flight tests.

Moreover, the demonstration employed advanced manufacturing techniques, such as the production of a titanium structural bracket using plasma arc energy deposition—a method believed to be a first in the defense industry. This technique, part of the Digital Pathfinder project, showcases the application of innovative additive manufacturing techniques that not only reduce the need for hard tooling but also improve first-time quality and decrease manufacturing rework.

Northrop Grumman, a global leader in aerospace and defense technology, continues to push the boundaries of innovation.

 

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