Lockheed Martin Friction Stir Weld Now Under Way on Orion Test Article
This ground test article will serve as a production pathfinder to validate the flight vehicle production processes and tools. When completed, this first full-sized, flight-like crew module will be tested on the ground in equivalent flight-like environments, including static vibration, acoustics and water landing loads. Results will be used to correlate sizing models for all subsystems on the vehicle.
The initial weld joined an Aluminum-Lithium (AL) 2195 cone panel and AL 2219 longeron using an innovative friction stir welding process. This high-strength, high quality welding process will be used for all crew module welds. Weld operations on the test article will continue for approximately three months. The structure will then undergo mechanical assembly, integration and testing in
“Orion is applying the latest materials and manufacturing technologies, and most efficient processes to produce the lightest weight structure possible. We are excited about successfully achieving this production milestone on our critical path schedule,” explained
Orion weld operations take place on a Universal Weld System II (UWS II) that includes a 22-foot diameter turntable, a self-reacting friction stir weld head and a modular t-grid floor. The system affords virtually unlimited five-axis welding on fixture-mounted hardware.
The UWS II is part of the National Center for Advanced Manufacturing, managed by the
To see high- and low-resolution photos of the Orion weld, click on http://www.lockheedmartin.com/ssc/michoud/MichoudImages/orioncrewmodule.html
Lockheed Martin is the prime contractor to NASA for the Orion crew exploration vehicle, which is scheduled to make its first crewed flight in 2015. Orion will be a complex, state-of-the-art spacecraft with more capability, flexibility and adaptability than any previous human space flight vehicle.
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SOURCE Lockheed Martin