Electron Beam Engineering Selected as Qualified Laser Welding Vendor for the Airbus A320neo Engine

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Nut fastening devices for the aerospace industry often require the welding of two or three components during assembly. This is where laser and electron beam welding are beneficial because both processes help to maintain the heat treatment of the materials and to minimize any deformation of the threads.

We were approached to perform the intricate laser welding of the fastening device within the fluid coupling mechanism that went into production last year. Both our company and the laser welding process we planned to use had to be qualified by the customer

Electron Beam Engineering, Inc. (ebeinc.com), an established precision electron beam and laser beam welding company, has announced that it has been approved for the laser welding required in the hydraulic fuel system of the Airbus A320neo engine. “We were approached to perform the intricate laser welding of the fastening device within the fluid coupling mechanism that went into production last year,” said Grant Trillwood, general manager at Electron Beam Engineering (EBE). “Both our company and the laser welding process we planned to use had to be qualified by the customer.”

Nut fastening devices for the aerospace industry often require the welding of two or three components during assembly. This is where laser and electron beam welding are beneficial because both processes help to maintain the heat treatment of the materials and to minimize any deformation of the threads. After a meeting with the customer, it was decided that a laser weld would be more cost effective and EBE recommended the welding specification AWSD17.1, which covers material and design, fabrication, inspection, and qualification. EBE developed the laser welding parameters and produced cross-sectioned samples for testing and to confirm that the weld met the depth and strength requirements for this application. Once signed off, EBE was able to record the welding parameters and submit the weld schedule to the customer for final approval. The assembly and fit-up of the components are crucial in order to ensure that the weld parameters produce the same integrity of weld as the qualification samples. These requirements for laser and electron beam welding are very often overlooked so that when production begins, the welds may not meet the quality requirements because of inconsistent machining tolerances. EBE advised the customer about the significance of maintaining critical dimensions to insure consistent welding. Even a small amount of mismatch in the joint can cause welding irregularities, which result in rejected parts.

“The EBE team was able to design a multi-use fixture that is interchangeable for various sizes of nuts,” added Trillwood. “This enables us to maintain 100% on time delivery as the production quantities increase combined with an acceptance rate of over 99.8%!”

To learn more about Electron Beam Engineering and their welding advisory service for electron beam and laser beam welding, please visit ebeinc.com or call 1.800.EB.WELDS (1.800.392.3537). You can also follow EBE on Facebook, LinkedIn, and YouTube.

Electron Beam Engineering
Electron Beam Engineering provides precision electron beam welding and laser beam welding services throughout the United States, Europe, and Australia. EBE is located in Anaheim California and specializes in working with complex components for a variety of applications including medical, sensor, aerospace, and automotive. Richard Trillwood, CEO, founded EBE in 1991 and is the designer of the world’s first compact production electron beam welding machine from which he has developed a wide range of precision laser and electron beam welders. In 2010, EBE was awarded “Manufacturer of the Year” by the Anaheim Chamber of Commerce and has earned a number of certifications in the welding, medical, and aerospace industries. ebeinc.com.

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Janet Roberts
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