CNC Machining of Precision Struts for the Aerospace Industry

A client in Bilbao, Spain engaged Birken Manufacturing to fabricate struts for use in the turbine exhaust case of a Trent 900 Engine. This engine is designed for the super-jumbo jet, Airbus A380. Operating various machining centers, we applied several processes including Welding, Horizontal CNC Milling, Electrical Discharge Machining (EDM), Plasma Cutting, and Deburring to fabricate the components. Made from hot-formed sheet metal and forged components, the struts had a length of 280.26mm, a width of 257.55mm and a height of 45mm. In accordance with customer provided specifications, we maintained a tight tolerance of ±.0.55mm, a profile surface of 0.60mm and a flatness of 0.15mm. To ensure the highest quality, we performed dimensional and fluorescent penetrant inspections and additional tests using guillotine gages and x-ray. To learn more about our products and services, please contact Birken Manufacturing or see below for details.