CapabilitiesPrecision CNC Machining Services
For Aerospace Components
Custom Aerospace Engine
Component Concurrent
Engineering Services
Secondary Operations:
Specialty CMM Inspection &
Testing Capability
Example ProductsCNC Machining of 
Stainless Steel Seal Runners
for the Aerospace Industry
Fabrication & Assembly of
Turbine Exhaust Case Struts
CNC Machined
Titanium Shroud Sets
Custom CNC Machining of
Stator Assemblies
Custom Fabrication of Aluminum
Core Vane Assemblies
CNC Machining of
Titanium Sump Housing
CNC Milled Magnesium
Gearbox Housings & Cases

Custom Fabrication & Assembly of Turbine Exhaust Case Struts

Custom CNC Milling of Magnesium Gearbox Housing Unit
  Core Vane Assembly


Birken Manufacturing fabricates struts for use in the turbine exhaust case of the Trent 900 engine. This engine is one of two designed for the Airbus A-380 jumbo-jet. Operating various machining centers, several processes are utilized including welding, vertical / horizontal CNC milling, electrical discharge machining (EDM), water jet cutting, deburring and hot forming. Made from sheet metal and forged components, the struts have an envelope of approximately 9" x 10" and a weight of 7 to 12 lbs. for the completed assembly. In accordance with customer specifications, we maintain extremely tight tolerances including a profile surface of 0.60 mm and a flatness of 0.15 mm. To ensure the highest quality, we perform internal dimensional and fluorescent penetrant inspections and additional tests using guillotine gages and outside x-ray. To learn more about our products and services, please contact Birken Manufacturing or see below for details.


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