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

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.

Welding, CNC Milling & Fabrication of Struts
Fabrication & Assembly of Landing Gear Struts

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Highlights of this Custom Fabricated Component for the Aerospace Industry

Product Description

These struts are assembled into the turbine exhaust case of a Trent 900 Engine, which is designed for the Airbus A-380

Capabilities Applied/Processes
Horizontal CNC Milling
Electrical Discharge Machining (EDM)
Plasma Cutting
Fluorescent Penetrant Inspection
Equipment Used to Manufacture Part Fadal and Okuma Machining Centers
Overall Part Dimensions Length: 280.26mm
Width: 257.55mm
Height: 45mm
Tightest Tolerances ±.15mm
Profile of Surface of .60mm
Flatness of .15mm
Material Used Hot-Formed Sheet Metal
Forged Components
In process testing performed Dimensional Inspection-CMM and Guillotine Gages
Fluorescent Penetrant Inspection (FPI)
Industry for Use Aerospace
Delivery Location Bilbao, Spain
Standards Met Customer supplied print, 2D CAD Drawing
Product Name Strut

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