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Precision Machined & Anodized Structural Aerospace Parts

Complex Surface Structural Component
Complex Surface Structural Component

The components and assemblies we produce at Clearwater Engineering are used in fracture critical applications by customers throughout the aerospace industry. The component shown here is a rib which is used to support the nacelle structure in an aircraft. The 3" thick rib is machined from high strength 2219-T851 plate and measures 39" in length and 11" in width. We have an extensive array of CNC milling and turning equipment capable of holding tight tolerances and efficiently machining an array of production volumes. For this project, tolerances as tight ±0.002" were held in accordance with customer specifications.

Although ideal for its high strength to weight ratio, untreated 2219-T851 aluminum is subject to corrosion. To protect the rib from corrosion, the part was anodized to enhance corrosion resistance and provide a primed substrate prior to painting. The part is subjected to nondestructive testing, which is used to verify conformance to customer specifications and industry standards. We produce approximately 24 of these parts annually with a lead time of one month. For additional details regarding this fracture critical aerospace machining project, see the table below, or contact us directly.

Custom Machined Aviation Parts Project Details

Product Description
Fracture critical rib used to Support a Nacelle Structure
Capabilities Applied/Processes
  • Machining
  • Anodizing
  • Painting
Overall Part Dimensions
Thickness: 3"
Length: 39"
Width: 11"
Tightest Tolerances
Material Used
Aluminum 2129 T851 Plate
Material Finish
Chromic Acid rinse , Masked and Prime
Additional Facts
Parts have critical OML surfaces
In process testing/inspection performed
Non Destructive Testing
Industry for Use
General Aviation
36 Annual
Delivery/Turnaround Time
1 month
Delivery Location
USA and Europe
Standards Met
Customer Specifications, Fracture Critical
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