5-Axis Machining, Fabrication and Inspection of Aft Tail Cone Assembly Jig

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At West Cobb Engineering And Tool Inc., we have specialized in precision machining for the aerospace industry for over 30 years. A client needed an aft tail cone assembly jig for an aircraft assembly, and our company was a natural fit with our high level expertise and cutting edge equipment. We employed our SNK 250 CNC 5-Axis Machine, Calypso Dual-Head Waterjet, and our MIG welder to machine this assembly from steel tubing. Our Brown and Sharpe 10 40 10 Coordinate Measuring Machine (CMM) and Leica Laser Tracker were used to inspect the headers and set details. The assembly was surface ground for a smooth finish and epoxy painted. When completed, the tail cone assembly jig measured 131.7″ in length, 75.1″ in width, 32.9″ in depth, which was machined to precision tolerances of ± 0.005″. The part’s weight was estimated at 2500 lbs. – 3000 lbs., demonstrating our capability to handle very large components. The assembly jig met the standards of AS9100 REV D, ISO 9001:2015, and our customer’s exact specifications. The finished product was delivered to our client in Wichita, Kansas.

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