A new process has been developed to cold work fastener holes on commercial aircraft flap tracks fabricated of 4340M steel. The process consists of pressing a high strength solid mandrel through a previously prepared hole in a defined manner. This process exhibits high tool life, low overall cost and eliminates the necessity for a final ream operation.
Development of Cold Working Process for 4340M Steel
Sae Technical Papers
Aerofast Conference & Exposition ; 1995
1995-09-01
Conference paper
English
Development of Cold Working Process for 4340M Steel
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