Evolution in Applications and Tools for Rotary Flap Peening
Author: Wolfgang Hennig - Sentenso
Source: The Shot Peener magazine, Vol 35, Issue 1, Winter 2021
Doc ID: 2021005
Year of Publication: 2021
Abstract:
ROTARY FLAP PEENING (RFP) has been a
well-known and established process in the aviation industry
for many decades. Initially RFP was developed for repair
peening on military aircraft and helicopter components. The
technique can eliminate part disassembly and shipment to
a dedicated shot peening facility. Today RFP is widely used
in civil aerospace as well. With this smart process in place,
excessive shipping time and organizational effort can be
eliminated. Many different units, from landing gears and
brakes to structure, wing and fuselage bodies to thin-walled
components like flaps and wing spars, are flap peened during
maintenance, repair and overhaul. Latest applications can be
found in OEM aerospace parts production where the process
allows for small spot repair of slight surface scratches thus
salvaging expensive parts. Other application trends are in
manual shape corrections of shot-peened and peen-formed
parts.
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