SHOT PEENING METHODS AND UNITS

Author:  P. Cheppe, V. Desfontaine, J-M Duchazeaubeneix
Source:  US Patent 7,665,338 B2
Doc ID:  2010040
Year of Publication:  2010
Abstract:  
The present invention provides a method of shot peening at least a portion of a rotary machine comprising a rotor. Shot peening is carried out with a rotor which is at least partly assembled. The method comprises: fixing a system for supporting at least one acoustic assembly to the machine; and shot peening at least one region of the machine using projectiles which are moved by the acoustic assembly.