Peening Apparatus and Method

Author:  Forgues, Sylvain; Labelle, Brigitte
Source:  US Patent, US 7,954,348 B2
Doc ID:  2011135
Year of Publication:  2011
Abstract:  
A method of peening a surface which comprises the steps of providing a rotary peening tool having at least one rotating flap mounted on the drive shaft which is rotatably driven, measuring the speed of the drive shaft, and controlling the speed of the drive shaft to maintain a desired level. A peening apparatus is also disclosed.