SAE has released a new Revision S for AMS 2430, “Shot Peening, Automatic,” and it is available now from Document Center Inc. in both paper and pdf format. This specification covers the requirements for automatic shot peening of surfaces of parts by impingement of media, including metallic, glass, or ceramic shot.
This document includes requirements for the set-up, operation and verification of the shot peening process. Related peening processes, like tumble peening, manual peening, peen forming and straightening, etc. are not a part of this specification.
Shot peening is used to induce residual surface compressive stresses in metal parts to increase fatigue strength and resistance to stress-corrosion cracking. Commonly it’s used for axles, springs, gears, shafting, aircraft landing gear, and structural parts. Ceramic and glass shot peening are used when iron contamination of non-ferrous or stainless steel parts is a concern.
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