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Improved Gear Life Through Controlled Shot Peening - September/October 1986

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Archive > 1986 > September/October 1986 > Improved Gear Life Through Controlled Shot Peening

The article "Improved Gear Life Through Controlled Shot Peening" appeared in the September/October 1986 issue of Gear Technology.

Summary
The search for greater gear life involves improvement in cost, weight and increased power output. There are many events that affect gear life, and this paper addresses those relating to fatigue, gear tooth pitting, fatigue strength losses due to the heat treating processes and shot peening technique. The capability of shot peening to increase fatigue strength and surface fatigue life eliminate machine marks which cause stress risers, and to aid in lubrication when properly controlled, suggests increased use and acceptance of the process.

Keywords
shot peening, fatigue, pitting

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