LINGUISTICS & CULTURE
|Data:||31/MAR/2010 3:10 PM|
You are right. He has a great sense of humor...
In an nutshell, shot penning is a type of treatment applied to gears, it makes a compressive stress to the gear surface, and in the end, you have a more reliable gear.
It is done basically by a group of shots of small spheres directly into the metal surface (some types of shot penning uses polymeric spheres).
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