Peening method for vehicle suspension spring
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United States of America Patent
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May 24, 2011
Grant Date -
Oct 23, 2008
app pub date -
Apr 17, 2007
filing date -
Apr 17, 2007
priority date (Note) -
Expired
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Abstract
A method of manufacturing a vehicle suspension component, such as a helical coil spring, includes the step of rotating a first impeller to project ceramic peening media in a first direction toward the vehicle suspension component to peen a surface section of the vehicle suspension component. In one example, the vehicle suspension component is peened with metal peening media before peening with the ceramic peening media.
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