Influence of Peening Parameters, Coating Temperatures and Operating Loads on Residual Stresses of Shot-Peened Barrell Springs

Author:  Hutter, W. and Kloos, K.H.
Source:  Conf Proc: ICSP-3, (p.509-516)
Doc ID:  1987048
Year of Publication:  1987
Abstract:  
In recent years, a clear trend has developed towards increasing the strength of vehicle suspension springs by the greater utilization of the properties of materials. This trend evolved from the desire to save weight. A compact version of a spring with high load capacity is the barrel spring /1/, which like all other vehicle suspension springs is shot peened in order to increase its operating life. BMW uses a barrel spring of this type on the rear suspension of its 3 series cars illustrates the final assembly.