Retaining rings, steel strip VS wire: a study by Beneri SpA

Beneri SpA, established in Italy in 1958, is today one of the world's leading experts in the production of retaining rings and serrated lock washers.

In the industry for more than 60 years, the company has been committed to the innovation and the development of new solutions to improve production processes and guarantee excellence to the customer. In this regard, Ruben Limonta, Application Engineer & Steel Analyst at Beneri SpA, has drawn up a technical study on the differences between steel strip blanking versus steel wire blanking to manufacture security rings. After multiple tests conducted in Beneri's dedicated laboratories, the Italian company has come to the conclusion that wire-blanked retaining rings are not only more efficient but also more cost-friendly. Eng. Limonta analyzes in detail how strip blanking presents greater plastic deformation compared with wire blanking, in which one side is cold drawn (and therefore not subject to chamfering). Moreover, it is necessary to orient a strip-blanked safety ring so that its sharp-cornered side remains in contact with the loading area to reduce the chamfer effect as much as possible. Vice versa, wire-blanked safety rings do not raise this issue, as the upper and lower sides have equal radii.

To learn more, please read the technical article by Engineer Ruben Limonta on the official Beneri SpA blog >>