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Tempered Wire Fatigue Testing
Technical Paper
2019-01-0532
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A new bench for the rotating bending fatigue tests of tempered steel wires is presented. The new bench is used to check the spring wire just before it is finally winded to realize a spring. The bench is basically a four-point bending machine. There are two main differences with respect to current bending machines. The first one is that the focus is on semi-finished components (more than 1 meter long), rather than standard small-scale specimens. The second one is that there is a non-linear configuration of the tested component due to its length.
The bench design has provided some unreferenced features that make the bench quite accurate and effective in producing quick fatigue assessments. A rotor-dynamic study has allowed to perform tests at 50 Hz. As a preliminary application, some fatigue bending tests of tempered steel wires are described and discussed.
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Citation
Ballo, F., Carboni, M., Mastinu, G., and Previati, G., "Tempered Wire Fatigue Testing," SAE Technical Paper 2019-01-0532, 2019, https://doi.org/10.4271/2019-01-0532.Data Sets - Support Documents
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